# Yr 7 Unit 6 Week 3 - Lesson 1

Yr 7 unit 6 Week 1 - Lesson 1
1 / 48
Slide 1: Slide
MathematicsLower Secondary (Key Stage 3)

This lesson contains 48 slides, with interactive quizzes and text slides.

Lesson duration is: 50 min

## Items in this lesson

Yr 7 unit 6 Week 1 - Lesson 1

#### Slide 1 -Slide

Starter
Calculate the following expressions:

3 + 4 x 5
3 x 4 + 5
3 x (4 + 5)
3 x 4 + 4 x 5
18 ÷ 2 + 6
18 ÷ 6 - 2
18 ÷ (3 + 6)
18 ÷ 3  + 13
timer
4:00

#### Slide 2 -Slide

What do we mean by the perimeter of a shape?

#### Slide 3 -Mind map

What Is The Perimeter Of A Shape?
The perimeter of a closed shape, meaning a shape where all the sides are linked together and there are no gaps, is the distance all the way around it.

#### Slide 4 -Slide

What Is The Perimeter Of A Shape?
The perimeter of a closed shape, meaning a shape where all the sides are linked together and there are no gaps, is the distance all the way around it.
From some starting point, it is the distance all the way around it until we get back to this point.

#### Slide 5 -Slide

The Perimeter Of A Square

#### Slide 6 -Slide

The Perimeter Of A Rectangle

#### Slide 7 -Slide

The Perimeter Of A Square

#### Slide 8 -Slide

The Perimeter Of A Square

#### Slide 9 -Slide

The Perimeter Of A Square

#### Slide 10 -Slide

The Perimeter Of A Square

#### Slide 11 -Slide

The Perimeter Of A Square

#### Slide 12 -Slide

The Perimeter Of A Square

#### Slide 13 -Slide

Write an expression for the perimeter p of a square with length l cm.
A
p = l
B
p = l + l
C
p = l + l + l
D
p = l + l + l + l

#### Slide 14 -Quiz

Calculate the perimeter of a square with side length 3cm.
A
12cm
B
6cm
C
81cm
D
27cm

#### Slide 15 -Quiz

Calculate the length of the side of a square whose perimeter is 20cm.
A
10cm
B
5cm
C
4cm
D
20cm

#### Slide 16 -Quiz

The Perimeter Of A Rectangle

#### Slide 17 -Slide

The Perimeter Of A Rectangle

#### Slide 18 -Slide

The Perimeter Of A Rectangle

#### Slide 19 -Slide

The Perimeter Of A Rectangle

#### Slide 20 -Slide

The Perimeter Of A Rectangle

#### Slide 21 -Slide

The Perimeter Of A Rectangle

#### Slide 22 -Slide

The Perimeter Of A Rectangle

#### Slide 23 -Slide

Write an expression for the perimeter p of a rectangle with length l cm and height h cm.
A
p = l + h
B
p = 2l + h
C
p = l + 2h
D
p = 2l + 2h

#### Slide 24 -Quiz

Calculate the perimeter of a rectangle with side length 7cm and height 3cm.
A
14cm
B
9cm
C
10cm
D
20cm

#### Slide 25 -Quiz

Calculate the length of a rectangle with height 3cm if the perimeter is 16cm.
A
3cm
B
4cm
C
5cm
D
6cm

#### Slide 26 -Quiz

Calculate the height of a rectangle with length 4cm if the perimeter is 12cm.
A
2cm
B
3cm
C
4cm
D
5cm

A
2p + 2q
B
4p + 2q
C
2p + 1q
D
6p + 6q

A
3p
B
4p
C
12p
D
16p

A
4p
B
6q
C
8q
D
12q