Yr 9 Unit4 Week 2 - Lesson 1

• Mathematics
• Lower Secondary (Key Stage 3)

Yr 9 Unit4 Week 2 - Lesson 1

If x + y = 6 select the correct answer when the equation is doubled.

1. 3x + y = 18
2. x + 3y = 6
3. 3x + 3y = 6
4. 3x + 3y = 18

If x + y = 6 select the correct answer when the equation is trebled.

1. x + y = 6
2. 2x + 2y = 6
3. 2x + 2y = 12
4. x + y = 12

If 2x + 3y = 5 becomes 8x + 12y = 20, select the correct multiplying factor.

1. 2
2. 3
3. 4
4. 5

If 2x + 4y = 8 becomes x + 2y = 4, select the correct multiplying factor.

1. 1/2
2. 1/3
3. 1/4
4. 1/55

Simplify the expression a + a + 2a + 3a.

1. 5a
2. 3a
3. 7a
4. 4a

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

Simplify the expression 3a + 5a + 8 - 5.

1. 8a + 3
2. 8a + 8
3. 3a + 3
4. 5a + 13

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

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

Write down the expression for the perimeter of an equilateral triangle with side b + 4.

1. b + 4
2. 3b + 12
3. b + 12
4. 3b + 4

Write down the expression for the perimeter of a square with side 2n + 1.

1. 2n + 1
2. 2n + 4
3. 8n + 1
4. 8n + 4

DO NOW

TITLE - Unit 4 Week 2 Lesson 1 - DO NOW

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

QUESTIONS  Answer ALL 4 questions

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TALK TASK

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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ANSWERS

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

                                 4p + 3q =  21                           -4p + 3q = -27

                                  7p + 4q = 38 

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ANSWERS

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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ANSWERS

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

                                 4p + 3q =  21                           -4p + 3q = -27

                                  7p + 4q = 38                                       2q = -2  

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NEW LEARNING

TITLE - Unit 4 Week 2 Lesson 1 - NEW LEARNING

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

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

Select the correct answer to the calculation -7 + 7

1. -14
2. 14
3. 0
4. No of these answers

Select the correct answer to the calculation -7 + 7

1. -14
2. 14
3. 0
4. No of these answers

Select the correct answer to the calculation 7 + -7

1. 0
2. 14
3. -14
4. No of these answers

Select the correct answer to the calculation 7 - +7

1. 1
2. 14
3. -14
4. No of these answers

1. 6t = 24
2. 4t = 6
3. 4t - 4q = 6
4. 6t + 4q = 24

               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

1. 5f = 46
2. 7f = 14
3. 6e + 5f = 46
4. 6e + 7f = 14

1. 5f = 46
2. 7f = 14
3. 6e + 5f = 46
4. 6e + 7f = 14

INDEPENDENT STUDY

TITLE - Unit 4 Week 2 Lesson 1 - INDEPENDENT STUDY

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

QUESTIONS  Answer ALL questions