Year 7 Maths — Perimeter and area

Find the perimeter and the area of rectangles, squares and shapes built from them, and measure area by counting squares.

Name: ________________________

1.A rectangle has a perimeter of 30 cm and a length of 9 cm. How wide is it, in centimetres? Give just the number.
2.A shape drawn on squared paper covers 12 full squares and 6 half squares. What is its area, in squares?
3.A rectangle has an area of 48 square centimetres and a length of 8 cm. How wide is it, in centimetres? Give just the number.
4.Match each square to its area.
- side 2
- side 3
- side 5
- side 6
- side 9
- 36
- 4
- 9
- 81
- 25
5.Which of these rectangles has the largest area?
- a) 7 by 4
- b) 6 by 5
- c) 8 by 3
- d) 9 by 2
6.A square has sides of 7 cm. What is its area, in square centimetres? Give just the number.
7.A rectangle is 9 cm long and 4 cm wide. What is its area, in square centimetres? Give just the number.
8.A square has sides of 7 cm. What is its perimeter, in centimetres? Give just the number.

Answer key — Year 7 Maths — Perimeter and area