16 May 2022 16 May 2022 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept Algebra Algebra Tidying up terms Number Machine Solving Simple Equations www.mathsrevision.com Working with Expressions Understanding Inequalities Solving Harder Equations Solving Simple Inequalities MTH 3-14a MTH 3-15a MTH 3-15b
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3-Jun-14Created by Mr.Lafferty Maths Dept Algebra Tidying up terms Number Machine Solving Simple Equations Working with Expressions.
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10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
AlgebraAlgebra
Tidying up terms
Number Machine
Solving Simple Equations
ww
w.m
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Working with Expressions
Understanding Inequalities
Solving Harder Equations
Solving Simple Inequalities
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
Starter QuestionsStarter Questionsw
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266 % of £ 270
3Q1. Calculate
Q2. Convert 60% to fraction and simplify.
Q3. Convert
Q4. What is the time difference 09:28 and 10:50
45
to a percentage.
Q5. The answer to the question is 90. What is thequestion.
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
Aim of the LessonAim of the Lessonw
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1. Tidying up expressions.2. Show steps when tidying up.
a+2b+3a+b
Tidying Terms
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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2c c 4c+ + = 7c
2nd Row : + + =
2d 2d 3d+ + = 7d
Tidying TermsMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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3f f 2f+ + = 6f
In Total we have
7c + 7d + 6f
CANNOTTIDY UP
ANYMORE
WE CAN ONLY TIDY UP “LIKE TERMS”
Tidying TermsMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
Tidying Termsw
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WE CAN ONLY TIDY UP “LIKE TERMS”
Tidy up the following:
Q1. 2x + 4x + 5y -3y + 18 =
Q2. 4a + 3b + 5a + 6 – b =
6x + 2y + 18
9a + 2b + 6
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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Your turn !
Page 46 Exercise 1Q1 and Q2
Tidying TermsMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
Starter QuestionsStarter Questionsw
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Q2. Calculate
Q3. Round to 1 decimal place.
Q4. 12.5 % as a fraction
2 of 84
3
(a) 2.34 (b) 10.25(c) 3.23
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
Aim of the LessonAim of the Lessonw
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1. To build simple expressions.2. To UNDO simple expressions.
Number MachineNumber Machine
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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.com To build an expression from the number machine
simply follow the rules given:
aMultiply
By 44a+1Add 1
4a
7m7
MultiplyBy m
7m-2Subtract
2
Number MachineNumber MachineMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
3Multiple
by b?+9
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simply follow the rules given:
4Multiply
By 5?+3
2023
3b3b+9
Number MachineNumber MachineMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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Your turn !
Page 93 Exercise 2Q1
Number MachineNumber MachineMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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simply do the opposite of the rules given:
?Divide by
210-8
UNDO+8
1836
UNDOx2
Number MachineNumber MachineMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
?Divide by
414+9
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simply do the opposite of the rules given:
UNDO-9
520
UNDOx4
Number MachineNumber MachineMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww
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Your turn !
Page 93 Exercise 2Q3 and Q4
Number MachineNumber MachineMTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Dept
Starter QuestionsStarter Questionsw
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2. The ratio of apples to pears is 2:5.
I f there are 28 pieces of f ruit in total.
How many apples are there.
a a d a a d 1. Simplify
3. Find HCF of 8 and 18
MTH 3-14aMTH 3-15aMTH 3-15b
10 Apr 202310 Apr 2023 Created by Mr.Lafferty Maths DeptCreated by Mr.Lafferty Maths Deptww