Copyright@Ed2netLearning,Inc1 DIVIDING BY 8 & 9 Grade3.

copyright@Ed2netLearning,Inc 1

DIVIDING BY 8 & 9

Grade3


Hello, How are you doing?Today we are going to begin new lesson on

Division.


Related Multiplication FactRelated Multiplication Fact - Related

multiplication fact could be used to find the quotient

Example – 27 ÷ 9 = 316 ÷ 8 = 2


Related Division fact Related Division Fact- Related Division fact

can also be used to find the quotient or missing number.

Example 24 ÷ 3 = nn = 3


Divide48 ÷ 8


Find the value of n.8 x n = 24Solution:Related multiplication fact can be used to

find the missing number.8 times 3 is equal to 24Thus, n = 3


Skip – counting (Dividing by 8 and 9)Use skip-counting on the number line to find

the quotient.

Example : 40 ÷ 8

0 8 16 24 32 40

Thus, 40 ÷ 8 = 5


Use an ArrayProblem can be modeled using counters.Example –

16 ÷ 8 = 2

Number in array number of rows number in each row


There are 80 cans in all. If there are 8 groups of Cans, how many cans are there in each group?


Divide( 17 – 8) ÷ 9


Using the fact 56 ÷ 8 = 7, write the three related facts.


The table below shows the number of students taking part in various games. How many students are taking part in Soccer? Each represents 9 students.

a) 28b) 25c) 45d) 53

Game Number of students

Rugby

Soccer

Football


ASSESSMENT


1. Dividea) 72 ÷ 8 =b) 72 ÷ 9 =


2. Find the value of a.( 12 + 15) ÷ 9 = a


3. Alice travels 64 miles along a river in 8 days. She travels the same number of miles each day. How many miles did she travel each day?


4. Rachel paid $45 for 9 burgers. How much did each burger cost?


5. How many female volunteer for the Anti- pollution squad? Each represents 8 people.a) 56b) 48c) 56d) 75 Volunteer Number of persons

Male

Female


6. Which of the following numbers are not divided by 9?

36

45

19

72

77


7. A group of 8 children go to the picnic. They share 32 candies equally. How many candies did each child gets?


8. There are 36 chairs with 9 chairs in each row in a Game Show. How many rows of chairs are there?


9. George has 12 cents in his piggy bank and another 24 cents in his pocket. He divided all the cents among himself and 8 of his friend. How many cents did each person gets?


10. Morgan spend $90 in 9 days on food. How much money he would have spend everyday?


Recap• Multiplication Fact• Division Fact• Skip- counting• Use an Array• Solved Examples• Practice Problems


Well Done!Now Practice worksheets on the Lesson.

Copyright@Ed2netLearning,Inc1 DIVIDING BY 8 & 9 Grade3.

Documents

row slide

grade3 slide

inc13 assessment slide

inc4 related division

related facts

number of miles

missing number

number line