Lesson 2

• Mathematics
• Lower Secondary (Key Stage 3)

Lesson 2

Explain what we mean by the area of a shape.

Explain what we mean by the area of a shape.

Starter

Simplify the following ratios. 

          

15 : 35

24 : 60

15 : 75

16 : 40

5 : 20 : 50

10 : 100 : 1000

3a : 9

24t : 60

Starter

Simplify the following ratios. 

          

15 : 35

24 : 60

15 : 75

16 : 40

3 : 7

2 : 5

1 : 5

2 : 5

5 : 20 : 50

10 : 100 : 1000

3a : 9

24t : 60

Starter

Simplify the following ratios. 

          

15 : 35

24 : 60

15 : 75

16 : 40

3 : 7

2 : 5

1 : 5

2 : 5

5 : 20 : 50

1 : 4 : 10

10 : 100 : 1000

3a : 9

a : 3

24t : 60

3t : 5

1 : 10 : 100

Would you now be able to explain what the area of a shape is?

I feel confident that I could explain what is the area of a shape

I think that I know how to explain this but I might need some help

If I had a picture of a shape I could explain what is the area

I do not understand what the area of a shape means

1. A
2. B
3. C
4. D

1. 12 square units
2. 16 square units
3. 10 square units
4. 14 square units

1. 6 square units
2. 10 square units
3. 5 and 1/2 square units
4. 4 and 1/2 square units

1. w and x
2. x and z
3. x and y
4. w and z

Starter

Calculate the following expressions

 

          

(4 x 5) ÷ 10 

(4 x 10) ÷ 5

(5 x 10) ÷ 4

10 ÷ (4 x 5)

(6 x 8) ÷ 4

(8 x 4) ÷ 16

(7 x 9) ÷ 3

(9 x 4) ÷ (2 x 6)

Starter

Calculate the following expressions

 

          

(4 x 5) ÷ 10 

(4 x 10) ÷ 5

(5 x 10) ÷ 4

10 ÷ (4 x 5)

2

8

12.5

0.5

(6 x 8) ÷ 4

(8 x 4) ÷ 16

(7 x 9) ÷ 3

(9 x 4) ÷ (2 x 6)

Starter

Calculate the following expressions

 

          

(4 x 5) ÷ 10 

(4 x 10) ÷ 5

(5 x 10) ÷ 4

10 ÷ (4 x 5)

2

8

12.5

0.5

(6 x 8) ÷ 4

12

(8 x 4) ÷ 16

(7 x 9) ÷ 3

21

(9 x 4) ÷ (2 x 6)

3

2