MATHS PLUS Written by : Written by : Prakash Joshi (M.Sc. Maths) Prakash Joshi (M.Sc. Maths) Aakansha Tiwari (M.Sc. Maths) Aakansha Tiwari (M.Sc. Maths) Books enry Help Kit 1 to 5
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MATHSPLUS
Written by :Written by :Prakash Joshi
(M.Sc. Maths)
Prakash Joshi(M.Sc. Maths)
Aakansha Tiwari(M.Sc. Maths)
Aakansha Tiwari(M.Sc. Maths)
Booksenry
Help Kit 1 to 5
Fill in the blanks with on, under, above, near, and below :
Ans. The fan is above the bed.The book is on the table.A ball is on the chair.Another ball is near the chair. The pillow is on the bed. The calendar is on the wall.
Top and Bottom
Put a circle (O) around the one which is at the top and tick (3) the one which is at the bottom:
Fill in the blanks :
Ans. The block with the letter A is on the top.The block with the letter D is at the bottom.The star is on the top of the tree.The pot is at the bottom of the tree.
Near and Far
Put a tick (3) on the child which is near the chair :
Put a circle (O) around the doll which is far from the girl :
Mathematics-1 32
Mathematics-1
Space and Shapes 1
33
Draw two balls. The ball which is near the girl, colour it red, and the other ball which is far from the girl, colour it blue :
Rolling and Sliding
Match the objects to the correct word :
Ans.
Put a tick (3) for the correct word :
Ans.
Curved Lines and Straight Lines
Draw a shape with a curved line : Draw two shapes with straight lines :
Colour the circles in red, triangles in blue and squares in green. Use your crayons :
Do it yourself
Now count and write the number of circles, triangles and squares in the given above :
Do it yourself
Mathematics-1 32
RedRed BlueBlue
Rolls
Slides
Chalk
Duster
Water bottle
School bag
Plate
Coin
Solids Rolls Slides
3
3
3
3
3
3
2 5 8 43
Rectangle
Circle (O) the things which are in the shape of a rectangle :
Ans.
Trace the dotted lines and colour them with different colours :
Ans. Do it yourself
Oval
Trace the oval shape :
Name any two things which have an oval shape
EggEyes
Trace and colour the oval-shaped fishes with crayons of different colours :
Ans. Do it yourself
Solids
Colour each figure to match the figures above :
Ans. Do it yourself
Mathematics-1 32
Count and write how many of these are there in the park :
Ans.9
2
6
5
8
3
7
1
Counting
Count and tick (3) the correct number :
Ans.
3 5 7 63
6 3 1 23
Numbers and Number-Names (up to 10)2
Count , Read and Match
Count the objects and match them to the correct numbers and number-names :
Ans.
Mathematics-1 32
4 6 7 33
7 9 8 53
7 8 9 103
2 6 9 83
5 2 4 33
10
8
9
1
5
3
7
4
2
6
Two
Four
Three
Ten
Six
Seven
Eight
One
Five
Nine
Fill in the empty boxes with the numbers and number-names :
Ans.
Towards The Lab
Do it Yourself
Mathematics-1 32
5 7
EightSix
9
Ten
6 8 10
NineSevenFive
Numbers : 1 to 503
Write 1 to 50 :
Ans.
Write the missing numbers :
Ans.
Write the number-names :
Ans.
1
50
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
3 4 5
12 13 19
7 9 11
18 19 24
37 38
1 2 3
4 5 6
7 8 9
10 11 12
13 14 15
16 17 18
19 20
One
Four
Seven
Ten
Thirteen
Sixteen
Two
Five
Eight
Eleven
Fourteen
Seventeen
Three
Six
Nine
Twelve
Fifteen
Eighteen
Nineteen Twenty
Join the dots in order. Then colour the picture :
Ans.
Mathematics-1 32
20
21
22
23
24
25
26
27
28
29
3031
32
33
34
35
36
37
38
39
40
4142
43
44
45
14
5
6
7
4
32
1011
13 12 98
1
Write the number-names :
Ans. 21 23 28
30 32 35
36 37 39
40 41 43
44 46 47
48 49 50
19 20
Twenty One
Thirty
Thirty Six
Forty
Forty Four
Forty Eight
Twenty Three
Thirty Two
Thirty Seven
Forty One
Forty Six
Forty Nine
Twenty Eight
Thirty Five
Thirty Nine
Forty Three
Forty Seven
Fifty
Nineteen Twenty
Start
Comparing Numbers
Put the correct sign (<, >, = ) :
Ans. 61 < 68 30 > 29 31 > 13
34 < 60 44 > 34 100 = 100
40 = 40 59 < 81 74 < 83
72 > 27 40 < 64 68 < 90
40 > 30 80 > 33 52 = 52
63 > 36 38 < 83 10 < 55
47 < 74 55 < 64 80 > 34
What does this mean?
Ans. 3 > 1 Three is greater than one.2 < 5 Two is less than five.
9 > 8 Nine is greater than eight.7 = 7 Seven is equal to seven. 6 > 3 Six is greater than three.
Mathematics-1 32
Addition4
Count and write the numbers and their sum :
Number Line
Add on the number line :
=+
3 1 4
=+
3 2 5
=+
3 4 7
0 1 2 3 4 5 6 7 8 91 + 5 = 6
0 1 2 3 4 5 6 7 8 96 + 2 = 8
0 1 2 3 4 5 6 7 8 95 + 2 = 7
0 1 2 3 4 5 6 7 8 95 + 3 = 8
0 1 2 3 4 5 6 7 8 91 + 7 = 8
Addition by Drawing Small Strokes
Add :
Ans.
Counting Forward
Add by counting forward :
Mathematics-1 32
0 1 2 3 4 5 6 7 8 93 + 3 = 6
0 1 2 3 4 5 6 7 8 93 + 5 = 8
+
5
1
6
+
7
2
9
+
3
3
6
+
4
1
5
+
1
2
3
+
5
2
7
+
6
2
8
+
7
1
8
+
3
4
7
+
3
2
5
+
7
2
9
+
4
4
8
+
4
5
9
+
1
1
2
+
5
3
8
+
4
3
7
1 + 1 =
5 + 1 =
9 + 1 =
1 + 2 =
5 + 2 =
3 + 3 =
7 + 3 =
5 + 5 =
8 + 4 =
9 + 7 =
2 + 1 =
6 + 1 =
10 + 1 =
2 + 2 =
6 + 2 =
4 + 3 =
8 + 3 =
9 + 4 =
6 + 5 =
7 + 6 =
3 + 1 =
7 + 1 =
11 + 1 =
3 + 2 =
7 + 2 =
5 + 3 =
9 + 3 =
8 + 3 =
4 + 3 =
5 + 3 =
4 + 1 =
8 + 1 =
12 + 1 =
11 + 5 =
7 + 9 =
4 + 3 =
8 + 5 =
5 + 5 =
9 + 4 =
7 + 2 =
2
6
10
3
7
6
10
10
12
16
3
7
11
4
8
7
11
13
11
13
4
8
12
5
9
8
12
11
7
8
5
9
13
16
16
7
8
10
13
9
Order in Addition
Add these :
Ans.
Adding Across and Down
Adding across and down :
Writing an addition statement :
Missing Numbers
Look at the pictures to fill in the missing numbers :
Mathematics-1 32
6 + 3 =
3 + 6 =
9
9
5 + 1 =
1 + 5 =
6
6
4 + 2 =
2 + 4 =
6
6
3 + 4 =
4 + 3 =
7
7
+
2
1
3
+
1
2
3
+
7
1
8
+
1
7
8
+
3
1
4
+
1
3
4
+
5
2
8
+
2
6
8
1 + 1 = 2+ =
+ =
+ =
+ =
+ =
+
2 2
3
5 4
2
9
+
4
5 +
3 1
2
5 4
3
9
+
4
5 +
2 3
2
4 4
1
8
+
5
3
2 + 1 = 3
3 + 1 = 4
2 + 2 = 4
3 + 2 = 5
5
+ 3
8
4
+ 3
7
3
+ 4
7
5
+ 4
9
Addition of Three Numbers
Add these numbers :
Ans.
Mathematics-1 32
6
+ 2
8
7
+ 2
9
3
+ 3
6
2
+ 3
5
5
+ 4
9
4
+ 4
8
1
2
+ 2
5
Add these numbers :
Ans.
5 + 3 + 1 9 1 + 7 + 1 9 3 + 4 + 1 8
7 + 1 + 1 9 4 + 5 + 1 10 6 + 2 + 0 8
4 + 5 + 0 9 5 + 2 + 0 7 2 + 5 + 2 9
6 + 2 + 1 9 6 + 2 + 2 10 4 + 5 + 0 9
4
2
+ 3
9
3
3
+ 3
9
2
3
+ 4
9
1
3
+ 2
6
2
2
+ 3
7
Story Sums on Addition :
Ans. 4
+ 2
6
3
+ 2
5
1
+ 2
3
4
+ 3
7
Towards The Lab
Now, try it out :
7 ÷ 7 = 14 7 ÷ 4 = 11
5 ÷ 7 = 12 6 ÷ 6 = 12
Subtraction
Mathematics-1 32
Subtraction5
=–
=–
=–
=–
235
033
246
325
Number Line
Subtract on number line :
Ans.
6 – 3 = 3 0 1 2 3 4 5 6 7 8 9
4 – 1 = 3 0 1 2 3 4 5 6 7 8 9
9 – 5 = 4 0 1 2 3 4 5 6 7 8 9
8 – 3 = 5 0 1 2 3 4 5 6 7 8 9
3 – 1 = 2 0 1 2 3 4 5 6 7 8 9
4 – 3 = 1 0 1 2 3 4 5 6 7 8 9
Subtraction By Drawing Small Strokes
Subtract the following by drawing small strokes :
Ans.
Mathematics-1 32
8 – 4 = 4 0 1 2 3 4 5 6 7 8 9
9 – 4 = 5 0 1 2 3 4 5 6 7 8 9
–
3
1
2
–
4
2
2
–
2
1
1
–
7
4
3
–
7
2
5
–
5
4
1
–
3
2
1
–
6
2
4
–
8
4
4
–
5
3
2
–
9
5
4
–
8
2
6
–
4
1
3
–
5
1
4
–
7
3
4
–
8
1
7
Counting Backward
Subtract by counting backward :
Ans. 2 – 1 =
5 – 1 =
9 – 1 =
11 – 2 =
5 – 2 =
3 – 3 =
7 – 3 =
5 – 5 =
8 – 4 =
9 – 7 =
2 – 1 =
6 – 1 =
10 – 1 =
2 – 2 =
6 – 2 =
4 – 3 =
8 – 3 =
9 – 4 =
6 – 5 =
7 – 6 =
3 – 1 =
7 – 1 =
11 – 1 =
3 – 2 =
7 – 2 =
5 – 3 =
9 – 3 =
8 – 3 =
4 – 3 =
5 – 3 =
4 – 1 =
8 – 1 =
12 – 1 =
11 – 5 =
17 – 9 =
4 – 3 =
8 – 5 =
5 – 5 =
9 – 4 =
7 – 2 =
1
4
8
9
7
0
4
0
4
5
1
5
9
0
4
1
5
5
1
1
2
6
10
1
5
2
6
5
1
2
3
7
11
6
8
1
3
0
5
5
Adding ZeroFill in :
Ans.
Mathematics-1 32
Subtracting Both WaysSubtract :
Ans. 4
– 2
2
5
– 2
3
7
– 5
2
8
– 1
7
9
– 3
6
7
– 6
1
8
– 4
4
2
– 1
1
7
– 3
4
5
– 4
1
3
– 1
2
4
– 1
3
8
– 7
1
8
– 5
3
6
– 2
4
1 + 0 =
0 + 2 =
3 + 0 =
1
2
3
4 + 0 =
0 + 4 =
5 + 0 =
4
4
5
6 + 0 =
7 + 0 =
0 + 8 =
6
7
8
9 + 0 =
8 + 0 =
2 + 0 =
9
8
2
Subtracting ZeroFill in :
Ans. 1 – 0 =
2 – 0 =
3 – 0 =
7 – 0 =
4 – 0 =
5 – 0 =
0 – 0 =
8 – 0 =
6 – 0 =
7 – 0 =
8 – 0 =
9 – 0 =
9 – 0 =
5 – 0 =
1 – 0 =
3 – 0 =
1
2
3
7
4
5
0
8
6
7
8
9
9
5
1
3
Fill in '+' or '–' :
Ans. 8 – 4 = 4
8 – 6 = 2
5 + 2 = 7
7 – 1 = 5
4 + 4 = 8
9 – 3 = 6
2 + 2 = 4
5 – 2 = 3
0 + 9 = 9
3 + 4 = 7
5 + 3 = 8
2 + 7 = 9
9 – 7 = 2
2 + 5 = 7
4 + 5 = 9
9 – 5 = 4
Subtracting a Number from Itself
Fill in :
Ans. 1 – 1 =
2 – 2 =
3 – 3 =
4 – 4 =
5 – 5 =
6 – 6 =
7 – 7 =
8 – 8 =
9 – 9 =
10 – 10 =
11 – 11 =
12 – 12 =
13 – 13 =
14 – 14 =
15 – 15 =
16 – 16 =
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Fill in for counting forward : Fill in for counting backward:
Ans. Ans.
Mathematics-1 32
10 11
+1
12 13 14 15
+1 +1 +1 +1 1918
–1
17161514
–1–1–1–1
Fill in for the numbers before and after :
Ans.
5 6 7 14 15 1610 11 12 8 9 10
–1–1–1–1
+1+1+1+1
Making Both Sides the Same
Count and write the numbers and their sum :
Ans. 7 = 2 +
5 = 7 –
6 = 1 +
2 = 6 +
7 = 2 +
6 = 9 –
8 = 4 +
8 = 9 –
5 = 5 +
7 = 2 +
9 = 3 +
3 = 6 –
4 = 2 +
1 = 7 +
7 = 2 +
6
3
2
5
5
2
5
5
Story Sums
Karan's team has 7 players. Avik's team has 3 players.
Ans. Avik needs 4 players to make both teams equal.
Juhi has 8 flowers in her hand. Megha has 6 flowers.
Ans. Megha needs 2 flowers to have the same number of flowers.
Anu has 9 chocolates and Princy has 7 chocolates.
Ans. Princy needs 2 chocolates to have the same as Anu.
Towards The Lab
Fill in :
Ans. 6 + 3 = 9 2 + 5 = 76 + 2 = 8 8 – 2 = 6 8 – 6 = 2 6 + 2 = 85 + 4 = 9 9 – 5 = 4 9 – 4 = 5 5 + 4 = 97 + 5 = 12 12 – 5 = 7 12 – 7 = 5 7 + 5 = 12
Ordinal Numbers6
Look at the picture and tell who is at what place :
Ans. Kangaroo is 4th in race. Tiger is 10th in race.Horse is 8th in race. Donkey is 5th in race.Dog is 2nd in race. Elephant is Ist in race.
Fill in the boxes and find the fruits :
Ans.
Mathematics-1 32
Fill in the boxes and find the animals :
Ans.
VIth
IInd
Ist
Vth
IIIrd
IVth
VIIth
VIIIth
The
The
The
The
The
The
The
The
letter is
letter is
letter is
letter is
letter is
letter is
letter is
letter is
A
L
E
H
E
P
N
T
I
Vth
Ist
IIIrd
VIrd
IInd
VIIth
VIIIth
VthThe
The
The
The
The
The
The
The
letter is
letter is
letter is
letter is
letter is
letter is
letter is
letter is
G
A
K
N
R
A
O
O
E L E P H A N T K A N G A R O O
Ist
6th
4th
2nd
3rd
5th
The
The
The
The
The
The
letter is
letter is
letter is
letter is
letter is
letter is
O
E
N
R
A
G
O R A N G E
5th
6th
4th
2nd
Isr
3rd
The
The
The
The
The
The
letter is
letter is
letter is
letter is
letter is
letter is
E
S
P
R
G
A
G R A P E S
Counting from the right :
Ans. Do it yourself
Numbers : 51 to 1007
Write 51 to 100 :
Ans.
Write in words :
Ans.
51
100
52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
56 67 78
89 90 92
69 54 63
Fifty Six
Eighty Nine
Sixty Nine
Sixty Seven
Ninety
Fifty Four
Seventy Eight
Ninety Two
Sixty Three
Colour the correct number :
Ans. Do it yourself
Write the numerals :
Ans.
Mathematics-1 32
76 75 88
100 86 96
Seventy Six
Hundred
Seventy Five
Eighty Six
Eighty Eight
Ninety Six
558473 Fifty-fiveEighty-fourSeventy-three
886759 Eighty-eightSixty-sevenFifty-nine
627695 Sixty-twoSeventy-sixNinety-five
Write the number-names :
Ans. 52 64 87Fifty Two Sixty Four Eighty Seven
67 74 57Sixty Seven Seventy Four Fifty Seven
72 99 88Seventy Two Ninety Nine Eighty Eight
63 Sixty Three
Fill in the boxes :
Ans. 60 61 62 63 64 65 66 67 68 69
70 72 7671 73 74 75 77 78 79
85 87 8886 89 90 91 92 93 94
53 5554 56 57 58 59 60 61 62
Count backwards and fill in :
Ans. 60 59 58 57 56 55 54 53 52 51
68 67 66 65 64 63 62 61 60 59
80 79 78 77 76 75 74 73 72 71
95 94 93 92 91 90 89 88 87 86
Mathematics-1 32
Write a number on the line that is just less than the number shown :
Write a number on the line that is just more than the number shown :
Short and Long Form
70
60
33
81
18
78
27
90
41
80
24
84
61
71
61
34
82
19
79
28
91
42
81
25
85
62
92
11
44
25
34
63
88
69
7
91
40
19
20
93
12
45
26
35
64
89
70
78
92
41
20
21
48
22
92
61
75
93
45
10
86
60
71
34
74
49
23
93
62
76
94
46
11
87
61
72
35
75
97
33
78
21
64
10
48
82
22
22
12
48
36
98
34
79
22
65
11
49
83
23
23
13
49
37
18
27
80
39
96
34
69
9
77
77
86
21
83
19
28
81
40
97
35
70
10
78
78
87
22
84
42
61
14
66
24
85
92
60
35
35
45
14
24
43
62
15
67
25
86
93
61
36
36
46
15
25
50 + 3 =
60 + 4 =
50 + 8 =
70 + 3 =
70 + 9 =
60 + 6 =
80 + 7 =
90 + 1 =
90 + 9 =
80 + 5 =
70 + 7 =
Write in the short form : Write in the long form :
94 =
75 =
82 =
56 =
95 =
67 =
88 =
93 =
59 =
62 =
71 =
90 + 4
70 + 5
80 + 2
50 + 6
90 + 5
60 + 7
80 + 8
90 + 3
50 + 9
60 + 2
70 + 1
94
75
82
56
95
67
88
93
59
62
71
Fill in the boxes :
Ans.
Mathematics-1 32
60 + 9 = 69 50 + 5 = 55 90 + 9 = 9980 + 7 = 87
90 + 3 = 9370 + 6 = 7650 + 4 = 54 70 + 6 = 76
70 + 2 = 7280 + 5 = 85 50 + 1 = 5190 + 6 = 96
50 + 7 = 5730 + 4 = 3440 + 9 = 4960 + 9 = 69
Properties of 2-Digit Numbers8Fill in the blanks :
Ans. In 72, the digit 7 is in the tens place.In 43, the digit 4 is in the tens place.In 46, the digit 6 is in the ones place.In 17, the digit 7 is in the ones place.
Form the 2-digit numbers in each of the following :
Ans. 22 73 34 11Form two different 2-digit numbers with :Ans.
Place Value of a Digit
Write the place and place value of the coloured digit in each numeral :
Ans. Numeral Place Place Value
3 5 tens 38 6 tens 89 1 ones 15 6 tens 59 6 ones 64 3 ones 37 5 ones 56 4 tens 6
Expanded Form/Short Form
Write the following numbers in expanded form :
Ans.
6 and 3
9 and 1
7 and 4
8 and 9
65 = 6 tens + 5 ones
= 60 + 5
78 = 7 tens + 8 ones
= 70 + 8
82 = 8 tens + 2 ones
= 80 + 2
36
19
47
98
63
91
74
89
4 and 6
4 and 8
5 and 7
8 and 5
64
84
75
58
46
48
57
85
Short Form
Fill in the boxes to change the expanded form in short form :
Ans.
Mathematics-1 32
2 tens + 7 ones =
9 tens + 5 ones =
8 tens + 3 ones = + + ==
+ =
+ =
8080
90
20
33
5
7
8383
95
27
Circle the greater number :
Ans.13
50
29
22
24
24
40
44
32
14
48
55
16
29
52
16
13
18
45
21
15
11
37
36
45
24
35
14
89
14
33
41
Circle the smaller number :
Ans. 39
28
31
55
42
18
14
11
51
49
27
43
36
46
14
20
44
29
32
15
29
11
18
43
10
28
18
56
34
20
77
24
38
14
31
55
43
12
45
24
Writing Numbers from Smallest to Biggest
Arrange the following numbers in increasing order :
Ans.55, 52, , 54
61, 58, 64, 43
55, 42, 57, 49
89, 86, 68, 77
46, 50, 95, 56
65, 55, 32, 98
51 51
43
42
68
46
32
52
58
49
77
50
55
54
61
55
86
56
65
55
64
57
89
95
98
Writing Numbers from Biggest to Smallest
Arrange the following numbers in decreasing order :
Ans.68, 73, 96, 87
98, 93, 47, 56
72, 65, 59, 73
99, 93, 92, 94
92, 56, 70, 81
45, 63, 74, 78
96
98
73
99
92
78
87
93
72
94
81
74
73
56
65
93
70
63
68
47
59
92
56
45
Addition of Tens and Ones
Fill in the boxes :
Mathematics-1 32
Towards The Lab
Do it yourself.
Addition of 2-Digit Numbers9
9 0
+ 4
9 4
9 tens + 4 ones = +
=
tens ones90 4
94
6 0
+ 8
6 8
6 tens + 8 ones = +
=
tens ones60 8
68
7 0
+ 3
7 3
7 tens + 3 ones = +
=
tens ones70 3
73
2 0
+ 8
2 8
2 tens + 8 ones = +
=
tens ones20 8
28
Add and write the answers :
Mathematics-1 32
3 0
+ 4
3 4
6 0
+ 9
6 9
8 0
+ 6
8 6
9 0
+ 3
9 3
6 0
+ 7
6 7
9 0
+ 8
9 8
8 0
+ 7
8 7
4 0
+ 4
4 4
6 0
+ 5
6 5
1 0
+ 9
1 9
4 0
+ 9
4 9
5 0
+ 6
5 6
6 0
+ 9
6 8
7 0
+ 2
7 2
8 0
+ 1
8 1
9 0
+ 3
9 3
Try these!
7 4
+ 2
7 6
3 8
+ 1
3 9
4 3
+ 4
4 7
5 5
+ 3
5 8
6 4
+ 2
6 6
9 1
+ 7
9 8
Tens and Ones
Add 'Tens to Tens' and 'Ones to Ones' :
3 1
3 2
6 3
+
1 7
2 2
3 9
+
1 0
1 0
2 0
+
2 2
6 4
8 6
+
1 7
4 1
5 8
+
2 5
1 4
3 9
+
1 7
1 2
2 9
+
1 2
1 5
2 7
+
1 3
1 6
2 9
+
1 0
1 2
2 2
+
1 1
1 2
2 3
+
1 1
1 4
2 5
+
3 1
1 2
4 3
+
1 3
1 6
2 9
+
2 7
1 1
3 8
+
1 9
1 0
2 9
+
1 4
1 2
2 6
+
1 5
1 2
2 7
+
1 0
1 7
2 7
+
1 2
1 7
2 9
+
Add the following :
T
1
O
5 +
T
3
O
1 =
OT
64
T
2
O
4 +
T
5
O
3 =
OT
77
T
2
O
0 +
T
2
O
9 =
OT
94
T
5
O
1 +
T
2
O
3 =
OT
47
T
1
O
4 +
T
3
O
3 =
OT
74
T
2
O
4 +
T
2
O
3 =
OT
74
Addition of 2-Digit Numbers
Fill in the boxes :
Add 56 and 38 Add 24 and 39
Mathematics-1 32
Sum
\ 56 + 38 = 94
+
+
+
+
ones
ones
ones
ones
6
8
14
4
5
3
8
9
tens
tens
tens
tens
=
=
=
=
56
38
Sum
\ 24 + 39 = 63
+
+
+
+
ones
ones
ones
ones
4
9
13
3
2
3
5
6
tens
tens
tens
tens
=
=
=
=
24
39
Vertical Addition
Add the following :
7 9
1 9
9 8
+
T O1
5 4
2 7
8 1
+
T O1
2 9
5 3
8 2
+
T O1
5 3
3 8
9 1
+
T O1
5 8
2 7
8 5
+
T O1
3 6
4 9
8 5
+
T O1
6 6
2 6
9 2
+
T O1
2 7
6 8
9 5
+
T O1
1 9
2 6
4 5
+
T O1
7 5
1 7
9 2
+
T O1
3 7
5 4
9 1
+
T O1
5 6
2 5
8 1
+
T O1
Add :
2 6
+ 9
3 5
T O1
1 3
+ 7
2 0
T O1
2 2
+ 9
3 1
T O1
3 6
+ 6
4 2
T O1
8
4 4
5 2
+
T O1
7
2 7
3 4
+
T O1
1 5
1 5
3 0
+
T O1
1 3
1 9
3 2
+
T O1
1 8
2 8
4 6
+
T O1
3 7
4 6
8 3
+
T O1
2 5
2 5
5 0
+
T O1
6 2
1 9
8 1
+
T O1
Add :
3 1
+ 9
4 0
T O1
7 3
+ 8
8 1
T O1
8 6
+ 4
9 0
T O1
5
4 7
5 2
+
T O1
1 8
2 9
4 7
+
T O1
3 5
3 5
7 0
+
T O1
5 6
2 7
8 3
+
T O1
7 3
1 9
9 2
+
T O1
Towards The Lab
Now, try these out :
Mathematics-1 32
Add :
1 9
1 2
3 1
+
T O1
4 9
1 3
6 2
+
T O1
5 9
1 4
7 3
+
T O1
1 8
2 2
4 0
+
T O1
6 3
2 7
9 0
+
T O1
1 5
3 7
5 2
+
T O1
7 8
1 2
9 0
+
T O1
2 5
2 8
5 3
+
T O1
3 8
4 1
7 9
+
T O1
3 6
2 7
6 3
+
T O1
2 6
1 9
4 5
+
T O1
6 4
1 9
8 3
+
T O1
Add :
3 5
+ 9
4 4
T O1
7 4
+ 8
8 2
T O1
8 5
+ 4
8 9
T O
4
4 7
5 1
+
T O1
1 7
2 9
4 6
+
T O1
3 3
3 5
6 8
+
T O1
5 4
2 7
8 1
+
T O1
7 2
1 9
9 1
+
T O1
Story Sums
3 8
5 4
9 2
+
T O1
5 3
2 8
8 1
+
T O1
3 4
4 7
8 1
+
T O1
5 4
3 8
9 2
+
T O1
6 4
2 6
9 0
+
T O1
6 6
1 9
8 5
+
T O1
25 + 32 = 57 32 + 34 = 97
Mathematics-1 32
Subtraction of 2-Digit Numbers10
Fromtakenaway is
3
6
8
tens – 1
5
5
ten = 2
1
3
tens
Fromtakenaway
is
tens – tens = ten
Fromtakenaway is
tens – tens = tens
Fill in the boxes :
3 0
1 0
2 0
–
6 0
5 0
1 0
–
8 0
5 0
3 0
–
Subtract and write the answer in the boxes :
4 0
1 0
3 0
–5 0
2 0
3 0
–6 0
3 0
3 0
–8 0
4 0
4 0
–3 0
1 0
2 0
–2 0
1 0
1 0
–
4 0
2 0
2 0
–9 0
6 0
3 0
–5 0
3 0
2 0
–9 0
1 0
8 0
–8 0
7 0
1 0
–2 0
2 0
0 0
–
8 0
3 0
5 0
–3 0
2 0
1 0
–8 0
6 0
2 0
–6 0
3 0
3 0
–
Try these!
5 5
– 3
5 2
1 8
– 3
1 5
6 3
– 2
6 1
4 5
1 3
3 2
–4 4
2 2
2 2
–9 1
7 0
2 1
–
Tens and Ones
Subtract :
+
+
+
ones
ones
ones
8
4
4
3
2
1
tens
tens
tens
=
=
=
38
– 24
14
Mathematics-1 32
+
+
+
ones
ones
ones
9
7
2
4
2
2
tens
tens
tens
=
=
=
49
– 27
22
+
+
+
ones
ones
ones
7
4
3
8
6
2
tens
tens
tens
=
=
=
87
– 64
23
+
+
+
ones
ones
ones
8
4
4
7
4
3
tens
tens
tens
=
=
=
78
– 44
34
Vertical Subtraction
Subtract the following :
6 6
3 4
3 2
–
T O
3 8
1 2
2 6
–
T O
5 7
1 3
4 4
–
T O
5 8
1 3
4 5
–
T O
5 5
4 0
1 5
–
T O
8 7
4 3
4 4
–
T O
5 5
3 3
2 2
–
T O
3 5
1 1
2 4
–
T O
Story Sums
4 7
2 0
2 7
–
T O
9 8
8 4
1 4
–
T O
5 6
3 2
2 4
–
T O
7 8
5 7
2 1
–
T O
8 6
3 3
5 3
–
T O
6 8
1 8
5 0
–
T O
Subtraction with Borrowing
Subtract the following :
3 7
2 8
0 9
–
T O2 17
7 3
3 6
3 7
–
T O6 13
9 2
4 5
4 7
–
T O8 12
8 2
5 3
2 9
–
T O7 12
7 1
4 3
2 8
–
T O6 11
7 5
4 6
2 9
–
T O6 15
3 4
1 8
1 6
–
T O2 14
4 3
3 5
0 8
–
T O2 13
8 3
4 4
3 9
–
T O7 13
8 7
3 4
5 3
–
T O
Count by 2's on the number train :
Ans.
Mathematics-1 32
4 1
2 8
1 3
–
T O3 11
6 4
2 7
3 7
–
T O5 14
8 1
4 5
3 6
–
T O7 11
7 3
5 5
1 8
–
T O6 13
5 3
3 4
1 9
–
T O4 13
Subtract :
2 6
– 9
1 7
T O1 16
1 3
– 7
0 6
T O0 13
2 2
– 9
1 3
T O1 12
3 6
– 6
3 0
T O
9 8
4 4
5 4
–
T O
3 7
2 7
1 0
–
T O
4 5
1 7
2 8
–
T O5 14
3 3
1 9
1 4
–
T O7 11
4 8
2 8
2 0
–
T O
7 5
1 7
5 8
–
T O4 13
2 6
1 9
0 7
–
T O1 16
4 8
3 6
1 2
–
T O
8 5
3 8
4 7
–
T O7 15
9 7
4 6
5 1
–
T O
2 5
2 5
0 0
–
T O
Subtract :
4 8
2 9
1 9
–
T O3 18
3 1
– 9
2 2
T O2 11
7 3
– 8
6 5
T O6 13
8 6
– 4
8 2
T O
3 5
3 5
0 0
–
T O
5 6
2 7
2 9
–
T O4 16
7 3
1 9
5 4
–
T O6 13
5 5
4 7
0 8
–
T O4 15
Skip Counting11
4 6 8 10 12 14 16
4 6 8 10 12 142
Skip count by 3's and fill in the bricks :
Ans.
Mathematics-1 32
Connect the dots. Count by 5's to 100 :
Ans.
3
27
51
63
6
30
54
66
9
33
57
69
12
36
60
72
15
39
63
75
18
42
66
78
5
1015
2025
30
35
40
45
50
55
60
65
7075
80
85
95
100
90
Multiplication12
Fill in :
Ans.
Number of flowers2 + 2 = 4.
2 twos are 4.2 × 2 = 4 .
Number of caps3 + 3 + 3 = 9 . 3 three are 9.
3 × 3 = 9 .
Number of carrots2 + 2 + 2 = 6. 2 twos are 6.
2 × 3 = 6.
Number of leaves 8 + 8 + = 16.8 twos are 16.
8 × 2 = 16.
Number of flowers5 + 5 = 10.
2 fives are 10.2 × 5 = 10.
Write as multiplication :
Ans. 3 + 3 + 3 + 3 = 3 × 4 = 125 + 5 = 5 × 2 = 108 + 8 + 8 = 8 × 3 = 242 + 2 + 2 + 2 = 2 × 4 = 84 + 4 = 4 × 2 = 83 + 3 + 3 + 3 + 3 = 3 × 5 = 156 + 6 + 6 + 6 + 6 + 6 = 6 × 6 = 367 + 7 = 7 × 2 = 149 + 9 + 9 + 9 + 9 + 9 + 9 + 9 = 9 × 8 = 725 + 5 + 5 + 5 + 5 + 5 + 5 = 5 × 7 = 3510 + 10 + 10 + 10 + 10 + 10 = 10 × 6 = 608 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 8 × 9 = 72
Write as addition :
Ans. 4 × 7 = 4 + 4 + 4 + 4 + 4 + 4 + 4 = 282 × 5 = 2 + 2 + 2 + 2 + 2 = 105 × 2 = 5 + 5 = 105 × 9 = 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 456 × 8 = 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 = 486 × 8 = 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 = 483 × 0 = 0 = 07 × 1 = 7 + 0 = 78 × 2 = 8 + 8 = 16
Fill in :
Ans.
Mathematics-1 32
1 × 9 = 9
2 × 8 = 16
3 × 7 = 21
4 × 8 = 32
3 × 9 = 27
5 × 4 = 20
5 × 5 = 25
1 × 7 = 7
9 × 4 = 36
4 × 7 = 28
5 × 9 = 45
3 × 3 = 9
4 × 7 = 28
3 × 6 = 18
2 × 6 = 12
5 × 7 = 35
9 × 5 = 45
4 × 9 = 36
3 × 4 = 12
2 × 8 = 16
4 × 4 = 16
3 × 8 = 24
4 × 6 = 24
5 × 8 = 40
10 × 4 = 40
How many?
Ans.
Mathematics-1 32
4 fans.Each has 3 blades.
4 × 3 = 12 blades in all.
3 boxes.Each has 6 colours.
3 × 6 = 18 colours in all.
2 flowers.Each has 5 petals.
2 × 5 = 10 petals in all.
4 cats.Each has 4 legs.
4 × 4 = 16 legs in all.
3 plates.Each has 5 biscuits.
3 × 5 = 15 biscuits in all.
3 octopus.Each has 8 legs.
3 × 8 = 24 legs in all.
5 rabbits.Each has 2 ears.
3 × 2 = 6 ears in all.
3 bikes.Each has 2 wheels.
3 × 2 = 6 wheels in all.
4 pots.Each has 8 flowers.
4 × 8 = 32 flowers in all.
How many?
Ans.
Fill in :
Ans. 5 × 6 = 30
3 × 10 = 30
10 × 4 = 40
4 × 10 = 40
4 × 3 = 12
3 × 4 = 12
3 × 10 = 30
10 × 3 = 30
Multiply :
Ans. 6
2
1 2×
4
2
8×
8
1
8×
9
3
2 7×
2
4
8×
9
5
4 5×
7
2
1 4×
3
5
1 5×
7
4
2 8×
6
3
1 8×
3
4
1 2×
5
5
2 5×
6
4
2 4×
5
9
4 5×
8
4
3 2×
4
4
1 6×
8
3
2 4×
7
5
3 5×
5
2
1 0×
3
8
2 4×
Multiplication by 0 and 1
Fill in the circles :
Ans.
Mathematics-1 32
8
5
4 0×
2
5
1 0×
6
5
3 0×
8
2
1 6×
7
3
2 1×
12 × 1 = 12 16 × 1 = 16 3 × 0 = 0
4 × 1 = 4 9 × 1 = 9 3 × 1 = 3
17 × 1 = 17 14 × 1 = 14 10 × 1 = 10
12 × 1 = 12 12 × 1 = 12 12 × 1 = 12
0 × 14 = 14 × = 5 00 1 × 7 = 7 × = 0 1 5 71
4 × 0 = 0 × 5 = 1 0 04 0 × 12 = 12 × 5 = 00
0 × 10 = 0 × 5 = 2 010 1 × 6 = 6 × 1 = 0 0 61
Story Sums
Ans. 2
8
1 6×
wheels
wheels
wheels
5
4
2 0×
pencils
pencils
pencils
3
4
1 2×
wheels
wheels
wheels
8
5
4 0×
balloons
balloons
balloons
4
7
2 8×
legs
legs
legs
2
4
8×
feet
feet
feet
Division13
Fill in the place holders :
Ans.
How many pens are there in all? 20
These pens are divided into how
many groups? 5
20 ÷ 5 = or
How many pens are there in each group? 4
5 204
How many flowers are there in all? 12
How many vases are made up of these flowers? 6
12 ÷ 6 = 2 or
Each vase contains 2 flowers.
There are 18 balls in all?
These balls are divided into how many groups? 6
18 ÷ 6 = 3 or
Each tray contains 3 balls.
There are 16 mangoes.
Encircle these mangoes into 4 equal groups.
\ 16 ÷ 4 = 4 or
Each group has 4 mangoes.
Mathematics-1 32
6 183
6 122
4 164
Comparison14
Measurement
Look at the object shown below :
Ring (O) the one that is shorter
Ans.
Ring(O)the one that is longer :
Ans.
Ring(O)the one that is the longest :
Ans.
Ring(O)the one that is the shortest :
Ans.
Look at the object shown below :
Ring (O) the shortest object
Ans.
Tick (3) the right choice :
The candle is (taller, shorter) than the Stop sign.
Taller Shorter
The flower and vase are (taller, shorter) than the candle.
Taller Shorter
Tick (3) the right choice.
The whale is (light / heavy)
The balloon is (light / heavy)
Messuring Length
Do the following :
Ans. Do it yourself
Ring (O) the full basket : Ring (O) the empty vase :
Mathematics-1 32
3
3
3
3
Answer the following questions :
Ans. 1. Manya 2. B3. A + B Sum = 14 cm
8 cm + 6 cm4. 38 – 23 = 15 cm 5. Do yourself
Measuring Weight
Fill in the blanks :
4 mangoes weigh as 4 books weigh asmuch as 8 oranges. much as 5 apples.
10 pens weigh as 2 mobiles weigh asmuch as 1 notebook. much as 10 CD’s.
10 biscuits weigh asmuch as 1 chocolate.
Measuring Capacity
Name some liquids which are measured in litre :
Ans. Water Petrol MilkDiesel Kerosene Cold drink
Mathematics-1 32
Money15
Match
Ans. 75 p ` 7
50 p ` 20
25 p ` 25
` 1 ` 250
Write the values :Ans.
Fill in the blanks :
Ans. Five rupees is written as ` 5Ten rupees is written as ` 10Sixty paise is written as 60 p
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
SP
EC
I ME
N
50 p 25 p ` 25 ` 250
Join the money to the object you can buy :
Ans.
Mathematics-1 32
+
+
+
+
+ +
` 10
` 6
` 1
` 2
` 55 rupees + 5 rupees = 10 rupees
50 paise + 50 paise = 1 rupees
2 rupees + 2 rupees = 5 rupees + 1 rupees
1 rupees + 1 rupees = 2 rupees
5 rupees + 1 rupees = 6 rupees
Fill in the boxes :
Ans.` 10 = ` 5 + ` 5 ` 100 = ` 50 + ̀ 50
` 3 = ` 2 + ` 1 ` 70 = ` 50 + ̀ 20
` 20 = ` 10 + ` 10 ` 500 = ` 100 + ̀ 400
` 8 = ` 5 + ` 3 ` 2 = ` 1 + ̀ 1
` 15 = ` 5 + ` 10 ` 400 = ` 300 + ̀ 100
` 5 = ` 1 + ` 4 ` 700 = ` 300 + ̀ 400
Answer the following questions :
Ans. 1. 100 2. 5 3. 104. 10 5. 10
Tick (3) the correct word :
Ans. 1. I go to school in the morning/evening.
2. I eat my breakfast in the evening/morning.
3. We eat our lunch in the day/night.
4. We eat our dinner in the day/night.
5. I play in the morning/evening.
6. We can see the stars in the day/night.
7. I sleep in the day/night.
8. The moon is seen in the night/day.
Read aloud and write the time shown in the given clocks :
Ans.
Write the correct time under each clock :
Ans.
The teacher will speak out the different times. First the students will write the time in each box, then they will draw the hands of the clock to the corresponding written time :
Ans. Do yourself.
Fill in the blanks :
Ans. January is the first month of the year.September is the ninth month of the year.
Mathematics-1 32
Time16
3
3
3
3
3
3
3
3
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
6 o'clock 6:00 8 o'clock 8:00 9 o'clock 9:00
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
12 1
567
8
9
10
11
2
3
4
4:00 9:00 10:00 6:00
1:00 12:00 8:00 3:00
Saturday is the last day of the week.Wednesday is the fourth day of the week.There are 7 days in a year.There are 12 months in a year.
Mathematics-1 32
Data Handling17
Colour the circles yellow, triangles red, rectangles blue and squares green :
Ans. Do yourself.
Count the shapes in the picture given above and write their numbers in boxes below :
Ans. Do yourself.
Count and write :
Ans. How many children have red pens? 10
How many children have blue pens? 10
How many children have pencils? 5
See, count and write the number of animals :
Ans.
Count the number of letters in each name-word :
Ans. Names No. of LettersV I B H A 5M U K U L 5B A S A N T 6M E G H A 5K O M A L 5S H O U R Y A 7P A N K A J 6R A V I 4M O N I 4A S H I S H 6How many names have 4 letters? 2How many names have 5 letters? 4How many names have 6 letters? 3How many names have 7 letters? 1How many times A comes in all the names taken together? 10How many times O comes in all the names taken together? 3
9 5 8
7 5 4
Extend the sequence :
Ans.
Mathematics-1 32
Patterns18
What comes next in the sequence?
Ans.
Patterns in Shape
Fill in the boxes in sequence :
Ans.
Complete the number pattern :
Ans.
42 6
8 12
1410
A. Tick (3) the correct option :
Ans. 1. a. 2. b 3. c 4. a
B. Put a tick (3) for the correct word :
Ans. Solids Rolls Slides
a. Chalk 3
b. Duster 3
c. Ball 3
C. Write the number-names :
Ans. a. 28 Twenty Eight b. 37 Thirty Seven
D. Add these numbers :
Ans. a. b. c. d.
E. Counting from the right :
Ans. Do yourself.
F. Counting from the right :
Ans. a. In 86, the digit 6 is in the ones place.b. In 17, the digit 1 is in the tens place.
Mathematics-1 32
2728
29
25
30
35
3031
3233
40
45
50
55
1
4
7
10
13
16
19
22
Model Test Paper-1
4239
+
1348
+
2338
+
1416
+
Model Test Paper-2
A. Tick (3) the correct option :
Ans. 1. b 2. b 3. a 4. a 5. b 6. a
B. Fill in the blanks :
Ans. 1. 5 × 3 = 152. 7 × 4 = 283. January is the first month of the year.4. Wednesday is the fourth day of the week.5. There are 12 months in a year.
C. Skip count by 5's and fill in the blanks :
Ans. a. 5 10 15 20 25 30
b. 30 35 40 45 50 55
D. What comes next in the sequence?
Ans.
Mathematics-1 32
Write 1 to 100 :
Ans.
Mathematics-2 32
Mathematics-2
Number and Numeration1
1
11
21
31
41
51
61
71
81
91
2
12
22
32
42
52
62
72
82
92
3
13
23
33
43
53
63
73
83
93
4
14
24
34
44
54
64
74
84
94
5
15
25
35
45
55
65
75
85
95
6
16
26
36
46
56
66
76
86
96
7
17
27
37
47
57
67
77
87
97
8
18
28
38
48
58
68
78
88
98
9
19
29
39
49
59
69
79
89
99
10
20
30
40
50
60
70
80
90
100
Write the number names :
Ans. 25 Twenty-five 7 Seven 19 Nineteen
4 Four 14 Fourteen 12 Twelve
36 Thirty-six 28 Twenty-eight 15 Fifteen
43 Forty-three 17 Seventeen 50 Fifty
Carry on the pattern :
Ans.
15 17 19 21 23 25 27
28
44
20
15
30
43
30
20
32
42
40
25
34
41
50
30
36
40
60
35
38
39
70
40
40
38
80
45
Write in words :
Ans.
Mathematics-2 32
Fill in the blanks :
a. The number before 23 is 22. b. The number after 39 is 40.Ans.c. The number before 70 is 69. d. The number after 42 is 43.e. The number before 61 is 60. f. 34 is between 33 and 35.g. 97 is between 96 and 98. h. 69 is between 68 and 70.i. 20 is between 19 and 21.
Bigger and Smaller
Exercise
1 Circle the bigger number :
a. 17 28 b. 19 91 c. 9 21
d. 56 65 e. 41 14 f. 86 82
g. 68 86 h. 52 25 i. 96 69
2 Circle the smaller number :
a. 72 79 b. 81 63 c. 51 55
d. 81 5 e. 36 29 f. 8 32
g. 87 89 h. 22 41 i. 4 14
3. Circle the biggest number and put a tick (3) on the smallest number :
a. 7 14 23 b. 17 26 43
c. 90 29 98 d. 58 85 8
60 Sixty 70 Seventy 80 Eighty
53 Fifty-three 66 Sixty-six 73 Seventy-three
78 Seventy-eight 69 Sixty-nine 34 Thirty-four
90 Ninety 92 Ninety-two 100 Hundred
Write what comes before and after :
Ans. 8
33
29
44
9
34
30
45
10
35
31
46
69
21
58
49
70
22
59
50
71
23
60
51
13
42
66
88
14
43
67
89
15
44
68
90
18
55
77
94
19
56
78
95
20
57
79
96
Write the number between them :
Ans. 10
32
56
67
12
34
58
69
11
33
57
68
14
29
62
84
16
31
64
86
15
30
63
85
19
38
64
93
21
40
66
95
20
39
65
94
25
51
70
97
27
53
72
99
26
52
71
98
3 3
3 3
Mathematics-2 32
e. 57 52 59 f. 31 37 42
g. 42 24 25 h. 65 22 14
i. 13 28 89
Greater Than and Less Than
Exercise
Put > or < sign in the box :
Ans. a. 58 < 72 b. 68 > 40 c. 1 < 63
d. 45 > 33 e. 7 < 41 f. 9 < 24
g. 92 > 29 h. 18 < 51 i. 90 > 35
j. 24 < 36
Ascending and Descending Order
Exercise
1. Arrange in ascending order :
Ans. a. 93, 88, 75, 85 b. 73, 64, 48, 57 c. 93, 79, 24, 58
2. Arrange in descending order :
Ans. a. 43, 53, 73, 33 b. 32, 18, 81, 23 c. 28, 82, 31, 64
d. 25, 45, 56, 48 e. 30, 58, 85, 27 f. 58, 62, 31, 44
3 3
3 3
3
9388
8575
7364
5748
9379
5824
7353
4333
8132
2318
8264
3128
5648
4525
8558
3027
6258
4431
Mathematics-2 32
Forming Numbers
Exercise
Make the bigger and smaller numbers using the two digits :
Ans. a. 64 > 46 b. 92 > 29 c. 71 > 17 d. 74 > 47
Place ValueExercise
Fill in the blanks :
Ans. a. The digit in the tens place of 19 is 1. Its place value is 10.b. The digit in the ones place of 19 is 9. Its place value is 9.c. The digit in the ones place of 27 is 7. Its place value is 7.d. The digit in the tens place of 27 is 2. Its place value is 20.e. The place value of 6 in 63 is 60. The place value of 3 in 63 is 3.f. The place value of 8 in 98 is 8. The place value of 9 in 98 is 90.g. In 35, the place value of 3 is 30, and the place value of 5 is 5.h. In 72, the place value of 2 is 2, and the place value of 7 is 70.
Odd and Even Numbers
Exercise
1. Write the odd numbers between :
Ans. a. 17, 19, 21 b. 25, 27, 29 c. 87, 89, 91 d. 53, 55, 57
2. Write the even numbers between :
Ans. a. 42, 44, 46 b. 36, 38, 40 c. 64, 66, 68 d. 78, 80, 82
Addition
Exercise
Add
Ans. 2
3
5
+
1
8
9
+
1
9
1 0
+
2
5
7
+
2
0
2
+
2
8
1 0
+
2
9
1 1
+
3
3
6
+
3
4
7
+
3
6
9
+
3
7
1 0
+
3
9
1 2
+
4
4
8
+
4
6
1 0
+
4
7
1 1
+
4
8
1 2
+
4
9
1 3
+
5
8
1 3
+
5
7
1 2
+
5
9
1 4
+
5
5
1 0
+
6
5
1 1
+
6
8
1 4
+
6
9
1 5
+
7
5
1 2
+
7
7
1 4
+
7
8
1 5
+
7
9
1 6
+
8
8
1 6
+
8
9
1 7
+
9
5
1 4
+
9
9
1 8
+
1 0
5
1 5
+
1 2
7
1 9
+
1 3
6
1 9
+
1 4
5
1 9
+
Mathematics-2 32
Addition of Tens
Exercise
Fill in the blanks :
Ans. 1 ten + 1 ten = 2 tens = 20 2 tens + 2 tens = 4 tens = 404 tens + 1 ten = 5 tens = 50 3 tens + 2 tens = 5 tens = 50
10 + 10 = 20 10 + 30 = 40 20 + 10 = 30 20 + 20 = 40
30 + 30 = 60 30 + 20 = 50 40 + 20 = 60 40 + 40 = 80
50 + 20 = 70 60 + 30 = 90 50 + 50 = 100 70 + 30 = 100
40 + 30 = 70 20 + 40 = 60 40 + 50 = 90 20 + 70 = 90
Addition of 2-Digit Numbers
Exercise
1. Add :
Ans.2 2
7
2 9
+
T O4 0
6
4 6
+
T O5
8 2
8 7
+
T O3
6 6
6 9
+
T O9 0
4
9 4
+
T O
1 5
1 3
2 8
+3 4
2 5
5 9
+4 3
5 4
9 7
+5 1
3 8
8 9
+2 4
4 2
6 6
+
6 0
3 2
9 2
+7 8
2 0
9 8
+8 7
1 1
9 8
+5 0
4 0
9 0
+3 6
6 3
9 9
+
2. Add the following :
Ans. 12 + 25 = 37 23 + 22 = 45 30 + 15 = 45 43 + 14 = 57
33 + 44 = 77 53 + 40 = 93 64 + 25 = 89 72 + 17 = 89
62 + 24 = 86 81 + 18 = 99 75 + 22 = 97 51 + 36 = 87
Word Problems
2. 3. 4.
48 crayons 53 birds 89 toffees5. 6. 7.
49 balloons 59 marbles 89 monkeys
2 4
4 2
6 6
+
2 4
4 2
6 6
+
2 4
4 2
6 6
+
2 4
4 2
6 6
+
2 4
4 2
6 6
+
2 4
4 2
6 6
+
Mathematics-2 32
Subtraction
Exercise
Subtract :
Ans. 8
2
6
–
9
8
1
–
7
5
2
–
8
3
5
–
6
0
6
–
5
2
3
–
4
3
1
–
3
3
0
–
8
5
3
–
1 8
2
1 6
–
1 7
4
1 3
–
1 6
5
1 1
–
1 8
7
1 1
–
1 7
5
1 2
–
1 8
6
1 2
–
1 9
7
1 2
–
1 5
4
1 1
–
1 7
1
1 6
–
1 7
6
1 1
–
1 1
1
1 0
–
1 9
6
1 3
–
1 8
3
1 5
–
1 8
5
1 3
–
1 9
9
1 0
–
1 7
7
1 0
–
1 8
1
1 7
–
1 6
3
1 3
–
1 5
4
1 1
–
1 9
6
1 3
–
1 9
8
1 1
–
1 6
2
1 4
–
1 8
4
1 4
–
1 9
3
1 6
–
1 8
8
1 0
–
1 9
5
1 4
–
1 2
2
1 0
–
Subtraction of TensExerciseFill in the blanks :
Ans. 3 ten – 1 ten = 2 tens = 20 2 tens – 2 tens = 0 tens = 05 tens – 3 ten = 2 tens = 20 6 tens – 4 tens = 2 tens = 20
20 – 10 = 10 30 – 10 = 20 50 – 30 = 20 60 – 40 = 20
80 – 10 = 70 50 – 20 = 30 40 – 20 = 20 70 – 50 = 20
90 – 70 = 20 60 – 30 = 30 80 – 30 = 50 70 – 20 = 50
80 – 50 = 30 40 – 10 = 30 60 – 60 = 0 80 – 20 = 60
Subtraction of 2-Digit Numbers
Exercise
1. Subtract :
Ans.1 7
4
1 3
–
T O2 8
6
2 2
–
T O1 5
1 3
0 2
–
T O3 8
2 8
1 0
–
T O5 0
4 0
1 0
–
T O
5 5
5
5 0
–6 5
4 3
2 2
–7 9
1 8
6 1
–7 5
5 0
2 5
–8 8
8 3
0 5
–
6 0
3 0
3 0
–4 8
2 4
2 4
–6 4
3 2
3 2
–8 6
7 4
1 2
–9 9
8 7
1 2
–
Word Problems
2. 3. 4.
20 boats 32 pages 4 children
5. 6. 7.
35 stickers 35 glasses 31 years
2. Subtract the following :
Ans. 29 – 6 = 23 67 – 5 = 62 49 – 15 = 34 62 – 12 = 50
24 – 12 = 12 42 – 12 = 30 68 – 34 = 34 67 – 55 = 12
75 – 25 = 50 90 – 50 = 40 74 – 60 = 14 89 – 41 = 48
3 0
1 0
2 0
–
5 7
2 2
3 5
–
6 4
3 2
3 2
–
7 8
4 3
3 5
–
3 9
3 5
0 4
–
5 9
2 8
3 1
–
Mathematics-2 32
Numbers Up To 10002
101 to 200
Exercise
Write 1 to 100 :
Ans. 101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
Mathematics-2 32
201 to 500
Exercise
1. Write 201 to 300 :
Ans. 201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
2. Write 301 to 400 :
Ans. 301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
3. Write 401 to 500 :
Ans. 401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
Mathematics-2 32
4. Fill in the blanks :
Ans. 207 208 209 210 211 212 213 214 215
321 322 323 324 325 326 327 328 329
149 150 151 152 153 154 155 156 157
475 476 477 478 479 480 481 482 483
501 to 700
Exercise
1. Write 601 to 700 :
Ans. 609
619
629
639
649
659
669
679
689
699
610
620
630
640
650
660
670
680
690
700
608
618
628
638
648
658
668
678
688
698
607
617
627
637
647
657
667
677
687
697
606
616
626
636
646
656
666
676
686
696
605
615
625
635
645
655
665
675
685
695
604
614
624
634
644
654
664
674
684
694
603
613
623
633
643
653
663
673
683
693
602
612
622
632
642
652
662
672
682
692
601
611
621
631
641
651
661
671
681
691
2. Write the number names :
Ans. 621 Six hundred twenty-one 559 Five hundred fifty-nine
643 Six hundred forty-three 509 Five hundred nine
600 Six hundred 662 Six hundred sixty-two
701 to 1000
Exercise
1. Write the numeral for the number names :
Ans.
2. Fill in the blanks :
Ans.
Seven hundred and thirty-one 731
Eight hundred and twenty-eight 828
Nine hundred and eighty-six 986
934
854
935
853
936
852
937
851
938
850
939
849
940
848
941
847
942
846
Place Value
Exercise
1. Write the place value of 5 in each of the following numerals :
Ans. Numeral Place value of 5 In words359 500 five hundred523 50 fifty885 5 five765 5 five
2. Write the face value of each underlined digit :
Ans. 187 8 275 5 648 6459 9 733 7 957 7
3. Write the place value of each underlined digit :
Ans. 135 5 252 200 562 60
424 400 380 80 723 700
872 70 638 8 147 40
561 500 915 5 890 90
283 200 854 4 516 10
798 700 151 100 769 9
Comparison of 3-Digit Numbers
Exercise
1. Write the greater number in each pair of numbers :
Ans. Pair of numbers Greater Pair of numbers Greater
2. Write the smaller number in each pair of numbers :
Ans. Pair of numbers Greater Pair of numbers Greater
3. Fill in the blanks with symbol > or < :
Ans. 238 > 236 395 > 391423 < 427 312 > 310476 > 472 536 > 535
Mathematics-2 32
356
163
712
143
351
168
716
158
356
168
716
158
596
642
829
536
590
647
823
562
596
647
829
562
233
182
628
156
238
181
629
165
233
181
628
156
565
753
969
641
566
750
965
632
565
750
965
632
Mathematics-2 32
4. Encircle the smallest number in each of the following :
Ans. 658 385 358 749 794 779
903 631 412 219 229 239
495 945 549 594 954 459
5. Rearrange the following numerals in the ascending order :
Ans.
Multiple Choice Questions
Tick (3) the correct answer :
Ans. 1. d 2. c 3. c 4. a 5. b
152
109
212
212
302
302
402
402
168
112
220
218
313
313
482
422
173
124
232
220
374
333
462
431
112
152
218
232
365
347
491
442
124
165
268
246
333
352
451
451
180
168
271
250
347
365
442
462
165
173
246
268
352
374
422
482
109
180
250
271
390
390
431
491
Addition3
Challenge !
Find the addend :
Ans. a. 8 + 6 = 14 b. 5 + 3 = 8 c. 5 + 6 = 11d. 1 + 9 = 10 e. 6 + 4 = 10
Properties of Addition
Exercise
1. Fill in the boxes :
5 + 3 = 3 + 5
7 + 13 = 13 + 7
8 + 4 = 4 + 8
76 + 4 = 4 + 76
35 + 5 = 5 + 35
17 + 5 = 5 + 17
11 + 4 = 4 + 11
8 + 0 = 0 + 8
7 + 0 = 7 + 0
11 + 7 = 7 + 11
15 + 1 = 1 + 15
17 + 1 = 17 + 1
26 + 1 = 1 + 26
45 + 2 = 46 + 1
Mathematics-2 32
2. Fill in the circles :
+ 4) + 12 = 2 + (4 + 12)( 2
(3 + 5) + 2 = + (5 + 2)3
(6 + 3) + 4 = 6 + (3 + )4
(11 + 4) + 6 = + + 6)( 11 4
+ (8 + 5) = (3 + 8) + 53
4 + (15 + 19) = (4 + + 19) 15
27 + + = (27 + 14) + 25( ) 14 25
ExerciseAdd the following :
Ans. 4
3
1
8+
6
2
1
9+
1 1
2 2
3 3
6 6+
1 2
1 4
2 2
4 8+
3
3
2
8+
3
2
4
9+
2 2
4 1
1 1
7 4+
4 4
1 2
1 3
6 9+
4 0
2 6
1 3
7 9+
3 3
1 2
2 4
6 9+
Addition of 3-Digit Numbers
Exercise
Add the following :
Ans.
288 + 111 = 399So,
ones
ones
ones
8
1
9
8
1
9
tens
tens
tens
+
2
1
3
hundreds
hundreds
hundreds=
288
111+
a.
174 + 425 = 599So,
ones
ones
ones
4
5
9
8
1
9
tens
tens
tens
+
1
4
5
hundreds
hundreds
hundreds=
174
425+
b.
326 + 341 = 667So,
ones
ones
ones
6
1
7
2
4
6
tens
tens
tens
+
3
3
6
hundreds
hundreds
hundreds=
326
341+
c.
Mathematics-2 32
Addition : By Short Method
Exercise
Add :
Ans.
1 4 2
2 1 5
3 5 7+
T OH2 3 2
4 1 2
6 4 4+
T OH1 2 4
3 2 3
4 4 7+
T OH3 1 1
1 2 2
4 3 3+
T OH
4 3 6
1 6 3
5 9 9+
T OH1 2 3
1 2 2
2 4 5+
T OH3 1 6
3 3 2
6 4 8+
T OH2 0 3
1 1 2
3 1 5+
T OH
3 2 2
2 3 4
5 5 6+
T OH2 3 2
3 0 3
5 3 5+
T OH1 2 4
2 3 1
3 5 5+
T OH1 4 1
1 2 6
2 6 7+
T OH
Addition of Three 3-Digit Numbers
Exercise
Add :
Ans.
1 2 2
2 3 4
1 3 3
4 8 9
+
+
T OH2 0 0
3 4 1
1 0 7
6 4 8
+
+
T OH4 0 1
2 0 5
1 8 1
7 8 7
+
+
T OH2 4 1
5 0 3
1 1 4
8 5 8
+
+
T OH
2 0 2
4 3 2
3 0 5
9 3 9
+
+
T OH2 1 5
2 1 0
4 3 4
8 5 9
+
+
T OH5 5 2
1 1 5
2 1 1
8 7 8
+
+
T OH1 1 1
3 0 5
3 4 2
7 5 8
+
+
T OH
Word Problems
Ans. 2. 3. 4.
5. 6. 7.
3 9 2
3 0 4
6 9 6
+boysgirlspupils
4 4 2
4 5 6
8 9 8
+sackssackssacks
1 4 2
1 3 2
2 3 3
5 0 7+
flowerflowerflowerflower
1
1 4 2
3 3 6
4 7 8
+bulbsbulbsbulbs
3 6 8
2 1 1
3 0 0
8 7 9+
clothesclothesclothesclothes
4 2 3
4 0 6
1 1 0
9 3 9+
menwomenchildrenpopulation
Mathematics-2 32
Regrouping of Numbers (Ones To Tens)
Exercise
1. Regroup the following :
Ans. a. 3 tens 16 ones is the same as ¾® 4 tens 6 ones.
4 tens 15 ones is the same as ¾® 5 tens 5 ones.
2 tens 13 ones is the same as ¾® 3 tens 3 ones.
2. Fill in the blanks :
a. 14 ones = 1 ten + 4 ones
b. 15 ones = 1 ten + 5 ones
c. 18 ones = 1 ten + 8 ones
d. 25 ones = 2 tens + 5 ones
e. 36 ones = 3 tens + 6 ones
f. 2 tens + 14 ones = 3 tens + 4 ones
g. 8 tens + 16 ones = 9 tens + 6 ones
h. 3 tens + 15 ones = 4 tens + 5 ones
i. 8 tens + 12 ones = 9 tens + 2 ones
j. 1 ten + 13 ones = 2 ten + 3 ones
k 2 tens + 18 ones = 3 tens + 8 ones
l. 3 tens + 14 ones = 4 tens + 4 ones
m. 6 tens + 12 ones = 7 tens + 2 ones
n. 7 tens + 16 ones = 8 tens + 6 ones
Addition with Regrouping
Exercise
Add and regroup :
Ans.
2 3
4 8
7 1
+
T O1
1
5 5
3 9
9 4
+
T O1
1
6 4
2 8
9 2
+
T O1
1
2 1
3 9
6 0
+
T O1
1
4 8
2 4
7 2
+
T O1
1
2 8
6 9
9 7
+
T O1
1
5 2
3 9
9 1
+
T O1
1
4 5
3 6
8 1
+
T O1
1
Mathematics-2 32
Addition of Three 2-Digit Numbers
Add and regroup :
Ans.
1 3
1 5
2 6
5 4
++
T O1
1
2 2
1 8
4 3
8 3
++
T O1
1
5 4
2 2
1 6
9 2
++
T O1
1
6 3
1 5
1 4
9 2
++
T O1
1
5 6
1 2
1 8
8 6
++
T O1
1
2 3
1 7
1 2
5 2
++
T O1
1
1 5
3 5
2 4
7 4
++
T O1
1
1 5
1 8
2 7
6 0
++
T O2
2
2 9
1 1
1 3
5 3
++
T O1
1
3 8
1 4
2 2
7 4
++
T O1
1
4 9
3 2
1 1
9 2
++
T O1
1
1 9
1 6
2 3
5 8
++
T O1
1
Subtraction4
Subtract :
Ans. 6 – 2 = 4 17 – 5 = 12 7 – 5 = 2
15 – 4 = 11 19 – 2 = 17 18 – 6 = 12
18 – 7 = 11 17 – 2 = 15 15 – 5 = 10
Subtract with the help of number line :
Ans.
9 – 5 = 4
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
14 – 3 = 11
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Mathematics-2 32
Properties of Subtraction
Fill in the circles :
Ans.
15 – 5 = 10
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
15 – 4 = 11
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
7 – 0 = 7 1 – 0 = 1 4 – 4 = 0
5 – 0 = 5 19 – 0 = 19 17 – 0 = 17
8 – 0 = 8 11 – 0 = 11
4 – 0 = 4 12 – 0 = 12 5 – 5 = 0
8 – 8 = 0 16 – 16 = 0 3 – 0 = 3
2 – 0 = 2
Subtraction of 2-Digit Numbers
Arrange and subtract :
Ans.9 8
4 2
5 6
–
T O
3 6
1 2
2 4
–
T O
5 8
3 6
2 2
–
T O
5 4
4 3
1 1
–
T O
2 8
1 6
1 2
–
T O
8 6
3 2
5 4
–
T O
5 0
2 0
3 0
–
T O
8 5
4 5
4 0
–
T O
6 0
3 0
3 0
–
T O
4 9
4 2
0 7
–
T O
6 6
3 3
3 3
–
T O
4 3
4 0
0 3
–
T O
2 7
1 6
1 1
–
T O
6 6
2 4
4 2
–
T O
9 9
8 3
1 6
–
T O
Subtraction of 3-Digit Numbers
Arrange and subtract :
Ans.5 2 4
4 2 3
1 0 1
–
T OH
3 6 8
2 4 3
1 2 5
–
T OH
8 9 3
6 2 1
2 7 2
–
T OH
5 8 3
1 2 3
4 6 0
–
T OH
7 6 9
5 4 2
2 2 7
–
T OH
Mathematics-2 32
2 9 6
2 2 3
0 7 3
–
T OH
3 6 3
1 4 2
2 2 1
–
T OH
4 6 3
4 4 2
0 2 1
–
T OH
3 6 6
1 6 2
2 0 4
–
T OH
4 7 6
3 2 4
1 5 2
–
T OH
4 6 4
3 1 3
1 5 1
–
T OH
4 8 4
3 4 4
1 4 0
–
T OH
2 6 6
1 2 2
1 4 4
–
T OH
4 0 4
3 0 2
1 0 2
–
T OH
2 8 4
1 0 4
1 8 0
–
T OH
Subtraction in Expanded Form
Fill in the blanks :
Ans. 467 ® 4 hundreds + 6 tens + 7 ones ® 4 + 6 + 7
– 252 ® 2 hundreds + 5 tens + 2 ones ® 2 + 5 + 2
2 hundreds + 1 tens + 5 ones ® 2 + 1 + 5= 215 = 215
548 ® 5 hundreds + 4 tens + 8 ones ® 5 + 4 + 8
– 317 ® 3 hundreds + 1 tens + 7 ones ® 3 + 1 + 7
2 hundreds + 3 tens + 1 ones ® 2 + 3 + 1= 231 = 221
792 ® 7 hundreds + 9 tens + 2 ones ® 7 + 9 + 2
– 242 ® 2 hundreds + 4 tens + 2 ones ® 2 + 4 + 2
5 hundreds + 5 tens + 0 ones ® 5 + 5 + 0= 850 = 550
Subtraction with Regrouping
Convert one ten into ones. Write the remaining tens and ones in the blanks :
Ans.
4 tens 3 ones tens3 ones13
Subtraction of 2-Digit Numbers
Subtract :
Ans.
3 2
1 6
1 6
–
T O2 12
9 6
1 8
7 8
–
T O8 16
8 7
1 9
6 8
–
T O7 17
4 6
1 8
2 8
–
T O3 16
5 6
2 9
2 7
–
T O4 16
Word Problems
Ans.
Mathematics-2 32
4 8
2 9
1 9
–
T O3 18
7 6
3 8
3 8
–
T O6 16
4 4
2 7
1 7
–
T O3 14
6 2
2 8
3 4
–
T O5 12
6 2
4 5
1 7
–
T O5 12
8 6
6 9
1 7
–
7 16
4 0
2 8
1 2
–
3 10
9 0
2 3
6 7
–
8 10
9 6
6 9
2 7
–
8 16
7 0
5 2
1 8
–
6 10
5 5
3 7
1 8
–
4 15
4 8 2
2 9 8
1 8 4
–
17 123
Word Problems
Ans.
–
4
6
7
9
5
3
1
16
+
1
9
7
6
1
3
5
–
5
4
7
7
6
4
1
14
+
1
7
7
4
1
4
6
–
7
6
9
7
8
3
4
16
+
1
7
9
6
4
3
8
–
5
3
4
9
6
3
2
13
+
1
9
4
3
2
3
6
Towards The Lab
Do yourself
Multiplication5
Exercise
Fill in the blanks :
Ans. Groups of 4 strawberries.There are 3 groups of 4 strawberries.3 × 4 = 4 + 4 + 4 = 12
Groups of 5 cherries.There are 4 groups of 5 cherries.4 × 5 = 5 + 5 + 5 + 5 = 20
Groups of 4 mangoes.There are 4 groups of 4 mangoes.4 × 4 = 4 + 4 + 4 + 4 = 16
Groups of 6 grapes.There are 2 groups of 6 grapes.6 × 2 = 6 + 6 = 12
Mathematics-2 32
Groups of 3 pears.There are 3 groups of 3 pears.3 × 3 = 3 + 3 + 3 = 9
Groups of 5 eggs.There are 3 groups of 5 eggs.3 × 5 = 5 + 5 + 5 = 15
Terms of Multiplication
Exercise
Write what term is the coloured digit?
Ans. 7 × 4 = 28 Multiplicand 2 × 4 = 8 Multiplier3 × 3 = 9 Multiplicand 7 × 3 = 21 Multiplier5 × 8 = 40 Product 7 × 5 = 35 Product8 × 6 = 48 Multiplicand
Properties of Multiplication
Exercise
Fill in the boxes :
Ans.
sets of2 is4 8
2 × 4 = 8Or
sets of4 is2 8
4 × 2 = 8Or
sets of2 is4 8
2 × 4 = 8Or
sets of4 is3 12
4 × 3 = 12Or
sets of4 is4 16
4 × 4 = 16Or
Multiplication of Numbers
Exercise
Multiply :
Ans.
5
6
3 0×
T O7
4
2 8×
T O9
5
4 5×
T O4
3
1 2×
T O2
5
1 0×
T O8
3
2 4×
T O
Mathematics-2 32
Multiplication (3-Digit Numbers by Single-Digit Numbers)
Exercise
Multiply :
Ans.
3
4
1 2×
T O2
7
1 4×
T O5
4
2 0×
T O9
9
8 1×
T O3
2
6×
T O2
6
1 6×
T O
7
6
4 2×
T O6
5
3 0×
T O2
4
8×
T O8
5
4 0×
T O4
6
2 4×
T O6
2
1 2×
T O
5 2
3
15 6×
T O2 4
2
4 8×
T O4 2
4
16 8×
T O4 4
2
8 8×
T O3 2
4
12 8×
T O1 2
3
3 6×
T O
1 5
1
1 5×
T O6 3
1
6 3×
T O2 3
2
4 6×
T O1 3
3
3 9×
T O3 2
3
9 6×
T O2 1
9
18 9×
T O
3 2 1
2
6 4 2×
T OH1 0 3
2
2 0 6×
T OH4 1 1
1
4 1 1×
T OH2 3 2
3
6 9 6×
T OH1 1 2
4
4 4 8×
T OH
2 2 3
3
6 6 9×
T OH3 2 3
2
6 4 6×
T OH4 0 4
2
8 0 8×
T OH1 0 1
9
9 0 9×
T OH3 3 3
3
9 9 9×
T OH
2 0 4
2
4 0 8×
T OH1 1 1
6
6 6 6×
T OH3 2 1
3
9 6 3×
T OH1 0 0
8
8 0 0×
T OH4 4 3
2
8 8 6×
T OH
Word Problems (Without Carrying)
2. 4 × 7 = 28 3. 5 × 3 = 154. 9 × 5 = 45 5. 6 × 6 = 366. 8 × 5 = 40 7. 3 × 6 = 18
Towards The Lab
Do yourself
Mathematics-2 32
Regrouping (Tens to Hundreds)Exercise
Regroup these :
Ans. 18 tens = 1 hundred 8 tens 15 tens = 1 hundred 5 tens
12 tens = 1 hundred 2 tens 17 tens = 1 hundred 7 tens
14 tens = 1 hundred 4 tens 19 tens = 1 hundred 9 tens
11 tens = 1 hundred 1 tens 16 tens = 1 hundred 6 tens
Addition of 3-Digit NumbersExercise
1. Add 278 and 554 and fill in the boxes :
278 = 2 hundreds 7 tens 8 ones
+ 554 = 5 hundreds 5 tens 4 ones
= 7 hundreds 12 tens 12 ones
= 8 hundreds 3 tens 2 ones
\ 278 + 554 = 832
2. Add 673 and 279 and fill in the boxes :
673 = 6 hundreds 7 tens 3 ones
+ 279 = 2 hundreds 7 tens 9 ones
= 8 hundreds 14 tens 12 ones
= 9 hundreds 5 tens 2 ones
\ 673 + 279 = 952
3. Add 439 and 184 and fill in the boxes :
439 = 4 hundreds 3 tens 9 ones
+ 184 = 1 hundreds 8 tens 4 ones
= 5 hundreds 11 tens 13 ones
= 6 hundreds 2 tens 3 ones
\ 439 + 184 = 623
Addition of 3-Digit NumbersExercise
Add together and fill in the circles :
Ans.
Addition and Subtraction of Bigger Numbers6
2 4 7
5 8 4
8 3 1
+
T O1
1
H1
1
3 3 7
2 9 8
6 3 5
+
T O1
1
H1
1
6 5 4
2 8 9
9 4 3
+
T O1
1
H1
1
4 3 2
1 7 9
6 1 1
+
T O1
1
H1
1
Mathematics-2 32
Word Problems
1. 2. 3.
There are 381 persons There are 301 plants 629 people saw thein all. in all. circus that day.4. 5. 6.
The man travel The book contains He got 764 marks in410 km. 282 pages. both the tests.7.
There are 823 sarees in all in the showroom.
Subtracting Bigger Numbers
Exercise
Fill in the blanks :
Ans. 4 tens 6 ones = 3 tens 16 ones3 tens 0 ones = 2 tens 10 ones
4 hundreds 4 tens = 3 hundreds 14 tens6 hundreds 2 tens 3 ones = 5 hundreds 12 tens 3 ones
Subtraction (With Decomposing)
Exercise
Subtract and fill in the boxes :
Ans. 416 – 245
= 4 hundreds 1 tens 6 ones – 2 hundreds 4 tens 5 ones
= 3 hundreds 11 tens 6 ones – 2 hundreds 4 tens 5 ones
= 1 hundreds 7 tens 1 ones
= 171
1 9 4
6 3 8
8 3 2
+
T O1
1
H1
1
6 2 7
2 9 4
9 2 1
+
T O1
1
H1
1
5 3 7
4 8 9
10 2 6
+
T O1
1
H1
1
7 4 6
1 8 5
9 3 1
+
T O1
1
H1
1
1 6 21 1 81 0 13 8 1
+
1
1 2 51 1 2
6 43 0 1
+
11
persons plants
2 5 73 7 26 2 9
+
1
people
3 7 53 8 97 6 4
+marks
1 5 31 2 92 8 2
+
1
pages
2 1 81 9 24 1 0
+
1
km
1
4 7 83 4 58 2 3
+
1
sarees
1
Mathematics-2 32
Subtraction Problems
1. 2. 3. 4.
5. 6. 7.
526 – 347
= 5 hundreds 2 tens 6 ones – 3 hundreds 4 tens 7 ones
= 5 hundreds 1 ten 16 ones – 3 hundreds 4 tens 7 ones
= 4 hundreds 11 tens 16 ones – 3 hundreds 4 tens 7 ones
= 1 hundreds 7 tens 9 ones
= 179
Subtraction (Borrowing from Hundreds to Tens)
Exercise
Find the difference :
Ans.
9 4 5
3 8 9
5 5 6
–
T OH8 13 15
9 3 4
5 6 7
3 6 7
–
T OH8 12 14
7 5 1
4 3 9
3 1 2
–
T OH6 4 11
5 8 3
2 4 6
3 3 7
–
T OH13 15
5 6 2
2 8 7
2 7 5
–
T OH4 15 12
6 0 5
4 1 9
1 8 6
–
T OH5 9 15
9 3 4
2 6 6
6 6 8
–
T OH8 12 14
6 4 0
3 7 6
2 6 4
–
T OH5 13 10
6 4 55 9 8
4 7
–
15135
`
5 9 34 8 01 1 3
–stamps
7 0 02 1 54 8 5
–
1096
fishes
6 5 04 7 51 7 5
–
10145
kites
2 0 51 8 6
1 9
–
1591
phones
8 2 45 3 82 8 6
–
14117
sheets
7 5 15 5 21 9 9
–
11146
`
More Multiplication7
Exercise
Multiply the following :
Ans.
4 5
× 5
2 2 5
T OH2
5 6
× 8
4 4 8
T OH4
6 7
× 9
6 0 3
T OH6
7 6
× 8
6 0 8
T OH4
Mathematics-2 32
5 4
× 6
3 2 4
T OH2
4 5
× 3
1 3 5
T OH1
3 7
× 4
1 4 8
T OH2
8 9
× 3
2 6 7
T OH2
4 3
× 6
2 5 8
T OH1
6 5
× 4
2 6 0
T OH2
7 6
× 7
5 3 2
T OH4
8 7
× 8
6 9 6
T OH5
9 8
× 9
8 8 2
T OH7
8 3
× 8
6 6 4
T OH2
7 4
× 7
5 1 8
T OH2
6 8
× 8
5 4 4
T OH6
Multiplication with Regrouping Ones and Tens
Exercise
Multiply the following :
Ans.
4 2 5
× 2
8 5 0
T OH1
3 1 6
× 2
6 3 2
T OH1
2 2 5
× 3
6 7 5
T OH1
3 2 5
× 3
9 7 5
T OH1
3 3 5
× 2
6 7 0
T OH1
4 2 8
× 2
8 5 6
T OH1
1 9 5
× 5
9 7 5
T OH24
1 3 8
× 7
9 6 6
T OH52
Multiplication Problems
Ans. 1. 2. 3.
It travels 162 km in 5 crates will have 120 228 trees are there in3 hours. bottles. the garden.4. 5. 6.
He had 50 calves. Such magazines 6265 people can travelcontain 580 pages. in such trains.
5 4
3
1 6 2×
1
km
2 4
5
1 2 0×
2
bottles
3 8
6
2 2 8×
4
trees
5 4
3
1 6 2×
1
km
2 4
5
1 2 0×
2
bottles
3 8
6
2 2 8×
4
trees
Mathematics-2 32
7.
3600 students are there in 8 such schools.
4 5 0
8
3 6 0 0×
2
students
Division8
Sharing into Equal Parts
a. Put 12 balls into 3 baskets.
12 shared equally by 3 baskets.
Each basket has 4 balls.
b. Put 18 balls into 6 baskets.
18 shared equally by 6 baskets.
Each basket has 3 balls.
c. Put 15 balls in 5 baskets.
15 shared equally by 5 baskets.
Each basket has 3 balls.
d. Put 8 balls in 4 baskets.
8 shared equal by 4 baskets.
Each basket has 2 balls.
Dividing into Equal Groups
b. You have 18 books. You put 6 books into one bag. How many bags are needed?
18 in equal groups of 6 each, is 3 groups.
3 bags are needed to put 18 books.
c. You have 24 marbles. You put 3 marbles into one plate. How many plates are needed?
24 in equal groups of 3 each, is 8 groups. 8 plates are needed to put 24 marbles.
Division on the Number Line
Exercise
Divide on the number line :
Ans.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 158 ÷ 4 = 2
Exercise
Divide the following :
Ans.
Mathematics-2 32
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1512 ÷ 6 = 2
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 ÷ 8 = 2
16 17 18
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1518 ÷ 9 = 2
16 17 18
18 ÷ 2
30 ÷ 6
80 ÷ 10
56 ÷ 7
63 ÷ 9
14 ÷ 2
40 ÷ 8
24 ÷ 4
12 ÷ 2
36 ÷ 6
35 ÷ 5
27 ÷ 3
28 ÷ 7
8 ÷ 2
9
5
8
8
7
7
5
6
6
6
7
9
4
4
45 ÷ 5
7 ÷ 7
20 ÷ 5
15 ÷ 3
24 ÷ 6
40 ÷ 4
18 ÷ 3
4 ÷ 4
8 ÷ 4
12 ÷ 3
24 ÷ 6
9
1
4
5
4
10
6
1
2
4
4
80 ÷ 8
21 ÷ 7
54 ÷ 6
2 ÷ 2
40 ÷ 5
45 ÷ 9
35 ÷ 7
20 ÷ 5
48 ÷ 8
36 ÷ 4
10
3
9
1
8
5
5
4
6
9
Short Method and Long MethodExercise
1. Divide by the short method :
Ans. 6 24
4
5 30
6
8 48
6
3 27
9
6 54
9
9 36
4
4 16
4
7 35
5
4 24
6
6 36
6
3 15
5
5 20
4
7 49
7
2 14
7
9 81
9
10 40
4
2 18
9
2 10
5
Mathematics-2 32
2. Divide by the long method :
Ans. 416
– 160
47
42– 42
0
67
63– 63
0
97
21– 21
0
34
20– 20
0
56
12– 12
0
2
321
– 210
72
10– 10
0
548
– 80
25
35– 35
0
75
10– 10
0
22
18– 18
0
9
324
– 240
86
24– 24
0
46
36– 36
0
69
36– 36
0
46
48– 48
0
89
27– 27
0
3
Word Problems
Ans. 12 ÷ 3 = 4 40 ÷ 4 = 10Each child will get 4 toffees. There are 10 laddoos in each box.36 ÷ 4 = 9 40 ÷ 5 = 8There are 9 children in each house. 8 bottles are kept in each row.56 ÷ 8 = 7She can make 7 bands with 56 beads.
Towards The Lab
Do yourself.
Measurement9
Measuring Lengths
1. Write m or cm for the lengths of the following objects :
Ans. a. cm b. cm c. cm d. me. cm f. m g. cm h. cm
2. Measure the following :
Ans. This pen is 10 cm long.This tooth-brush is 7 cm long.
3. Add :
Ans. a. b. c. d.1 8 0
+ 2 5
2 0 5
cm
cm
cm
8 2
+ 7
7 9
cm
cm
cm
3 3
+ 4 6
7 9
cm
cm
cm
5 4
+ 2 8
8 2
m
m
m
Mathematics-2 32
e. f. g. h.
4. Subtract :Ans. a. b. c. d.
e. f. g. h.
Measuring Mass
Exercise
1. Add :
Ans. a. b. c. d.
e. f. g. h.
4. Subtract :Ans. a. b. c. d.
e. f. g. h.
2 6
+ 9 6
1 2 2
cm
cm
cm
1
1 3 5
+ 2 2 7
3 6 2
m
m
m
1
2 0 9
+ 4 0 6
6 1 5
m
m
m
1
3 5 7
+ 1 4 8
5 0 5
cm
cm
cm
11
4 3
– 2 8
1 5
cm
cm
cm
3 13
7 3
– 5 1
2 2
cm
cm
cm
9 8
– 5 4
4 4
cm
cm
cm
1 5 6
– 3 2
1 2 4
m
m
m
8 2
– 6 9
1 3
cm
cm
cm
7 12
7 5
– 5 7
1 8
cm
cm
cm
6 15
1 4 7
– 2 8
1 1 9
m
m
m
3 17
4 3 0
– 4 3
3 8 7
cm
cm
cm
12 103
3 5
+ 4 6
8 1
kg
kg
kg
1
1 8
+ 2 3
4 1
g
g
g
1
7 5
+ 2 5
1 0 0
kg
kg
kg
1
5 2 1
+ 4 8
5 6 9
g
g
g
2 3 7
+ 4 8
2 8 5
kg
kg
kg
1
6 5 2
+ 4 3
6 9 5
kg
kg
kg
3 3 2
+ 2 7 9
6 1 1
kg
kg
kg
11
4 9 6
+ 3 8 5
8 8 1
g
g
g
1 1
2 3 5
– 8 3
1 5 2
kg
kg
kg
1
6 4
– 4 3
2 1
g
g
g
1 2 3
– 5 7
0 6 6
g
g
g
11 13
8 8
– 4 9
3 9
kg
kg
kg
7 18
2 7 0
– 8 3
1 8 7
kg
kg
kg
1 16 10
8 0 3
– 5 1 4
2 8 9
kg
kg
kg
7 9 13
7 0 2
– 6 9 4
0 0 8
kg
kg
kg
6 9 12
9 0 0
– 4 6 2
4 3 8
g
g
g
8 9 10
Mathematics-2 32
Exercise
1. Tick (3) the objects that have capacity of more than a litre. Cross (7) the ones that holds liquid less than a litre :
Ans.
2. Write what unit (l/ml) will you use to measure the following?
Ans. a. l b. ml c. ml d. mle. ml f. l g. ml h. li. ml j. l
3. Add :
Ans. a. b. c. d.
e. f. g. h.
4. Subtract :
Ans. a. b. c. d.
e. f. g. h.
Word Problems
2. 3. 4.
Length of left ribbon Varun’s train is He returned 7 metresis 45 cm. 14 cm. cloth.
(3) (7) (7) (3) (7) (7) (3) (7)
7 3
+ 5 2
1 2 5
ml
ml
ml
1
9
+ 2 5
3 4
l
l
l
1
2 7
+ 5 8
8 5
ml
ml
ml
1
1 6 7
+ 2 5
1 9 2
l
l
l
1
5 2 8
+ 2 6 6
7 9 4
l
l
l
1
3 4 5
+ 5 7
4 0 2
ml
ml
ml
1 1
6 5 0
+ 2 7 1
9 2 1
ml
ml
ml
1
4 0 5
+ 2 9 5
7 0 0
l
l
l
1 1
3 4 2
– 5 6
2 8 6
l
l
l
3 12
2 13
5 0
– 3 6
1 4
ml
ml
ml
4 10
9 2
– 4 5
4 7
l
l
l
8 12
3 5 1
– 7 5
2 7 6
l
l
l
14 112
1 0 0
– 4 5
0 5 5
ml
ml
ml
9 10
9 0 4
– 7 6 6
1 3 8
l
l
l
9 148
4 1 3
– 2 0 5
2 0 8
ml
ml
ml
0 13
7 4 7
– 5 4 9
1 9 8
l
l
l
13 176
8 0
– 3 5
4 5
cm
cm
cm
7 10
2 8
– 1 4
1 4
cm
cm
cm
4 4
– 3 7
0 7
metres
metres
metres
3 14
Mathematics-2 32
5. 6.
6 m is left.
Towards The Lab
Do yourself
1 8
– 7
1 1
m
m
m
1 4
– 8
6
m
m
m
Money10
Writing Rupees and Paise
Exercise
1. Add and write the answer in box :
Ans. + + = 75 paise
+ + = 100 paise
+ + = 1.25 paise
2. Write in words :
Ans. ` 10.75 = Ten rupees and seventy-five paise` 500.75 = Five hundred rupees and seventy-five paise` 260.50 = Two hundred sixty rupees and fifty paise` 2.20 = Two rupees and twenty paise
3. Write in figures :
Ans. Forty rupees and fifty paise = ` 40.50
Fifteen rupees and twenty-five paise = ` 15.25
Twenty rupees and forty paise = ` 20.40
Adding Money
Exercise
1. Add :
Ans. a. b. c. d. e.p
1 0
+ 2 5
3 5
p
2 5
+ 2 5
5 0
p
2 5
+ 5 0
7 5
p
1 0
+ 5
1 5
p
3 2
+ 6 6
9 8
Mathematics-2 32
f. g. h. i.
2. Add the following :
Ans. a. b. c. d.
e. f. g. h.
Exercise
1. Add :
Ans. a. b. c. d.
e. f. g. h.
2. Add the following :
Ans. a. b. c. d.
e. f. g. h.
p
2 0
+ 3
2 3
1 0
1 0
2 0
`p
1 5
+ 2 5
4 0
0 0
5 0
5 0
`1
p
1 0 0
+ 5 0
1 5 0
3 5
2 5
6 0
`1
p
1 2 5
+ 1 2 5
2 5 0
2 5
4 5
7 0
`11
64 . 2536 . 20
100 . 45
```
+
1
23 . 3050 . 6073 . 90
```
+50 . 5543 . 3593 . 90
```
+
1
37 . 4532 . 3569 . 80
```
+
1 10 . 0020 . 2545 . 5075 . 75
````
+
10 . 0020 . 2545 . 5075 . 75
````
+118 . 50502 . 20620 . 70
```
+
1
643 . 75278 . 15921 . 90
```
+
11 1
p
1
6 0
4 0
0 0
`1
+
p
2 0
+ 6 8
8 9
3 0
7 0
0 0
`1
p
1
5 5
4 5
0 0
`1
+
p
1
7 5
5 5
3 0
`1
+
p
1
6 5
4 0
0 5
`1
+
p
1 2
+
1 2
2 5
4 0
6 5
`p
1 2 7
+ 4 3
1 7 1
5 5
6 0
1 5
`11
p
5 6 4
+ 1 3 7
7 0 2
3 5
7 5
1 0
`11 11
6 . 7 51 4 . 3 52 1 . 1 0
```
+
1 1 1
1 5 . 8 53 . 2 0
1 9 . 0 5
```
+
1
6 3 . 5 52 6 . 5 59 0 . 1 0
```
+
1 1 1 10 . 2515 . 2520 . 5046 . 00
````
+
1 1
4 7 . 8 34 2 . 6 52 5 . 8 0
1 1 6 . 2 8
````
+
1 2
6 4 3 . 3 84 2 0 . 5 03 4 0 . 5 0
1 4 0 4 . 3 8
````
+
1 1
1 2 3 . 4 52 3 4 . 5 5
4 5 . 1 04 0 3 . 1 0
````
+
1 11 1
2 3 2 . 0 04 2 1 . 4 51 6 5 . 9 08 1 9 . 3 5
````
+
1 1
Mathematics-2 32
Word Problems
2. 3. 4.
She spend ` 27 in We need ` 54 to buy She have ` 145.75.all. both.5. 6.
New cost is ` 23.50. He spend ` 700 in all.
Subtracting MoneyExercise
1. Subtract :
Ans. a. b. c. d. e.
f. g. h. i.
2. Subtract the following :
Ans. a. b. c. d.
e. f. g. h.
Exercise
1. Subtract :
Ans. a. b. c. d.
1 51 22 7
```
+
1 2 0 . 7 52 5 . 0 0
1 4 5 . 7 50
```
+4 5 . 5 08 . 5 0
5 4 . 0 0
```
+
1 1
1 8 . 5 05 . 0 0
2 3 . 5 00
```
+
1
2 5 03 5 01 0 07 0 0
````
+
1
p
9 5
– 2 0
7 5
p
5 5
– 2 5
3 0
p
3 0
– 2 5
0 5
102
p
1 3 2
– 6 6
6 6
1212
p
6 4
– 2 9
3 5
145
p
7 5
– 4
7 1
5 0
0 0
5 0
`p
4 7
– 1 8
2 9
6 5
5 0
1 5
`173
p
1 2 6
– 5 4
0 7 2
5 0
2 5
2 5
`40 1012
p
6 0 2
– 1 7 6
4 2 6
8 0
7 5
0 5
`75 109 12
2 3 . 2 58 . 2 5
1 5 . 0 0
```
–
131
6 3 . 8 04 6 . 4 51 7 . 3 5
```
–
107135
3 4 . 5 02 2 . 3 51 2 . 1 5
```
–
104
9 0 . 8 07 6 . 7 51 4 . 0 5
```
–
107135
9 7 8 . 7 58 8 9 . 1 00 8 9 . 6 5
```
–
18168
1 1 1 . 5 08 3 . 0 0
0 2 8 . 5 0
```
–
11100
2 0 6 . 6 01 8 8 . 2 50 1 8 . 3 5
```
–
1691 105
7 4 2 . 9 02 7 4 . 5 54 6 8 . 3 5
```
–
12136 108
p
1 6
– 4
1 1
2 0
5 0
7 0
`12015
p
6 5
– 2 4
4 0
3 0
6 0
7 0
`13064
p
9 2
– 4 5
4 6
5 0
7 5
7 5
`15091
p
4 9
3 7
1 1
0 0
7 5
2 5
`10048
Mathematics-2 32
e. f. g. h.
2. Subtract the following :
Ans. a. b. c. d.
e. f. g. h.
Word Problems
2. 3. 4.
Now, she have ` 29.50. Jill have ` 176.40 The cost of sauce is` 74.25
5. 6.
Old cost is ` 18.50 The cost of Maya’s doll is ` 93.
Towards The Lab
Do yourself
p
1 4 2
– 2 7
1 1 4
5 0
6 5
8 5
`150141
p
7 3 1
– 5 4
6 7 6
2 5
5 0
7 5
`125730
p
4 0 2
– 2 2 4
1 7 7
5 5
7 5
8 0
`155401
p
5 0 0
– 4 0 1
0 9 8
5 0
7 5
7 5
`150499
1 4 . 1 02 . 2 0
1 1 . 9 0
```
–
13 110
4 3 . 2 03 3 . 3 0
9 . 9 0
```
–
42 120
8 0 . 4 07 9 . 5 5
0 . 8 5
```
–
79 140
9 0 . 2 58 4 . 7 5
5 . 5 0
```
–
89 125
2 5 4 . 0 02 3 . 2 5
2 3 0 . 7 5
```
–
253 100
3 6 5 . 0 01 2 3 . 5 02 4 1 . 5 0
```
–
364 100
6 3 3 . 7 54 6 2 . 8 01 7 0 . 9 5
```
–
632 175
5 1 2 . 3 02 5 6 . 6 52 5 5 . 6 5
```
–
511 130
1 0 0 . 0 07 0 . 5 02 9 . 5 0
```
–
99 100
2 5 0 . 0 07 3 . 6 0
1 7 6 . 4 0
```
–
249 100
1 0 0 . 0 02 5 . 7 57 4 . 2 5
```
–
99 100
2 3 . 5 05 . 0 0
1 8 . 5 0
```
–1 2 7
3 49 3
```
–
Patterns11
Exercise
Look at the patterns and fill up the boxes :
Ans.
Leafy pattern
Observe and complete the given table :
Ans. 6
AA
UP
AZ
AB
DAY
6
BB
DOWN
AY
BC
NIGHT
9
CC
UP
AX
CD
DAY
9
DD
DOWN
AW
DE
NIGHT
6
EE
UP
AV
CF
DAY
6
FF
DOWN
AU
FG
NIGHT
9
GG
UP
AT
GH
DAY
9
HH
DOWN
AS
HI
NIGHT
Let us look at some patterns with numbers. Fill the number in the blank space of each pattern.
Ans.
5 10 15 25 4020 30 35
1 3 7 13 155 9 11
0
20 100
40 80 120
60 140
2
4
614
8
10
12 16
50
75 175
100
125
150 200
225
Mathematics-2 32
Mathematics-2 32
Exercise
1. Write the time :
Ans.
Time and Calendar12
1
2
3
4567
9
10
8
11 12
9:00
1
2
3
4567
9
10
8
11 12 1
2
3
4567
9
10
8
11 12
5:00 11:00
1
2
3
4567
9
10
8
11 12
7:00
1
2
3
4567
9
10
8
11 12 1
2
3
4567
9
10
8
11 12
12:00 6:00
2. Draw the hands to show the time :
Ans.1
2
3
4567
9
10
8
11 12 1
2
3
4567
9
10
8
11 12 1
2
3
4567
9
10
8
11 12
3 o’clock 8 o’clock 10 o’clock
Exercise
1. Write the time :
Ans. 1
2
3
4567
9
10
8
11 12
10 : 15
1
2
3
4567
9
10
8
11 12
10 : 30
1
2
3
4567
9
10
8
11 12
10 : 45
1
2
3
4567
9
10
8
11 12
11 : 00
1
2
3
4567
9
10
8
11 12
2 : 30
1
2
3
4567
9
10
8
11 12
12 : 30
1
2
3
4567
9
10
8
11 12
4 : 15
1
2
3
4567
9
10
8
11 12
1 : 45
1
2
3
4567
9
10
8
11 12
2 : 15
1
2
3
4567
9
10
8
11 12
7 : 30
1
2
3
4567
9
10
8
11 12
2 : 45
1
2
3
4567
9
10
8
11 12
9 : 15
1
2
3
4567
9
10
8
11 12
11 : 15
1
2
3
4567
9
10
8
11 12
5 : 30
1
2
3
4567
9
10
8
11 12
6 : 15
1
2
3
4567
9
10
8
11 12
12 : 15
Mathematics-2 32
2. Write the time :
Ans. 7 : 4 5
quarter to eight
6 : 3 0
Half past 6
1 2 : 3 0
Half past 12
9 : 3 0
Half past 9
5 : 1 5
quarter past 5
1 : 1 5
quarter past 1
1 1 : 4 5
quarter to 12
4 : 4 5
quarter to 5
3. Draw the hands to show the time :
Ans. 1
2
3
4567
9
10
8
11 12
half past 3
1
2
3
4567
9
10
8
11 12
quarter past seven
1
2
3
4567
9
10
8
11 12
quarter to four
1
2
3
4567
9
10
8
11 12
half past one
Measuring Time
3. Tick (3) the time taken by the following :
Ans. An advertisement on TVless than a minute more than an hour
A Movie 2 to 3 minutes 2 to 3 hoursMaking instant noodles
a few minutes 3 to 4 hoursCartoon show on TV
30 minutes 2 to 3 hoursMaths class
about 30 minutes about 10 minutesA song a few minutes a few hoursA trip to the zoo a few minutes a few hours
3
3
3
3
3
3
3
Mathematics-2 32
Exercise
Fill in the blanks :
Ans. 60 minutes make an hour.24 hours make a day.7 days make a week.12 months make a year.A common year has 365 days.A leap year has 366 days.The first day of the week is Sunday.The second month of the year is February.The seventh month of the year is July.May has 31 days and November has 30 days.February has 29 days in a leap year.
Calendar
Exercise
1. Look at the given calendar and fill in the dates :
Ans. 4 days after 4 May : 8 May2 days before 12 June : 10 June2 days after 20 April : 22 April7 days before 1 March : 22 February10 days after 25 January : 4 February7 days before 2 May : 25 April
2. Look at the given calendar and fill in the blanks :
Ans. There are 4 Sundays in October.5 September (Teacher’s day) is a Thursday.2 October (Gandhiji’s birthday) falls on a Wednesday.Your birthday is on Do yourself. It is a Do yourself.Raj’s school opened on the first Monday of April. The date : 1 April 2019.Tina ’s school opened 7 days after that. The date : 8-April-2019.
Fractions13
Exercise
1. Colour half of each figure given below :( 12 (
Mathematics-2 32
( 13 (2. Colour one-third of each figure given below :
3. Colour one-fourth of each figure given below :
4. Colour two-third of each figure given below :
5. Colour three-fourth of each figure given below :
( 14 (
( 23 (
( 34 (
Geometrical Shapes14
Do yourself
Write the number of sides and corners for each figure :
Ans. a. Sides 3 Corners 3 b. Sides 4 Corners 4c. Sides 4 Corners 4 d. Sides 0 Corners 0
Solid Figures (3-D Shapes)
Exercise
Match the shapes with pictures :
Ans. CubeSphere Cuboid Cone Cylinder
Mathematics-2 32
Faces, Edges and Corners
Exercise
1. Match the objects with the shape it has :
Ans. SPHERE
CUBOID
CUBE
CYLINDER
CONE
2. Complete the following table :
Ans. Name of Shape Faces Edges Corners/vertices
Cylinder 3 2 0Cone 2 1 1Sphere 1 0 0Cube 6 12 8Cuboid 6 12 8
Straight and Curved Lines
Exercise
1. Put a tick (3) for horizontal lines :
Ans. i., iv.
2. Put a tick (3) for slant lines :
Ans. i., iii.
3. Put a tick (3) for vertical lines :
Ans. ii.
4. Count and write the number of horizontal lines, vertical lines and slant lines in each shape :
Ans. Horizontal lines = 1 Horizontal lines = 2Vertical lines = 0 Vertical lines = 2Slant lines = 2 Slant lines = 0
Towards The Lab
Do yourself.
Exercise
1. The traffic police conducted a survey of vehicles passing through a particular place in 10 minutes on a particular day. Read the pictograph and answer the questions.
Ans. a. 36 b. Carsc. Motor bikes d. 108
2. The number of cars sold in a year in three cities are shown in the pictograph. Find the number of cars sold in that year in each city.
Ans. Delhi = 500Mumbai = 300Shillong = 400
3. The pictograph given below shows the number of vegetables which a greengrocer possesses.
Ans. a. 5 b. Lemons c. Carrots d. 6
4. Anita made a pictograph to show different kinds of fish in her aquarium. From the pictograph, let us find :
Ans. a. 28 b. 4 c. 2
Towards The LabDo yourself.
Mathematics-2 32
Pictorial Representation of Data15
Model Test Paper-1
A. Tick (3) the correct option :
Ans. 1. b. 2. a 3. a 4. a 5. b
B. Answer the following :
Ans. 1. a. Forty-three b. Fifty-five2. a. 71 b. 79 c. 903. a. 17, 19, 21 b. 53, 55, 574. a. 1 b. 4
C. Solve the following questions :
Ans. 1. 2. 3.
4. 5. 6.
3 6
+ 7
4 3
1
4 8 5
+ 1 1 3
5 9 8
2 1 3
– 1 8 7
0 2 6
13101
4 4 3
× 2
8 8 6
3 5
× 4
14 0
2 742
– 42×
6
D. Word Problem :
Ans. 1. 2.
He had 50 calves. Each child will get 4 toffees.
Mathematics-2 32
2 5
× 2
5 0
T OH1
412
– 12×
3
Model Test Paper-2
A. Tick (3) the correct option :
Ans. 1. a. 2. b 3. a 4. b 5. b
B. Colour one-third of each figure given below :
Ans. a. b. c.
C. Solve the following :
Ans. 1. Add :a. b. c. d.
2. Subtract :a. b. c. d.
3. Write in words :a. Two hundred sixty rupees and fifty paiseb. Five hundred rupees and seventy-five paise
D. Draw hands to show the time :Ans.
( 13 (
3 5 7
1 4 8
5 0 5
+
cm
cm
cm
1 1
4 9 6
3 8 5
8 8 1
+
g
g
g
1 1
1 6 7
2 5
1 9 2
+
l
l
l
1
2 0 9
4 0 6
6 1 5
+
m
m
m
1
6 0 9
4 0 3
2 0 6
–
m
m
m
1 2 3
– 5 7
0 6 6
g
g
g
11 130
3 5 1
– 7 5
2 7 6
l
l
l
14 112
7 3
– 5 4
1 9
cm
cm
cm
6 13
1
2
3
4567
9
10
8
11 12 1
2
3
4567
9
10
8
11 12 1
2
3
4567
9
10
8
11 12
3 o’clock 8 o’clock 10 o’clock
1. Write the numerals for the following :
Ans. a. Three hundred ninety-nine 399b. Seventy-five 75c. Two hundred two 202
2. Write the number names for the following :
Ans. a. 404 Four hundred fourb. 595 Five hundred ninety-fivec. 803 Eight hundred three
3. See the pattern and fill in the blanks :
Ans. a. 6, 8, 10 12 14 16 18 20b. 11, 16, 21 26 31 36 41 46c. 80, 90, 100 110 120 130 140 150
4. Fill in the circles with correct symbol ( < , > or = ) :
Ans. a. 46 < 64 b. 101 > 98 c. 647 > 467
d. 101 < 110 e. 900 > 90 f. 978 > 897
5. Write the following numerals in decreasing order:
Ans. a. 54, 504, 450, 45, 405, 540 540, 504, 450, 405, 54, 45b. 690, 609, 617, 69, 960, 906 960, 906, 690, 617, 609, 69
6. Write the following numerals in increasing order :
Ans. a. 783, 837, 378, 738, 873, 387 378, 387, 738, 783, 837, 873b. 91, 19, 109, 90, 901, 190 19, 90, 91, 109, 190, 901
7. a. The largest 3-digit number is 999.b. The smallest 2-digit number is 10.
8. Write in short form :
Ans. a. 200 + 5 = 205 b. 800 + 80 + 8 = 888c. 400 + 40 = 440 d. 500 + 50 + 5 = 555
9. Add the following :
Ans. a. b. c.
10. Find the sum :
Ans. a. 444 + 8 + 333 b. 403 + 270 + 77 c. 439 + 251 + 81= 785 = 750 = 771
11. Find the difference :
Ans. a. 49 – 22 = 27 b. 68 – 57 = 11 c. 999 – 666 = 333
Mathematics-3 32
Mathematics-3
Looking Back1
3 7
2 2
5 9
+
3
6 6
6 9
+
5 4 3
3 3 4
8 7 7
+
Mathematics-3 32
MCQs
Tick (3) the correct answer :
Ans. 1. i 2. iii 3. i 4. ii
12. Subtract :
Ans. a. 42 from 274 b. 65 from 493 c. 187 from 202
13. Fill in the blanks :
Ans. a. 2 + 2 + 2 + 2 + 2 = 5 × 2 b. 5 + 5 + 5 + 5 + 5 = 3 × 5.c. 7 + 7 + 7 + 7 + 7 + 7 = 6 × 7 d. 10 + 10 + 10 + 10 + 10 = 5 × 10
14. Fill in the blanks :
Ans. a. 4 × 7 = 28 b. 7 × 7 = 49 c. 3 × 5 = 15d. 5 × 8 = 40 e. 7 × 8 = 56 f. 5 × 9 = 45
15. Put the appropriate sign + or × in each:
Ans. a. 2 × 2 = 4 b. 3 × 4 = 12 c. 7 + 3 = 10
d. 3 × 8 = 24 e. 1 + 0 = 1 f. 6 × 0 = 0
16. Multiply:Ans. a. b. c.
17. One notebook has 68 pages. How many pages are there in 8 such note books?
Ans. 68 × 8 = 544 pages
18. A month has 30 days. How many days are there in 5 months?
Ans. 30 × 5 = 150 days
19. Divide using repeated subtraction and find the quotient :
Ans. a. 21 ÷ 3 = 7 b. 48 ÷ 8 = 6 c. 50 ÷ 5 = 10
20. Divide by the long method and write the quotient and remainder in each case :
Ans. a. 63 ÷ 7 b. 88 ÷ 8 c. 70 ÷ 5
Q = 9 Q = 11 Q = 14R = 0 R = 0 R = 0
2 7 4– 4 22 3 2
4 9 3– 6 54 2 8
8 13 2 0 2– 1 8 7
1 5
2 3 7
× 5
1 1 8 5
1 0 2
× 8
8 1 6
8 2
× 5
4 1 0
963
– 630
7
1470
– 520
–200
05
1188
– 88
–80
08
Mathematics-3 32
21. Draw clock faces and show the times given below :
Ans. a. 4 O'clock b. 11 : 20 c. 12 O'clock
d. Half past three e. Half past 5
22. Fill in the blanks :
Ans. a. The number of days in the month of February is 28 or 29.b. The number of days in the month of March is 31.c. The last month of the year is December.d. The first month of the year is January.
23. Fill in the blanks :
Ans. a. 100 cm = 1 m b. 1000 m = 1 kmc. 1000 gm = 1 kg d. 1000 ml = 1 litree. 10 10 paise coins make one rupee.
24. Add :
Ans. a. b. c.
d. e.
MCQs
Tick (3) the correct answer :
Ans. 1. iv 2. i 3. iii 4. iii
25. Find the difference between:
Ans. a. b. c. d.
12
6
39
12
6
39
12
6
39
12
6
39
12
6
39
2 57 0
+ 1 91 1 3
pppp
1 2 88 0
+ 4 52 4 5
7 3 01 2 5+ 8 59 4 0 m
8 2+ 78 9 kg
3 0 02 7 5
+ 1 5 07 2 5
gggg
4 3 0– 5 53 7 5 ml
2 5 0– 8 01 7 0 l
6 7– 3 0
3 7 kg
8 7 0– 4 3 5
4 3 5 g
Mathematics-3 32
26. If 4 kg of grapes cost ` 100, what is the cost of 1 kg grapes?Ans.
= ` 25
27. If 9 notebooks cost ` 72, what is the cost of 1 notebook?
= ` 8
28. a. Black board, slate b. Set squarec. Ball, marble d. Soap cake, brick
25100– 8
20–20
×
04
872
– 72×
9
4-digit Numbers2
Exercise 2.1
1. Write the numerals :
Ans. a. 2 0 2 2
b. 9 9 4 2
c. 5 6 5 4
d. 7 2 9 9
e. 8 2 0 0
f. 2 9 2 6
g. 9 4 4 8
2. Fill in the missing numbers :
Ans. 999
1576
2568
3287
4345
5228
5663
6780
7540
8335
9887
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
1000
1577
2569
3288
4346
5229
5664
6781
7541
8336
9888
1001
1578
2570
3289
4347
5230
5665
6782
7542
8337
9889
1002
1579
2571
3290
4348
5231
5666
6783
7543
8338
9890
1003
1580
2572
3291
4349
5232
5667
6784
7544
8339
9391
1004
1581
2573
3292
4350
5233
5668
6785
7545
8340
9892
1005
1582
2574
3293
4351
5234
5669
6786
7546
8341
9893
1006
1583
2575
3294
4352
5235
5670
6787
7547
8342
9894
1007
1554
2576
3295
4353
5236
5671
6788
7548
8343
9895
Mathematics-3 32
MCQs
Fill in the boxes :
Ans. 1. iv 2. ii 3. iv 4. i 5. i
Exercise 2.2
1. Counting by 2s, write five numerals starting from:
Ans. a. 345 347 349 351 353 355b. 156 158 160 162 164 166
2. Counting by 5s, write five numerals starting from:
Ans. a. 584 589 594 599 604 609b. 5035 5040 5045 5050 5055 5060
3. Counting by 10s, write the numerals starting from:
Ans. a. 4936 4946 4956 4966 4976 4986b. 7345 7355 7365 7375 7385 7395
4. Counting by 100s, write the numerals starting from:
Ans. a. 487 587 687 787 887 987b. 2839 2939 3039 3139 3239 3339
5. Counting by 1000s, write five numerals starting from:
Ans. a. 327 1327 2327 3327 4327 5327b. 859 1859 2859 3859 4859 5859
Exercise 2.3
1. Write the predecessors :
Ans. a. 4389 4360 b. 4508 4509 c. 1297 1298d. 7617 7618 e. 3166 3167 f. 9799 9800g. 4999 5000 h. 2005 2006 i. 7625 7836
2. Write the successors :
Ans. a. 2159 2160 b. 2861 2862 c. 6354 6355d. 5458 5459 e. 7120 7121 f. 1999 2000g. 2999 3000 h. 1708 1709 i. 3112 3113
3. Write 5 numbers that come just before the numbers given :
Ans. a. 6415 6416 6417 6418 6419 6420b. 3411 3412 3413 3414 3415 3416c. 7360 7361 7362 7363 7364 7365
4. Starting from the given number, write 5 numbers that come just after :
Ans. a. 5450 5451 5452 5453 5454 5455b. 6000 6001 6002 6003 6004 6005c. 3614 3615 3616 3617 3618 3619
Mathematics-3 32
Exercise 2.4
1. Write the places of the encircled digits :
Ans. a. 3 5 6 8 Ones b. 2 1 0 8 Tens
c. 7 9 5 2 Tens d. 3 2 1 0 Hundreds
e. 2 4 3 3 Hundreds f. 5 9 7 5 Hundreds
g. 8 7 2 9 Tens h. 4 7 8 9 Hundreds
i. 7 4 6 5 Tens j. 2 0 2 1 Hundreds
k. 6 5 6 1 Thousands l. 6 8 1 8 Hundreds
2. Write the numbers having digits at different places as indicated:
Ans. a. Hundreds-3 Tens-0 Ones-6 306
b. Thousands-5 Hundreds-8 Tens-6 Ones-0 5860
c. Thousands-6 Hundreds-4 Tens-3 Ones-7 6437
d. Thousands-9 Hundreds-5 Tens-7 Ones-1 9571
e. Thousands-3 Hundreds-0 Tens-9 Ones-5 3095
3. Write place value of the encircled digits:
Ans. a. 3 5 6 3 3 b. 6 9 4 5 900
c. 1 3 8 9 300 d. 2 9 3 0 30
e. 3 4 1 3 3000 f. 3 8 0 5 5
g. 7 8 0 5 800 h. 9 0 4 5 0
MCQs
Tick (3) the correct answer :
Ans. 1. iii 2. iv 3. ii 4. i 5. iii
Exercise 2.5
1. Write the following numerals in their expanded form:
Ans. a. 2108 = 2000 + 100 + 00 + 8b. 6342 = 6000 + 300 + 40 + 2c. 5817 = 5000 + 800 + 10 + 7d. 3089 = 3000 + 000 + 80 + 9e. 9126 = 9000 + 100 + 20 + 6f. 2781 = 2000 + 700 + 80 + 1
2. Encircle the correct number:
Ans. a. 7 Thousands 4 Tens 7004 7040 7400
b. 8 Hundreds 5 Ones 850 8005 805
c. 5 Thousands 3 Hundreds 4 Tens 5304 5340 534
d. 1 Thousand 5 Ones 1005 1500 1050
Mathematics-3 32
3. Match the expanded form with its number:
Ans. a. 8000 + 900 + 5 i. 2617b. 7000 + 100 + 30 + 5 ii. 4180c. 4000 + 60 + 8 iii. 343d. 2000 + 600 + 10 + 7 iv. 4068e. 100 + 50 + 3 v. 7135f. 9000 + 200 + 60 + 4 vi. 8905g. 4000 + 100 + 80 vii. 153h. 300 + 40 + 3 viii. 9264
Towards The Lab
Do yourself
Roman Numerals3
Activity
Fill in the blanks and boxes where necessary :
Ans. 17 = 10 + 7 = X + VII = XVII18 = 10 + 8 = X + VIII = XVIII19 = 10 + 9 = X + IX = XIX20 = 10 + 10 = X + X = XX21 = 10 + 10 + 1 = X + X + I = XXI25 = 10 + 10 + 5 = X + X + V = XXV29 = 10 + 10 + 9 = X + X + IX = XXIX30 = 10 + 10 + 10 = X + X + X = XXX31 = 10 + 10 + 10 + 1 = X + X + X + I = XXXVI36 = 10 + 10 + 10 + 6 = X + X + X + VI = XXXVI37 = 10 + 10 + 10 + 7 = X + X + X + VII = XXXVII
Exercise 3
1. Convert the following into Roman numerals :
Ans. a. XXXIV b. XVIII c. XIV d. XII e. XXXf. XXXIX g. XX h. XXIX i. XV j. XIX
2. Convert the following into Hindu-Arabic numerals :
Ans. a. 26 b. 25 c. 18 d. 20 e. 19f. 31 g. 16 h. 23 i. 14 j. 32
3. Put a tick (3) on the correctly written numbers. Put a cross (7) on the incorrectly written numbers :
Ans. a. 7 b. 3 c. 3 d. 7 e. 3
f. 7 g. 7 h. 7 i. 7 j. 3
Mathematics-3 32
MCQs
Tick (3) the correct answer :
Ans. 1. iii 2. iv 3. ii 4. iii 5. iii
Activity For Fun
Do yourself
Addition4
Exercise 4.1
Break up the numbers and add the following :
Ans. a. b.
Try this
33 + 24 = ___
33 + 20 = 5353 + 4 = 570
20 + 4
So, 33 + 24 = 57
Try this
75 + 24 = ___
70 + 20 = 905 + 4 = 9
90 + 9 = 990 0 0
0
20 + 4
So, 75 + 24 = 99
70 + 5
Ways of Adding Two Numbers
56 + 32 = ___
50 + 30 = 806 + 2 = 8
80 + 8 = 880 0 0
0
30 + 2
So, 56 + 32 = 88
50 + 6
63 + 34 = ___
60 + 30 = 903 + 4 = 7
90 + 7 = 970 0 0
0
30 + 4
So, 63 + 34 = 97
60 + 3
Exercise 4.2
1. Add these by counting in tens :
Ans. a. 141 + 54 = _____ b. 136 + 37 = ______= 141 + 10 + 10 + 10 + 10 + 10 + 4 = 136 + 10 + 10 +10 +7= 151 + 10 + 10 + 10 + 10 + 4 = 166 + 7= 161 + 10 + 10 +10 + 4 = 173= 171 + 10 + 10 + 4= 181 + 10 + 10 + 4= 191 + 4= 195
Mathematics-3 32
2. Change one of the numbers into multiples of 10 and add :
a. 47 b. 63+ 23 + 54
Exercise 4.3
1. Add the following :
Ans. a. b. c. d.
e. f. g. h.
2. Add the following :
Ans. a. b. c. d.
Exercise 4.4
1. Find the sum :
Ans. a. b. c.
2. Add horizontally :
Ans. a. 3214 + 1532 = 4746 b. 4312 + 2654 = 6966c. 7314 + 1625 = 8939 d. 6710 + 2139 = 8849
Exercise 4.5
1. Add the following :
Ans. a. b. c.
4 0
3 0
7 0
+
T O6 0
5 7
11 7
+
T O(–7)
(+7)
0
47
23
70
+
(–3)
(+3)
0
63
54
117
+
5 7
3 9
9 6
+
T O
4 7
3 9
8 6
+
T O
3 2
5 8
9 0
+
T O
6 7
3 6
10 3
+
T O
3 3
2 4
3 7
9 4
+
T O1
6 8
3 2
3 1
13 1
+
T O1
4 2
5 7
6 3
16 2
+
T O1
3 3
4 4
5 5
13 2
+
T O1
6 0 9
6 3 4
12 4 3
T OH1
+3 8 4
4 5 6
1 2 8
9 6 8
T OH1
+
1
9 4 3
2 1 5
6 1 3
17 7 1
T OH1
+
4 5 9
8 3 4
1 2 4
14 1 7
T OH1
+
1
2 1 5 7
4 5 0 2
6 6 5 9
+
T OHTh
2 6 5 9
5 1 2 0
7 7 7 9
+
T OHTh
4 6 2 0
5 1 2 0
9 7 4 0
+
T OHTh
4 3 4 6
1 8 5 6
6 2 0 2
+
T OHTh1 1 1
4 7 8 2
3 2 3 9
8 0 2 1
+
T OHTh1 1 1
7 1 3 6
1 9 7 8
9 1 1 4
+
T OHTh1 1 1
Mathematics-3 32
2. Add the following :
Ans. a. 4349 + 1456 = 5805 b. 1763 + 1523 = 3286c. 2936 + 1264 = 4200 d. 7649 + 1891 = 9540
MCQs
Fill in the boxes :
Ans. 1. i 2. iii 3. ii 4. ii 5. ii
Exercise 4.6
2. 3. 4.
No. of tickets sold He mend 79 shoes Their Mother's age= 998 in all. = 39 years.
Towards The Lab
Do yourself
4 7 3+ 5 2 5
9 9 8
2 33 4
+ 2 27 9
0 71 1
+ 2 13 9
Subtraction5
Exercise 5.1
Find the difference :
a. b. c. d.
e. f. g. h.
Exercise 5.2
Solve the following in your notebook :
Ans. a. 609 – 427 = 182 b. 400 – 332 = 68c. 640 – 464 = 176 d. 903 – 276 = 627e. 330 – 221 = 109 f. 405 – 238 = 167
Exercise 5.3
Subtract by counting on in your notebook :
Ans. a. 63 – 15 = 48 b. 33 – 11 = 22c. 38 – 15 = 23 d. 63 – 14 = 49e. 52 – 12 = 40 f. 85 – 12 = 73
5 4
2 3
3 1
–
T O
6 8
2 4
4 4
–
T O
3 3
1 2
2 1
–
T O
5 7
2 6
3 1
–
T O
2 2 3
2 1 1
0 1 2
–
T OH
6 8 3
2 4 1
4 4 2
–
T OH
7 1 9
2 1 8
5 0 1
–
T OH
9 9 9
3 2 4
6 7 5
–
T OH
Mathematics-3 32
Exercise 5.4
Subtract by using place value in your notebook :
Ans. a. 95 – 12 = 83 b. 68 – 35 = 33c. 63 – 15 = 48 d. 95 – 47 = 48e. 72 – 37 = 35 f. 73 – 45 = 28
Exercise 5.5
1. Find the difference :
Ans. a. b. c.
2. Arrange vertically and subtract :
Ans. a. 6396 – 2162 = 4234 b. 7643 – 5022 = 2621
c. 5478 – 3257 = 2221 d. 6438 – 2228 = 4210
Exercise 5.6
1. Subtract the following :
Ans. a. b. c.
d. e. f.
2. Subtract by arranging in columns :
Ans. a. 2728 from 8379 = 5651 b. 3781 from 6019 = 2238c. 1093 from 3902 = 2809 d. 4224 from 8003 = 3779
Exercise 5.7
1. 2. 3.
32 children took the Sri Lanka scored 234 433 students do not playride on Monday. runs. football.
MCQsTick (3) the correct answer :
Ans. 1. ii 2. i 3. iii 4. ii 5. ii
6 5 8 3
4 3 6 2
2 2 2 1
–
T OHTh
5 6 1 2
4 5 0 2
1 1 1 0
–
T OHTh
5 9 6 2
4 1 3 2
1 8 3 0
–
T OHTh
5 0 0 1
1 3 5 3
3 6 4 8
–
T OHTh
4 10 10
9 9 11
2 1 5 7
4 5 0 2
6 6 5 9
–
T OHTh
3 16 8
12
5 0 0 9
3 2 9 5
1 7 1 4
–
T OHTh
4 10 10
1
9 8 0 2
2 5 4 3
7 2 5 9
–
T OHTh
7 9
10 12
9 3 0 2
6 1 2 8
3 1 7 4
–
T OHTh
2 9
10 12
3 4 5 6
2 5 7 8
0 8 7 8
–
T OHTh
2 13 14
14 17
5 7– 2 5
3 2
3 5 8– 1 2 4
2 3 4
9 5 6– 5 2 3
4 3 3
Mathematics-3 32
Towards The Lab
Do yourself
Multiplication6
Exercise 6.1
1. Fill in the boxes :
Ans. a. 2 × 8 = 16 b. 3 × 3 = 9 c. 4 × 5 = 20d. 3 × 7 = 21 e. 4 × 4 = 16 f. 2 × 6 = 12g. 2 × 3 = 6 h. 8 × 6 = 48 i. 4 × 5 = 20
2. Write the multiplication fact for the following :
Ans. b. 3 + 3 + 3 + 3 + 3 + 3 + 3 = 21 Þ 7 × 3c. 5 + 5 + 5 + 5 + 5 = 25 Þ 5 × 5d. 4 + 4 + 4 + 4 + 4 + 4 = 24 Þ 6 × 4
3. Fill in the boxes :
Ans. a. 12 × 4 = 48 Þ 4 is multiplicand. b. 9 × 4 = 36 Þ 4 is multiplicand.c. 9 × 7 = 63 Þ 63 is the product.d. 6 × 5 = 30 Þ 6 is the multiplier.
4. Write the missing numerals :
Ans. b. 5 × 9 = 45 × 5 = 225 c. 3 × 7 = 21 × 3 = 63d. 7 × 4 = 28 × 4 = 112 e. 1 × 6 = 6 × 1 = 6f. 5 × 6 = 30 × 5 = 150
Exercise 6.2
1. Fill in the boxes :
Ans. a. 22 × 100 = 2200 b. 19 × 100 = 1900 c. 44 × 100 = 4400d. 17 × 100 = 1700 e. 33 × 100 = 3300 f. 77 × 100 = 7700
2. Multiply and write the products in the boxes :
Ans. a. 10 × 22 = 220 b. 20 × 13 = 260c. 50 × 15 = 750 d. 60 × 3 = 180
MCQsTick (3) the correct answer :
Ans. 1. ii 2. iii 3. i 4. iv 5. ii
Exercise 6.3
Find the product :
a. b. c. d. e.2 1
× 2
4 2
T O2 2
× 3
6 6
T O1 2
× 4
4 8
T O1 1
× 5
5 5
T O1 3
× 3
3 9
T O
Mathematics-3 32
f. g. h. i. j.
Exercise 6.4
Find the product :
a. b. c. d. e.
f. g. h. i. j.
Exercise 6.5
1. Find the product :
Ans. a. b. c. d.
e. f. g.
2. Write the missing numerals :
Ans. a. b. c.
d. e. f.
2 4
× 2
4 8
T O2 0
× 4
8 0
T O3 3
× 3
9 9
T O1 3
× 2
2 6
T O3 2
× 2
6 4
T O
2 5
× 3
7 5
T O1
2 7
× 4
10 8
T O2
3 5
× 6
21 0
T O3
4 3
× 6
25 8
T O1
4 8
× 5
24 0
T O4
7 5
× 7
52 5
T O3
4 9
× 8
39 2
T O7
1 6
× 7
11 2
T O4
1 8
× 4
7 2
T O3
3 3
× 5
16 5
T O1
1 7 3
× 4
6 9 2
T OH11
1 6 7
× 2
3 3 4
T OH11
2 5 7
× 3
7 7 1
T OH21
2 6 9
× 2
5 3 8
T OH11
3 0 9 3
× 3
9 2 7 9
T OHTh2
1 0 2 3
× 9
9 2 0 7
T OHTh2 2
1 3 3 9
× 6
8 0 3 4
T OHTh2 2 5
T OH
5 0 6
× 5
2 5 3 0
T OH1
3 3 3
× 5
1 6 6 5
T OH
2 6 4
× 4
1 0 5 6
T OH2
4 8 9
× 3
1 4 6 7
2T OH1
4 6 2
× 9
4 1 5 8
T OH1
5 6 2
× 7
3 9 3 4
4
Mathematics-3 32
Exercise 6.6
1. Find the product :
Ans. a. b. c. d.
e. f. g. h.
i. j. k. l.
2. Multiply the following :
Ans. a. 34 × 79 = 2686 b. 71 × 71 = 5041 c. 91 × 24 = 2184d. 72 × 21 = 1512 e. 86 × 12 = 1032 f. 27 × 45 = 1215g. 55 × 71 = 3905 h. 23 × 48 = 1104 i. 66 × 11 = 726
Exercise 6.7Find the product :
Ans. a. b. c. d.
e. f. g. h.
1 5
× 2 7
1 0 5
3 0 ×
4 0 5
T OHTh3
4 2
× 5 3
1 2 6
2 1 0 ×
2 2 2 6
T OHTh
3 9
× 9 2
7 8
3 5 1 ×
3 5 8 8
T OHTh1
2 4
× 2 7
1 6 8
4 8 ×
6 4 8
T OHTh2
7 2
× 5 0
0 0
3 6 0 ×
3 6 0 0
T OHTh1
6 7
× 6 5
3 3 5
4 0 2 ×
4 3 5 5
T OHTh3
4 2
× 3 8
3 3 6
1 2 6 ×
1 5 9 6
T OHTh1
2 4
× 3 9
2 1 6
7 2 ×
9 3 6
T OHTh3
5 4
× 3 5
2 7 0
1 6 2 ×
1 8 9 0
T OHTh2
4 2
× 5 7
2 9 4
2 1 0 ×
2 3 9 4
T OHTh1
6 1
× 3 9
5 4 9
1 8 3 ×
2 3 7 9
T OHTh
4 1
× 3 4
1 6 4
1 2 3 ×
1 3 9 4
T OHTh
2 1 9× 1 24 3 8
2 1 9 ×2 6 2 8
T OHTh1
1 7 6× 2 58 8 0
3 5 2 ×4 4 0 0
T OHTh3
1 5 2× 2 46 0 8
3 0 4 ×3 6 4 8
T OHTh2
2 6 2× 1 6
1 5 7 22 6 2 ×4 1 9 2
T OHTh13
1 4 2× 1 22 8 4
1 4 2 ×1 7 0 4
T OHTh
4 2 3× 1 4
1 6 9 24 2 3 ×5 9 2 2
T OHTh1
1 7 9× 2 00 0 0
3 5 8 ×3 5 8 0
T OHTh1
3 1 2× 3 00 0 0
9 3 6 ×9 3 6 0
T OHTh
Mathematics-3 32
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. iii 3. i 4. ii 5. iii
Exercise 6.8
1. 2. 3.
Children send Packets have He buys 1080940 cards 1428 balloons bananas
4. 5.
Boxes have 420 eggs. ` 8100 is the total cost of one dozenalmirah
Towards The Lab
Do Yourself
Exercise 7.1
For each of the following multiplication facts, write both the division facts :
Ans. a. 7 × 9 = 63 63 ÷ 7 = 963 ÷ 9 = 7
b. 6 × 5 = 30 30 ÷ 6 = 530 ÷ 5 = 6
c. 3 × 4 = 12 12 ÷ 3 = 412 ÷ 4 = 3
d. 8 × 4 = 32 32 ÷ 8 = 432 ÷ 4 = 8
Exercise 7.2
1. Fill in the boxes :
Ans. a. 51 ÷ 51 = 1 b. 44 ÷ 0 = cannot be donec. 16 ÷ 0 = cannot be done d. 0 ÷ 45 = 0e. 37 ÷ 1 = 37 f. 0 ÷ 97 = 0g. 45 ÷ 45 = 1 h. 0 ÷ 39 = 0i. 66 ÷ 66 = 1
4 7× 2 0
0 09 4 ×9 4 0
5 2× 2 42 0 8
1 0 4 ×1 2 4 8
3 6× 3 0
0 01 0 8 ×1 0 8 0
1 2× 3 5
6 03 6 ×4 2 0
6 7 5× 1 2
1 3 5 06 7 5 ×8 1 0 0
Division7
Mathematics-3 32
2. Divide by long division method and verify the answer :
Ans. a. b. c. d.
D = Q × D + R D = Q × D + R D = Q × D + R D = Q × D + R = 6 × 4 + 0 = 9 × 5 + 0 = 7× 3 + 0 = 3 × 4 + 0 = 24 = 45 = 21 = 27 = dividend = dividend = dividend = dividende. f. g. h.
D = Q × D + R D = Q × D + R D = Q × D + R D = Q × D + R = 8 × 4 + 0 = 6 × 7 + 0 = 9× 9 + 0 = 5 × 5 + 0 = 32 = 42 = 81 = 25 = dividend = dividend = dividend = dividend
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. i 3. ii 4. ii 5. iii
Exercise 7.3
1. Divide and check your answer :
Ans. a. b. c.
Check : 2 × 28 + 0 Check : 2 × 34 + 0 Check : 3 × 13 + 0= 56 = dividend = 68 = dividend = 39 = dividend
2. Divide and fill in the boxes :
Ans. a. b. c.
Quotient = 25 Quotient = 13 Quotient = 31Remainder = 1 Remainder = 3 Remainder = 1
424
– 240
65
45– 45
0
93
21– 21
0
79
27– 27
0
3
432
– 320
87
42– 42
0
69
81– 81
0
95
25– 25
0
5
2856
– 416
–160
02
3468
– 68
–80
02
1339
– 39
–90
03
2576
– 616
–151
03
1355
– 415
–123
04
3194
– 94
–31
03
Mathematics-3 32
Exercise 7.4
1. Divide the following and check your answer :
Ans. a. b. c.
Check : 2 × 312 + 0 Check : 2 × 241 + 0 Check : 2 × 120 + 0= 624 = d = 482 = d = 240 = d
d. e. f.
Check : 3 × 121 + 0 Check : 4 × 212 + 0 Check : 3 × 322 + 0= 363 = d = 848 = d = 966 = d
2. Divide and check your answer :
Ans. a. b. c.
Quotient = 62 Quotient = 64 Quotient = 89Remainder = 1 Remainder = 2 Remainder = 1
d. e. f.
Quotient = 76 Quotient = 106 Quotient = 33Remainder = 2 Remainder = 2 Remainder = 6
312624
– 62
– 24
– 40
000
02
241482
– 48
– 82
– 20
000
02
120240
– 24
– 40
– 00
000
02
121363
– 36
– 63
– 30
000
03
212848
– 84
– 48
– 80
000
04
325966
– 96
– 66
– 60
000
03
62497
– 4817
–161
08
64386
– 3626
–242
06
82179
– 1619
–181
02
76306
– 2826
–242
04
106532
– 532
–302
005
33237
– 2127
–216
07
Mathematics-3 32
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. ii 3. iii 4. i
Exercise 7.5
1. Divide the following :
Ans. a. b. c.
Check : 2 × 1057 + 0 Check : 5 × 341 + 0 Check : 8 × 232 + 0= 2114 = d = 1705 = d = 1856 = d
2. Find out the quotient and the remainder and check your answer :
Ans. a. b. c.
Quotient = 447 Quotient = 539 Quotient = 965Remainder = 2 Remainder = 3 Remainder = 2
Exercise 7.6
Write the quotient and the remainder of the following without actual division :
Ans. a. 50 ÷ 10 Quotient = 5 Remainder = 0
b. 3210 ÷ 100 Quotient = 32 Remainder = 10
c. 1205 ÷ 10 Quotient = 120 Remainder = 5
d. 4219 ÷ 10 Quotient = 421 Remainder = 9
e. 643 ÷ 100 Quotient = 6 Remainder = 43
f. 1000 ÷ 10 Quotient = 100 Remainder = 0
g. 375 ÷ 100 Quotient = 3 Remainder = 75
h. 8009 ÷ 100 Quotient = 80 Remainder = 9
10572114
– 211
– 1014
– 140
0000
02
3411705
– 1520
– 205
– 50
000
05
2321856
– 1625
– 2416
– 160
000
08
4471790
– 1619
– 1630
– 282
0000
4539
3776– 35
27– 21
66– 63
3
000
07
9652897
– 2719
– 1817
– 152
000
03
Mathematics-3 32
Exercise 7.7
1. 2. 3.
64 packets 251 flowers 5 sticks will be left4. 5. 6.
There are 24 seats each group get 90 books would bein each row. 50 toffees. kept in one row.
7.
558 kg is mass of each container.
MCQs
Tick (3) the correct answer :
Ans. 1. iii 2. ii 3. i 4. ii
Towards The Lab
Do yourself
64512
– 4832
–320
08
62325
– 3025
–205
010
2512008
– 1640
– 408
– 80
000
08
24216
– 1836
–360
09
50450
– 450
–00
09
90540
– 540
–00
06
5582790
– 2529
– 2540
– 400
000
05
Fractions8
Exercise 8.1
1. Tick (3) the shapes that show part is shaded :
Ans. a. b. c.
d. e. f.
12
3
3 3
Mathematics-3 32
2. Colour one-half in each of the following :
Ans. a. b. c. d.
e. f. g. h.
3. Colour to show one-third in the following :
Ans. a. b. c.
4. Ring the shapes where 2/3 part is shaded :
Ans. a. b. c. d.
5. Tick (3) the figures that are divided into four equal parts :
Ans. a. b. c.
d. e. f.
6. Colour to show three-fourths in the following :
Ans. a. b. c.
d. e. f.
33
3 3
Mathematics-3 32
Exercise 8.2
Write the fraction for the shaded part in each figure :
Ans. a. — b. — c. —
d. — e. — f. —
Exercise 8.3
Colour to show the fraction :
Ans. a.
b.
c.
d.
e.
Exercise 8.4
Find :
Ans. a. 18 ÷ 2 = 9 b. 15 ÷ 5 = 3 c. 20 ÷ 4 = 5d. 21 ÷ 3 = 7 b. 33 ÷ 3 = 11 c. 34 ÷ 2 = 17
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. i 3. iii 4. iv
Exercise 8.5
1. Write in words :
Ans. a. two by five b. three by seven c. two by fived. three by seven e. two by five f. three by seven
2. Write the fractions for the following :
Ans. a. — b. — c. — d. — e. — f. —
3. Circle the fractions in which the numerator is 5 :
Ans. — , — , — , — , — , — , — , —
4. Circle the fractions in which denominator is 9 :
Ans. — , — , — , — , — , — , —
5. Write the numerator and denominator of each of the following fractions :
Ans. a. numerator = 3 denominator = 8b. numerator = 6 denominator = 17
14
24
34
12
512
36
12
23
13
14
34
15
89
79
47
13
56
57
79
89
56
45
45
13
58
29
59
13
47
49
79
56
26
56
79
59
35
55
Mathematics-3 32
c. numerator = 2 denominator = 15d. numerator = 6 denominator = 19
6. Write the fraction in which :
Ans. a. — b. — c. — d. —
Exercise 8.6
1. Put ‘>’ or ‘<’ sign in between each pair of fractions :
Ans. a. — < — b. — > — c. — < —
d. — > — e. — > — f. — < —
2. Circle the greatest fraction in each group :
Ans. a. — , — , — b. — , — , — c. — , — , —
d. — , — , — e. — , — , — f. — , — , —
3. Circle the smallest fraction in each group :
Ans. a. — , — , — b. — , — , — c. — , — , —
d. — , — , — e. — , — , — f. — , — , —
4. Arrange these fractions in ascending order :
Ans. a. —, —, —, —, — b. —, —, —, —, — c. —, —, —, —, —
5. Arrange these fractions in descending order :
Ans. a. —, —, —, —, — b. —, —, —, —, — c. —, —, —, —, —
MCQs
Tick (3) the correct answer :
Ans. 1. iii 2. ii 3. i
27
87
38
79
513
910
410
29
89
511
17
19
13
45
35
25
713
1013
913
1023
1021
1017
57
59
511
727
1127
1927
23
25
27
311
313
314
27
57
67
513
913
1013
617
717
817
1920
1921
1922
15
25
35
45
55
19
17
16
15
17
27
26
25
24
23
74
64
44
34
14
67
69
610
611
613
711
715
717
719
732
Geometry9
Exercise 9.1
1. Fill each box in a suitable way :
Ans. a. Rectangles b. Circle
2. How many squares do you see in these figures?
Ans. a. 5 b. 5 c. 6
3. How many triangles do you see in these figures?
Ans. a. 4 b. 6 c. 12
Mathematics-3 32
Exercise 9.2
Look at the following objects and write :
Ans. a. b. c.
d. e. f.
Exercise 9.3
Write ‘T’ for true and ‘F’ for false :
Ans. a. T b. F c. T d. Te. T f. F g. F
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. iii 3. iii 4. iv 5. iii
Exercise 9.4
Find the perimeter of each figure :
Ans. a. 3 + 2 + 3 + 3 + 2 + 3 b. 4 + 4 + 4 + 4 + 4= 16 cm = 16cm
c. 3 + 3 + 3 + 3 + 3 d. 2 + 4 + 2 + 2 + 4 + 2= 15 cm = 16 cm
e. 3 + 6 + 3 + 6 f. 5 + 8 + 5 + 8= 18 cm = 26 cm
Exercise 9.5
1. Find out the perimeters of the following rectangles whose sides are given below :
Ans. a. 2 × (4 + 2) b. 2 × (7 + 5)= 2 × 6 = 12 cm = 2 × 12 = 24 cm
2. Find out the perimeter of the squares whose sides are given below :
Ans. a. 15 cm b. 16 cm 4 × 15 = 60 cm 4 × 16 = 64 cm
c. 3 cm d. 12.6 cm 4 × 3 = 12 cm 4 × 12.6 = 50.4 cm
3. Find out the perimeter of the triangle ABC when :
Ans. a. AB = 3 cm, BC = 7 cm, CA = 5 cm = 3 + 7 + 5 = 15 cm
b. AB = 6 cm, BC = 8 cm, CA = 10 cm= 6 + 8 + 10 = 24 cm
B P B
P C C
Mathematics-3 32
4. A rectangle has a perimeter of 34 cm. If its length is 9 cm, what is its breadth?
Ans. P = 2 × (L + B)34 = 2 × (9 + b)
18 + 2b = 342b = 34 – 182b = 16 cm
5. A square has a perimeter of 36 cm. What is the length of each side?
Ans. P = 4 × side 36 = 4 × sideside = 36 ÷ 4side = 9 cm
6. Find the perimeter of each triangle :
Ans. a. 3 + 3 + 3 b. 2 + 4 + 3 c. 5 + 3 + 4= 9 cm = 9 cm = 12 cm
Exercise 9.6
Given below are some symmetrical figures. Draw a line of symmetry in each figure :
Ans. a. b. c.
d. e. f.
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. iii
A OBM
Patterns10
Exercise 10
1. Observe the following numbers and find their pattern. Then fill in the missing numbers.
Ans.
1 2 3 4
53 7
8 12
20
Mathematics-3 32
2. Find the pattern and fill in the boxes :
Ans. a. b.
3. a. b.
4. Find the patterns of numbers in each of the following, then fill in the missing places :
Ans. a. b.
5. Find the pattern and fill in the circles and the boxes :
Ans. a. b.
6. Write the missing numbers in the boxes :
Ans. a. 10 21 11 23 12 25 13 28 15 31 16 33 17
b. 5 1 6 2 8 3 11 4 15 5 20 6 26
c. 8 12 16 20 24 28 32 36 40 44 48 52 56
d. 7 5 12 10 22 15 37 20 57 25 82 30 112
7. Study the pattern and fill in the missing terms. The first one is done for you :
109
19 12
46 11
7
710 18
5 1116
5 2
514 6
9
139 7
11
3
2 6
5 4 1
4
3 2
5 1 6
1410
18
6
1
758
9
3
2
165
710
4
16
9116
14
8
12
2
324 8
24
6
50
18
24
3
305 6
20
4
42
12
18
3
2 86
104
1216
20
3 6
51
42
15 12
7 8
51
42
11 10
4 5
11
78
2
6
9
a. b. c.
Mathematics-3 32
8. Study the pattern and fill in the missing numbers. The first one is done for you :
Ans. a. b.
MCQs
Tick (3) the correct answer :
Ans. 1. i 2. 3. ii 4. ii 5. ii
Towards The Lab
Do yourself
28 10
276
5 3
24
930
52
8 10
276
5 3
24
930
5
Measurement11
Exercise 11.1
1. Which of the following lengths are supposed to be true?
Ans. a. F b. F c. T d. F
2. Which of these will be in, centimetres and which will be in metres?
Ans. a. cm b. m c. cm d. cm
3. Measure and write the lengths of the given lines :
Ans. a. 4.8 cm b. 6.9 cm c. 5.5 cmd. 1.5 cm e. 13.7 cm
Exercise 11.2
1. Convert the following into cm :
Ans. a. 8 m 3 cm b. 19 m 43 cm c. 65 m 80 cm (8 ×100) + 3 (19 × 100) + 43 (65 × 100) + 80= 803 cm = 1943 cm = 6580 cm
d. 8 m 53 cm e. 10 m 15 cm f. 15 m 18 cm (8 ×100) + 53 (10 × 100) + 15 (15 × 100) + 18= 855 cm = 1015 cm = 1518 cm
2. Convert the following into m :
Ans. a. 5 km 100 m b. 1 km 101 m c. 4 km 802 m(5 ×1000) + 100 (1 × 1000) + 101 (4 × 1000) + 802= 5100 m = 1101 m = 4802 m
d. 9 km 520 m e. 8 km 46 m f. 6 km 353 m(9 ×1000) + 520 (8 × 1000) + 46 (6 × 1000) + 353= 9520 m = 8046 m = 6353 m
Mathematics-3 32
Exercise 11.3
1. How many kilometres are there in?
\Ans. [ 1000 m = 1 km]a. 7000 m b. 40000 m c. 90000 m
= 7 × 1000 m = 40 × 1000 m = 90 × 1000 m= 7 km = 40 km = 90 km
2. How many metres are there in?
\Ans. [ 100 cm = 1 m]a. 600 cm b. 400 cm c. 1000 cm
= 6 × 100 cm = 4 × 100 cm = 10 × 100 cm= 6 m = 4 m = 10 m
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. ii 3. iv 4. ii 5. iii
Exercise 11.4
1. 2. 3.
4. 5. 6.
Total length of cloth He runs 152.39 m. Total length of cords isis 64 m 64 cm. 85 m 40 cm.
Exercise 11.5
1. 2. 3.
4. 5.
Wire left on the roll = 75 m Monu is 28 cm taller thanhis brother.
2 6 2 1
1 2 8 5
3 9 0 6
+
m cm1
1 3 5 7
1 5 5 2
2 9 0 9
+
m cm1
6 2 1 5
1 2 7 5
7 4 9 0
+
m cm
2 5 6 5
5 9 7 5
8 5 4 0
+
m cm9 6 6 5
5 5 7 4
5 2 3 9
+
m cm3 7 9 5
2 6 6 9
6 4 6 4
+
m cm
1 3 3 7 5
1 2 1 6 2
0 1 2 1 3
–
km m
1 4 4 6 2
1 2 1 7 5
0 2 1 8 7
–
km m
3
2
125
15
1 3 5 6 2
1 1 1 7 5
2 3 8 7
–
km m
4 125
15
1 7 5
1 4 7
2 8
–
m cm156
2 5 0
1 7 5
0 7 5
–m
1041
14
Mathematics-3 32
6. 7.
Left cloth is 21 m 01 cm Left thread with her is11 m 18 cm
Exercise 11.6
Tick (3) the unit you use to weigh the following :
Ans. a. b. c. d.
e. f. g. h.
Exercise 11.7
1. Convert the following into ‘g’ :
Ans. a. 70 kg b. 44 kg= 70 × 1000 = 44 × 1000= 70000 = 44000
c. 80 kg d. 200 kg= 80 × 1000 = 200 × 1000= 80000 = 200000
2. Convert the following into ‘g’ :
Ans. a. 3 kg 725 g b. 14 kg 92 g= (3 × 1000) + 725 = (14 × 1000) + 92= 3725 = 14092
c. 4 kg 312 g d. 70 kg 76 g= (4 × 1000) + 312 = (70 × 1000) + 76= 4312 = 70076
3. Convert the following into ‘kg’ and ‘g’ :
Ans. a. 56439 g b. 7245 g
= 56 kg 439 g = 7 kg 245 g
3 6 8 6
1 5 8 5
2 1 0 1
–
m cm
1 6 3 0
5 1 2
1 1 1 8
–
m cm102
kg/g kg/g kg/g kg/g
kg/g kg/g kg/g kg/g
3 3 33
3 3 3 3
5656439
– 50006439
–6000439
01000
77245
– 7000245
1000
Mathematics-3 32
c. 2718 g d. 5694 g
= 2 kg 718 g = 5 kg 694 g
Exercise 11.8
Add the following :
Ans. 1. 2. 3.
Exercise 11.9
Subtract the following :
Ans. 1. 2. 3.
4. 5. 6.
Now, total weight of Total weight of tin with Kavi’s weight is less bybox is 1 kg 410 g. ghee is 2 kg 550 g. 2 kg than Ravi.
MCQs
Tick (3) the correct answer :
Ans. 1. iii 2. iii 3. ii 4. iii 5. ii
Exercise 11.10
1. Convert the following into ml :
Ans. a. 5 l 276 ml b. 6 l 250 ml= (5 ×1000) + 276 = (6 ×1000) + 250= 5276 ml = 6250 ml
2. Convert the following into l and ml :
Ans. a. 7649 ml b. 1245 ml= (7 × 1000) + 649 = (1 × 1000) + 245= 7 l 649 ml = 1 l 245 ml
c. 4567 ml d. 9320 ml= (4 × 1000) + 567 = (9 × 1000) + 320= 4 l 567 ml = 9 l 320 ml
22718
– 2000718
10005
5694– 5000
694
1000
7 1 1 0
8 6 3 0
1 5 7 4 0
+
kg g7 1 2 5
5 6 2 0
1 2 7 4 5
+
kg g7 6 3 0
8 1 3 0
1 5 7 6 0
+
kg g
5 5 3 2 1
5 0 1 2 1
5 2 0 0
–
kg g4 7 3 9 7
4 2 1 6 2
5 2 3 5
–
kg g7 6 4 1 2
7 0 1 0 0
6 3 1 2
–
kg g
3 8 7 0 0
3 6 7 0 0
2 0 0 0
–
kg g1 3 5 0
1 2 0 0
2 5 5 0
–
kg g1 5 5
5 5
1 4 1 0
0
0–
kg g
Mathematics-3 32
Exercise 11.11
1. 2. 3.
4. 5.
Total amount of water is Total milk he purchases 4 l 200 ml801 l 330 ml
MCQs
Tick (3) the correct answer :
Ans. 1. iii 2. iii 3. ii 4. ii
Exercise 11.12
1. Find out the difference of the following after conversion :
Ans. a. 21 l 631 ml and 9 l 5 ml b. 13 l 231 ml and 13 l 5 ml21 l 631 ml = 21631 ml 13 l 231 = 13231 ml9 l 5 ml = 9005 ml 13 l 5 = 13005 ml
= 12 l 626 ml = 226 mlc. 35 l 50 ml and 34 l 14 ml d. 112 l 37 ml and 17 l 205 ml
35 l 50 ml = 35050 ml 112 l 37 = 112037 ml34 l 14 ml = 34014 ml 17 l 205 = 17205 ml
= 1036 ml = 94832 ml
2. Subtract :
Ans. a. b. c.
1 2 1 5 0
1 3 2 1 0
2 5 3 6 0
+
l ml1 4 7 4 0
1 2 1 3 0
2 6 8 7 0
+
l ml3 7 2 0
1 3 1 2 0
1 6 8 4 0
+
l ml
3 2 5 5 0 0
4 7 5 8 3 0
8 0 1 3 3 0
+
l ml2 5 0 0
1 7 0 0
4 2 0 0
+
l ml
2 1 6 3 1– 9 0 0 51 2 6 2 6
112111
3 5 0 5 0– 3 4 0 1 4
1 0 3 6
104
1 3 2 3 11 3 0 0 5
2 2 6
11
–
1 1 2 0 3 7– 1 7 2 0 5
9 4 8 3 2
1011100
1 5 7 3 0
1 3 1 2 0
3 6 1 0
–
l ml2 3 5 3 7
1 2 1 2 5
1 1 4 1 2
–
l ml2 5 6 2 5
2 1 1 0 3
4 5 2 2
–
l ml
Mathematics-3 32
Ans. 3.
Left petrol in the car tank is 8 l 770 ml
4. Total oil he sold Oil left with him
5. He sell 172800 ml in the evening than morning.
3 8 5 0 0
2 9 7 3 0
8 7 7 0
–
l ml172 1014
8 2 5 0
1 5 3 0 0
1 2 7 5 0
3 6 3 0 0–
l ml
9 0 0 0 0
3 6 3 0 0
5 3 7 0 0
–
l ml8
9 8 0 0 0
8 0 2 0 0
1 7 8 0 0
–
l ml7 10
Time12
Exercise 12.1
1. Write the time shown on each clock face :
Ans. a. b. c. d.
2. Draw the hour-hand and the minute-hand to show the given time :
Ans. a. b. c. d.
3. Fill in the blanks :
Ans. a. The hour-hand takes 7 hours to move from 2 to 9.
b. The minute-hand takes 10 minutes to move from 3 to 5.
c. The hour-hand takes 4 hours to move from 2 to 6.
d. The minute-hand takes 20 minutes to move from 1 to 5.
4. 60 minutes 5. 12 hours
11:38
12
6
39
12
6
39
12
6
39
12
6
39
8:21 11:40 9:06
3:27
12
6
39
12
6
39
12
6
39
12
6
39
9:16 11:37 7:03
Mathematics-3 32
Exercise 12.2
1. Fill in the boxes with am or pm :
Ans. a. pm b. am c. amd. am e. pm
2. Write these time using noon or midnight :
Ans. a. 8:30 after midnight b. 7:05 after noon c. 3:40 after noon
3. What time will it be after 5 hours?
Ans. a. 9:35 am b. 4:00 am c. 11:50 am
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. iv 3. ii 4. ii
Exercise 12.3
1. Change into seconds :
Ans. a. 8 minutes 30 seconds b. 37 minutes 27 seconds= (8 × 60) + 30 = (37 × 60) + 27= 510 seconds = 2247 seconds.
2. Change into minutes:
Ans. a. 2 hours b. 7 hours 27 minutes= 2 × 60 = (7 × 60) + 27= 120 minutes = 447 minutes
Calendar
Do yourself.
Activity
Do yourself.
Exercise 12.4
1. Days left out in January = 31 – 14 = 17Days in February = 16Total number of days = 17 + 16 = 33 days
2. Days left out in February = 28 – 17 = 11Days in March = 27 –11 = 16So, the date of her last leave = 16th March
3. Days left out in January = 31 – 7 = 24Days in February = 28Days in March = 9Total number of days = 24 + 28 + 9 = 61 days
4. Days left out in February = 28 – 5 = 23Days left out in March = 31
Mathematics-3 32
Days left out in April = 30Days left out in May = 30Days left out in June = 30Days left out in July = 17Total number of days = 23 + 31 + 30 + 31 + 30 + 17 = 162 days
5. Days left out in May = 31 – 1 = 30Days left out in June = 3Total days she stayed = 30 + 3 = 33 days
6. Days in March = 31 – 7 = 24Days in April = 40 – 24 = 16Nirmal left office on 16th April.
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. ii 3. iii 4. ii
Towards The Lab
Do yourself
Money13
Exercise 13.1
1. Express the following amounts in short form :
Ans. a. ` 0.75 b. ` 327.25 c. ` 4.75 d. ` 327.05
2. Express the following amounts in words :
Ans. a. Eight paiseb. Seventy five paisec. Rupees three and paise seventeend. Rupees twenty two and paise forty
3. Given below are some amount in words. Express them in long form :
Ans. a. 65 rupees and 30 paise b. 80 rupees and 25 paisec. 105 rupees and 75 paise d. 2 rupees and 25 paisee. 77 rupees and 75 paise
Exercise 13.2
Convert the following Rs (`) into p :
Ans. a. 12300 paise b. 6319 paise c. 16406 paise d. 1540 paisee. 12506 paise f. 95 paise g. 5530 paise h. 21035 paise
MCQs
Tick (3) the correct answer :
Ans. 1. iv 2. i 3. iii 4. i
Mathematics-3 32
Exercise 13.3
Convert the following p into ` :
Ans. a. ` 7.01 b. ` 1.75 c. ` 6.06 d. ` 62.40e. ` 0.07 f. ` 0.02 g. ` 0.15 h. ` 0.08
Exercise 13.4
1. Add after conversion:
Ans. a. ` 45.27 and ` 36.25 b. ` 34.97 and ` 28.79
= ` 81.52 = ` 63.76c. ` 32.75 and ` 96.48 d. ` 4.97 and ` 83.36
= ` 129.23 = ` 88.33
2. Add separately :
Ans. a. ` 11.12 and ` 22.34 b. ` 29.35 and ` 34.50
= ` 33.46 = ` 63.85c. ` 15.79and ` 46.06 d. ` 4.57 and ` 63.36
= ` 61.85 = ` 67.93
3. Add :
Ans. a. b. c.
d. e. f.
4 5 2 7+ 3 6 2 5
8 1 5 2
ppp
3 4 9 7+ 2 8 7 9
6 3 7 6
ppp
3 2 7 5+ 9 6 4 81 2 9 2 3
ppp
4 9 7+ 8 3 3 6
8 8 3 3
ppp
1 1 1 2+ 2 2 3 4
3 3 4 6
ppp
2 9 3 53 4 5 06 3 8 5
ppp
1 5 7 9+ 4 6 0 6
6 1 8 5
ppp
4 5 7+ 6 3 3 6
6 7 9 3
ppp
1 3 4 . 5 61 2 7 . 4 92 6 2 . 0 5
```
+
7 2 1 . 6 54 3 4 . 7 3
1 1 5 6 . 3 8
```
+
1 5 9 . 0 51 2 4 . 3 62 8 3 . 4 1
```
+
2 2 5 . 0 01 2 6 . 1 52 5 1 . 1 5
```
+
4 1 5 . 6 93 0 5 . 4 57 2 1 . 1 4
```
+
4 7 8 . 6 32 5 9 . 0 77 3 7 . 7 0
```
+
Mathematics-3 32
4. 5.
Total profit he got in 3 days = ` 630
Exercise 13.5
1. Convert and find the difference :
Ans. a. ` 78.20 and ` 19.45 b. ` 94.72 and ` 67.85
= ` 58.75 = ` 26.27c. ` 72.60 and ` 2.57 d. ` 47.84 and ` 18.97
= ` 70.03 = ` 28.87
2. Find the difference separately :
Ans. a. ` 63.78 and ` 25.80 b. ` 34.97 and ` 28.79` 63 + 78 p differ in p = 97 – 79` 25 + 80 p = 18 pdiffer in p = (100 + 78) – 80 differ in ` = (34 – 28) = ` 6
= 178 – 80 = 98 p = ` 6.18differ in ` = (63 + 1) – 25
= 64 – 25 = ` 37c. ` 15.03 and ` 21.05 d. ` 41.51 and ` 63.36
` 21 + 0.05 p ` 63 + 36 p` 15 + 0.03 p ` 41 + 51 pdiffer in p = 0.05 – 0.03 differ in p = (100 + 36) – 51
= 0.02 p = 136 – 51 = 85 pdiffer in ` = 21 – 15 differ in ` = (63 – 1) – 41
= ` 6 = ` 6.02 = ` 21 = ` 21.85
3. Subtract :
Ans. a. b. c.
1 7 5 . 7 01 5 4 . 8 03 3 0 . 5 0
```
+
1 2 01 3 03 8 06 3 0
````
+
7 8 2 0– 1 9 4 5
5 8 7 5
ppp
9 4 7 2– 6 7 8 5
2 6 8 7
ppp
16138
7 2 6 0– 2 5 77 0 0 3
ppp
4 7 8 4– 1 8 9 7
2 8 8 7
ppp
17163 14
2 4 . 3 02 2 . 1 0
2 . 2 0
```
–
5 0 . 0 02 6 . 4 52 3 . 5 5
```
–
10994
5 9 . 0 52 4 . 3 63 4 . 6 9
```
–
15918
Mathematics-3 32
d. e. f.
4. Total money any gave
Shopkeeper will return ` 16.20
5. Income exp =
Total savings in May = 1001.55
Exercise 13.6
Multiply the following :
Ans. a. b. c.
d. e. f.
g. h. i.
j. k. l.
1 0 5 . 9 79 4 . 3 61 1 . 6 1
```
–
3 1 5 . 3 67 5 . 0 5
2 4 0 . 3 1
```
–
112
2 9 . 2 51 7 . 7 01 1 . 5 5
```
–
128
4 9 . 8 03 4 . 0 08 3 . 8 0
+
1 0 0 . 0 08 3 . 8 01 6 . 2 0
+
1099
9 4 3 8 . 0 08 4 3 6 . 4 51 0 0 1 . 5 5
–
97 10
1 2 7 5× 3
3 8 2 5
` P
1 4 5 2× 2
2 9 0 4
` P
1 4 8 0× 8
1 1 8 4 0
` P
1 2 7 3× 6
7 6 3 8
` P
1 0 3 0× 9
9 2 7 0
` P
5 2 7 5× 2
1 0 5 5 0
` P
1 4 7 5× 6
8 8 5 0
` P
3 0 3 2× 6
1 8 1 9 2
` P
2 2 3 0× 6
1 3 3 8 0
` P
1 9 9 3× 4
7 9 7 2
` P
5 7 3 7× 3
1 7 2 1 1
` P
2 5 2 5× 5
1 2 6 2 5
` P
Mathematics-3 32
Exercise 13.7
1. Divide the following :
Ans. a. ` 14.75 ÷ 5 b. ` 76.82 ÷ 2 c. ` 13.65 ÷ 5
Quotient = ` 24.22 p Quotient = ` 38.41 p Quotient = ` 2.73 por ` 24.22 or ` 38.41 or ` 2.73
d. ` 96.88 ÷ 4 e. ` 48.50 ÷ 5 f. ` 82.80 ÷ 9
Quotient = ` 2.95 p Quotient = ` 9.70 p Quotient = ` 9.20 por ` 2.95 or ` 9.70 or ` 9.20
g. ` 196.72 ÷ 4 h. ` 47.90 ÷ 5 i. ` 55.00 ÷ 10
Quotient = ` 49.18 p Quotient = ` 9.58 p Quotient = ` 5.50 por ` 49.18 or ` 9.58 or ` 5.50
p`147510
4745
2525×
000
03 2 95
p`136510
3635
1515×
000
05 2 73
p`7682601616
8822×
0000000
02 38 41
p`968881616
88
88×
000000
00
04 24 22
p`485045
3535
00×
000
05 9 70
p`828081
1818
00×
000
09 9 20
p`1967216
3636
743232×
000000
00
04 49 18
p`479045
2925
4040×
000
05 9 50
p`55 050
5050
00×
00
00
010 5 50
Mathematics-3 32
j. ` 281.92 ÷ 8 k. ` 225.75 ÷ 5 l. ` 75.30 ÷ 5
Quotient = ` 35.24 p Quotient = ` 45.15 p Quotient = ` 15.06 por ` 35.24 or ` 45.15 or ` 15.06
2. Story sums :
Ans. a. Cost of 9 such pens = 6.20 × 9 = ` 55.80b. Cost of 8 such chairs = 6.20 × 9 = ` 55.80c. Cost of 5 such cold drinks = 6.7 × 5 = ` 33.50d. Cost of 8 such almirah = 672 × 8 = ` 5316e. Cost of one glass f. Each child will get
= 87.60 ÷ 6 = ` 54.60 = 765.50 ÷ 5 = ` 153.10
MCQs
Tick (3) the correct answer :
Ans. 1. ii 2. iii 3. iii 4. i
p`2819224
4140
1916
3232×
000000
00
08 35 24
p`753052525
3030×
0 00000
05 15 06
p`2257520
2525
752525×
000000
00
05 45 15
14.6087.6062724
3.63.60
0000000000
00
00
8153.10765.5052625
1515
55
00×
00.000.000.00
.00
.0000
5
Pictorial Representation of Data14
Exercise 14.1
1. The following pictograph represents the number of cars sold in particular month in five cities :
Ans. No of cars sold :Kanpur = 8 × 100 = 800 cars
Mathematics-3 32
Delhi = 6 × 100 = 600 carsMumbai = 7 × 100 = 700 carsBhopal = 4 × 100 = 400 carsKolkata = 5 × 100 = 500 carsTotal cars sold in a month = 800 + 600 + 700 + 400 + 500
= 3000 cars
2. The pictograph shown the number of books issued in a school library in 6 days of a week.
Ans. a. 10 × 10 = 100 booksb. 4 × 10 = 40 booksc. Number of books issued in a week
Monday = 4 × 10 = 40Tuesday = 4 × 10 = 40Wednesday = 4 × 10 = 40Thursday = 4 × 10 = 40Friday = 4 × 10 = 40Saturday = 4 × 10 = 40Total number of books = 40 + 20 + 40 + 70 + 100 + 20
= 290 booksd. Monday and Wednesday = 4 × 10 = 40 books
3. In a fruit market the following fruits were sold on a day. Each fruit stands for 100 fruits :
Ans. a. Number of fruits sold wereApple = 2 × 100 = 200Mango = 3 × 100 = 300Orange = 1 × 100 = 100Guava = 4 × 100 = 400Cherry = 5 × 100 = 500
b. Orange = 1 × 100 = 100c. Cherry = 5 × 100 = 500d. Total number of fruits sold were
Apple = 200Mango = 300Orange = 100Guava = 400Cherry = 500
1500
4. The following pictograph shows the number of tractors in six villages A, B, C, D, E and F :
Ans. a. Number of tractors in Village A = 6 × 10 = 60Village B = 4 × 10 = 40
00000
Village C = 9 × 10 = 90Village D = 9 × 10 = 90Village E = 2 × 10 = 20Village F = 8 × 10 = 80
b. Maximum number of tractors are in village A, C & D = 9 × 10 = 90
c. Least number of tractors is in village E = 2 × 10 = 20
d. Total number of tractors in 6 villages
Village A = 60
Village B = 40
Village C = 90
Village D = 90
Village E = 20
Village F = 80
380
5. The following pictograph represent the number of animals in a forest. If one picture stands for 10 animals then answer the questions given below :
Ans. a. Tigers and Rhinoceroses are the least = 2 × 10 = 20b. For is the maximum = 6 × 10 = 60c. Number of Elephants = 3 × 10 = 30d. Number of Deers = 3 × 10 = 30e. Number of Tigers = 2 × 10 = 20
Exercise 14.2
1. Make a frequency table for the data.
Ans.
2. Prepare a frequency table for the above data :
Ans.
0
0
0
0
0
0
Mathematics-3 32
Samosas
Chips packets
Biscuits
Popcorn
|||| |||| |||| |
|||| |||| ||
|||| ||||
|||| |||| ||
5 + 5 + 5 + 1 = 16
5 + 5 + 2 = 12
5 + 5 = 10
5 + 5 + 2 = 12
Limca
Coke
Pepsi
Mirinda
Maaza
Thums up
7 up
|||| |||| |||| |
|||| |||| ||
|||| |||| |||
|||| |||| |||| ||
|||| |||| |||| |||
|||| |||| ||||
|||| |||| |
5 + 5 + 4 + 1 = 15
5 + 5 + 2 = 12
5 + 5 + 3 = 13
5 + 5 + 5 + 2 = 17
5 + 5 + 5 + 3 = 18
5 + 5 + 4 = 14
5 + 5 + 1 = 11
Cold drinks Tally marks Frequency
3. Prepare a frequency table for the above data :
Ans.
Towards The Lab
Do yourself
Mathematics-3 32
Carrots
Brinjals
Lemons
Tomatoes
Chillies
|||| |||| ||||
|||| |||
|||| |
|||| |
|||| ||||
5 + 5 + 4 = 14
5 + 3 = 8
5 + 1 = 6
5 + 1 = 6
5 + 5 = 10
0
0
0
Vegetables Tally marks Frequency
Model Test Paper-1
A. Tick (3) the correct option :
Ans. 1. iii 2. iv 3. ii 4. iv 5. iv
B. Solve the following :
Ans. 1.
2. Descending order : 819, 690, 619, 609, 5173. Ascending order : 873, 1254, 3169, 3319, 5613, 67394. 5.
Check :121 × 4 + 0
= 484
C. Answer the following questions :
Ans. 1. 03592. 3000 + 600 + 30 + 93. 1 = 1000, 3 = 300, 6 = 60, 4 = 44. i. Two thousand one hundred ninety nine
ii. Nine thousand three hundred sixty threeiii. One thousand thirty four
5. i. XXXVII ii. LVIIIiii. XXXI iv. LXXXVII
D. Word Problems :
1. Each student will get = 540 ÷ 6 = 90 books2. Stickers pasted on 158 pages = 14 × 158 = 22123. Total fruits = 2735 + 1859 + 3456 = 8050
6 1 8 7– 2 5 6 7
3 6 2 0
2 6 3× 5 25 2 6
1 3 1 5 ×1 3 6 7 6
121484
– 48
–84
– 40
0000
4
Mathematics-3 32
Model Test Paper-2
A. Tick (3) the correct option :
Ans. 1. iv 2. ii 3. ii 4. iii 5. iii
B. Solve the following :
Ans. 1. 3976 ml = 3 × 1000 ml + 976 ml = 3 l 976 ml2. 8 min 25 sec = (8 × 60) + 25 = 480 + 25 = 505 sec3. ` 26.5 paise = (26 × 100) + 5 = 2605 paise4.
= ` 57.665. Each child will get
= ` 153.10
C. Answer the following questions :
Ans. 1.
Each stands for five students
16 76
25 20
15 70
57 66+
` p
153.10765.50
–526
– 2515
– 155
– 50
00.000.700.00
0.00.0
00
5
Class No. of Students
I
II
III
IV
Mathematics-3 32
2. Days left in Jan = 37 – 7 = 24Days left in Feb = 28Days left in Mar = 9No. of days she was on leave = 24 + 8 + 9 = 61 days
3. Do yourself
D. Word Problems :
Ans. 1. Length of each side = 36 ÷ 4 = 9 cm2. Shopkeeper should return =
3. Left petrol =38 500
29 730
8 770
–
l ml
1 0 0 . 0 0
4 9 . 8 0
5 0 . 2 0
–
9
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