1. Area

2. To find out how much shape is inside we can count the squares.
The area of a shape is the amount of space inside it.
The area of the shape is 18cm2.

3. To work out the number of squares
The rectangle is made of 6 rows of 8 squares.
To work out the number of squares
we times 6 by 8.
Counting each square can take a long time. Does anyone know a quicker way?
The area of the shape is 48cm2.

4. We can work out the area of a rectangle
without the grid.
length
Area = length x width
width

5. Now work out the area of these rectangles.
They are not drawn to scale.
7cm
5cm
35cm2
5cm
20cm2
4cm
9cm
36cm2
12.5cm
4cm
2cm
25cm2

6. A shape that is made from other shapes is known as a composite shape.
4cm
Total area = = 72 cm2
2cm
To find the area of this shape we have to split it up into two rectangles.
4cm
Area =
4 x 10
10cm
Area =
4 x 8
8cm
40cm2
32cm2
8cm
A shape that is made from other shapes is known as a composite shape.

7. Find the area and perimeter of each of these shapes
Find the area and perimeter of each of these shapes? Your teacher will give you copy of the worksheet.
5cm
2cm
4cm
9cm
5cm
6cm
11cm
2cm
4cm
5cm
4cm
2cm
5cm
4cm
3cm
3cm
3cm
4cm
7cm
7cm
11cm

8. Total area = 45 + 20 = 65 cm2 Perimeter = 36 cm Area = Area = 4 x 5

9. Total area = 10 + 36 = 46 cm2 Perimeter = 34 cm Area = 2 x 5 10cm2

10. There is another way of doing this question.
Total area = = 65 cm2
Perimeter = 42 cm
There is another way of doing this question.
Area =
4 x 7
Area =
4 x 4
28cm2
16cm2
4cm
3cm
3cm
3cm
Area =
3 x 7
4cm
7cm
7cm
21cm2
11cm

11. Total area = 77 – 12 = 65 cm2 Perimeter = 42 cm Area = 3 x 4 12cm2

12. Well Done

13. w o r k s h e t n

14. w o r k s h e t

15. w o r k s h e t

16. w o r k s h e t f u 5cm 2cm 6cm 11cm 2cm 4cm 5cm 4cm 9cm 5cm 4cm 2cm

17. Review Name:____________________ What is the area of the moon?
_____________________cm2
What is the area of the rectangle?
_____________________cm2
What is the perimeter of the rectangle?
_____________________cm

18. What is the area of the house?
_____________________cm2
4cm
What is the area of the compound shape?
_____________________cm2
4cm
2cm
8cm
What is the perimeter of the compound shape?
_____________________cm
4cm
6cm