# Yr 9 Unit4 Week 2 - Lesson 1

Yr 9 Unit4 Week 2 - Lesson 1
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Slide 1: Slide
MathematicsLower Secondary (Key Stage 3)

This lesson contains 42 slides, with interactive quizzes and text slides.

Lesson duration is: 50 min

## Items in this lesson

Yr 9 Unit4 Week 2 - Lesson 1

#### Slide 1 -Slide

If x + y = 6 select the correct answer when the equation is doubled.
A
3x + y = 18
B
x + 3y = 6
C
3x + 3y = 6
D
3x + 3y = 18

#### Slide 2 -Quiz

If x + y = 6 select the correct answer when the equation is trebled.
A
x + y = 6
B
2x + 2y = 6
C
2x + 2y = 12
D
x + y = 12

#### Slide 3 -Quiz

If 2x + 3y = 5 becomes 8x + 12y = 20, select the correct multiplying factor.
A
2
B
3
C
4
D
5

#### Slide 4 -Quiz

If 2x + 4y = 8 becomes x + 2y = 4, select the correct multiplying factor.
A
1/2
B
1/3
C
1/4
D
1/55

#### Slide 5 -Quiz

Simplify the expression a + a + 2a + 3a.
A
5a
B
3a
C
7a
D
4a

#### Slide 6 -Quiz

Explain the meaning of the word perimeter with respect to a shape.

#### Slide 7 -Mind map

Simplify the expression 3a + 5a + 8 - 5.
A
8a + 3
B
8a + 8
C
3a + 3
D
5a + 13

#### Slide 8 -Quiz

a + a + 2a + 2a
-3a - 2a + 2a + 2a
3a - a + 2a + a
5a - 4a + 3a - 2a
Drag and drop the simplified form which matches each     original expression
6a
5a
-1a
2a

#### Slide 9 -Drag question

4a + 5a + 2b + 6b
4a + 5b - 2b + 1a
4a - 5a + 2b + 1b
5b - 4a + 3b - 2a
Drag and drop the simplified form which matches each     original expression
8b - 6a
-1a + 3b
3b + 5a
9a + 8b

#### Slide 10 -Drag question

Write down the expression for the perimeter of an equilateral triangle with side b + 4.
A
b + 4
B
3b + 12
C
b + 12
D
3b + 4

#### Slide 11 -Quiz

Write down the expression for the perimeter of a square with side 2n + 1.
A
2n + 1
B
2n + 4
C
8n + 1
D
8n + 4

#### Slide 12 -Quiz

DO NOW
TITLE - Unit 4 Week 2 Lesson 1 - DO NOW

INSTRUCTIONS - Write down the questions in your exercise book and then answer them.

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timer
5:00

#### Slide 15 -Slide

TITLE - Unit 4 Week 2 Lesson 1 - TALK TASK

INSTRUCTIONS - Write down the questions in your exercise book and then answer them.

QUESTIONS  a.  3p + q    = 17                      b.   4p  - q    =   25
4p + 3q =  21                           -4p + 3q = -27

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timer
4:00

#### Slide 16 -Slide

QUESTIONS  a.  3p + q    = 17                      b.   4p  - q    =   25
4p + 3q =  21                           -4p + 3q = -27
7p + 4q = 38

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#### Slide 17 -Slide

QUESTIONS  a.  3p + q    = 17                      b.   4p  - q    =   25
4p + 3q =  21                           -4p + 3q = -27
7p + 4q = 38                            0p + 2q = -2

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#### Slide 18 -Slide

QUESTIONS  a.  3p + q    = 17                      b.   4p  - q    =   25
4p + 3q =  21                           -4p + 3q = -27
7p + 4q = 38                                       2q = -2

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#### Slide 19 -Slide

NEW LEARNING
TITLE - Unit 4 Week 2 Lesson 1 - NEW LEARNING

INSTRUCTIONS - Write down the highlighted notes in your exercise book.

#### Slide 21 -Slide

5 + 5
-5 + 5
5 - 5
-5 - 5
Drag and drop the correct answer for each of addition and subtraction combinations of 5
0
10
0
-10

#### Slide 22 -Drag question

Select the correct answer to the calculation -7 + 7
A
-14
B
14
C
0
D

#### Slide 23 -Quiz

Select the correct answer to the calculation -7 + 7
A
-14
B
14
C
0
D

#### Slide 24 -Quiz

Select the correct answer to the calculation 7 + -7
A
0
B
14
C
-14
D

#### Slide 25 -Quiz

Select the correct answer to the calculation 7 - +7
A
1
B
14
C
-14
D

A
6t = 24
B
4t = 6
C
4t - 4q = 6
D
6t + 4q = 24

#### Slide 27 -Quiz

Combinations of Adding and Subtracting                   the Same Value
5 + -5 = 0

3a + -3a = 0

2ab + -2ab =  0
-5 + 5 = 0

-3a + 3a = 0

-2ab + 2ab =  0
5 - +5 = 0

3a - +3a = 0

2ab - +2ab =  0

A
5f = 46
B
7f = 14
C
6e + 5f = 46
D
6e + 7f = 14

A
5f = 46
B
7f = 14
C
6e + 5f = 46
D
6e + 7f = 14

#### Slide 34 -Slide

INDEPENDENT STUDY
TITLE - Unit 4 Week 2 Lesson 1 - INDEPENDENT STUDY
INSTRUCTIONS - Write down the questions in your exercise book and then answer them.