Yr 7 Unit 6 Week 2- Lesson 3

• Mathematics
• Lower Secondary (Key Stage 3)

Yr 7 Unit 6 - Week 2 - Lesson 3

 Drag the various data  onto the correct areas of the grid below to   show how 2(y + 1) = 2y + 2. 

1

2

y

2 x y = 2y

2 x 1 = 2

2y + 2 

 Drag the various data  onto the correct areas of the grid below to   show how 3(y + 2) = 3y + 6. 

2

3

y

3 x y = 3y

3 x 2= 6

3y + 2 

 Drag the various data  onto the correct areas of the grid below to   show how 6(2y -5) = 12y - 30. 

-5

6

2y

6 x -5 = -30

6 x 2y = 12y

12y - 30

 Drag the various data  onto the correct areas of the grid below to   show how 6(2y -5) = 12y - 30. 

-5

6

2y

6 x -5 = -30

6 x 2y = 12y

12y - 30

 The following grid shows the steps that can be used to expand the expression     3(n + 4).  However one step is incorrect. Your task is to identify this step and drag it to the bin.

BIN

+4

3

n

3 x n = 3n

3 x 4 = 12

3n - 12

 The following grid shows the steps that can be used to expand the expression     4(n - 3).  However one step is incorrect. Your task is to identify this step and drag it to the bin.

BIN

-4

3

n

3 x n = 3n

3 x -4 = 12

3n - 12

Select the equivalent answer to 3(4 + 5)

1. 9
2. 12
3. 15
4. 27

Select the equivalent answer to 3(4 + 5) - 12

1. 9
2. 12
3. 15
4. 27

Select the equivalent answer to 3(4 - 5) + 12

1. 9
2. 12
3. 15
4. 27

Select the equivalent answer to

3(5−2​2​​)+9

1. 9
2. 12
3. 15
4. 27

Given n = 3a, select the missing term or value to ensure that the following equation is balance: 4 + n = 2a + 4

1. a
2. 2a
3. a + 4
4. a - 4

Given n = 3a, select the missing term or value to ensure that the following equation is balance: 5a - n + 3 = a + 1

1. a + 1
2. a + 2
3. 2a + 2
4. 2a + 1

DO NOW

TITLE - Unit 6 Week 2 Lesson 3 DO NOW

INSTRUCTIONS - Write the selected questions into your exercise book and then answer them.

QUESTIONS - 1 to 4

An inequality is different to an equation in that:

NEW  LEARNING

An inequality is different to an equation in that:

1.  An equation uses the EQUAL sign i.e. 2x + 3 = 5.                                   

NEW  LEARNING

An inequality is different to an equation in that:

1.  An equation uses the EQUAL sign i.e. 2x + 3 = 5.                                 
2.  Both sides of an equation must have the SAME FINAL VALUE.      

NEW  LEARNING

An inequality is different to an equation in that:

1.  An equation uses the EQUAL sign i.e. 2x + 3 = 5.                                 
2.  Both sides of an equation must have the SAME FINAL VALUE.     
3.  An inequality uses the signs < (LESS THAN) and                             > (GREATER THAN) i.e. 2x + 3 < 5                                                                                       

NEW  LEARNING

An inequality is different to an equation in that:

1.  An equation uses the EQUAL sign i.e. 2x + 3 = 5.                                 
2.  Both sides of an equation must have the SAME FINAL VALUE.     
3.  An inequality uses the signs < (LESS THAN) and                             > (GREATER THAN) i.e. 2x + 3 < 5                                                                                      
4. The two sides of an inequality have DIFFERENT FINAL VALUES.  

NEW  LEARNING

Explain the meaning of the inequality signs < and >

1. p < 2r
2. p > 2r
3. p = 2r
4. 2r > p

1. 0
2. 1
3. 2
4. 3

Which bar model represents the inequality 3b > a + 2

1. 

INDEPENDENT STUDY

TITLE - Unit 4 Week 2 - Lesson 3 - NEW LEARNING

INSTRUCTIONS - Write down the questions in your book and then answer. Show all of your working out.

QUESTIONS - 1 to 6