# Yr 7 Unit 6 Week 2- Lesson 3

Yr 7 Unit 6 - Week 2 - Lesson 3
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Slide 1: Slide
MathematicsLower Secondary (Key Stage 3)

This lesson contains 43 slides, with interactive quizzes and text slides.

Lesson duration is: 50 min

## Items in this lesson

Yr 7 Unit 6 - Week 2 - Lesson 3

#### Slide 1 -Slide

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

#### Slide 2 -Drag question

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

#### Slide 3 -Drag question

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

#### Slide 4 -Drag question

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

#### Slide 5 -Drag question

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

#### Slide 6 -Drag question

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

#### Slide 7 -Drag question

Select the equivalent answer to 3(4 + 5)
A
9
B
12
C
15
D
27

#### Slide 8 -Quiz

Select the equivalent answer to 3(4 + 5) - 12
A
9
B
12
C
15
D
27

#### Slide 9 -Quiz

Select the equivalent answer to 3(4 - 5) + 12
A
9
B
12
C
15
D
27

3(522)+9
A
9
B
12
C
15
D
27

#### Slide 11 -Quiz

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

#### Slide 12 -Quiz

Given n = 3a, select the missing term or value to ensure that the following equation is balance: 5a - n + 3 = a + 1
A
a + 1
B
a + 2
C
2a + 2
D
2a + 1

#### Slide 14 -Slide

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

#### Slide 17 -Slide

An inequality is different to an equation in that:
NEW  LEARNING

#### Slide 18 -Slide

An inequality is different to an equation in that:
1.  An equation uses the EQUAL sign i.e. 2x + 3 = 5.
NEW  LEARNING

#### Slide 19 -Slide

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

#### Slide 20 -Slide

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

#### Slide 21 -Slide

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

#### Slide 24 -Slide

Explain the meaning of the inequality signs < and >

A
p < 2r
B
p > 2r
C
p = 2r
D
2r > p

A
0
B
1
C
2
D
3

#### Slide 34 -Slide

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

#### Slide 36 -Slide

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