Class 5 Maths — Area and perimeter
Work out the area and perimeter of a rectangle.
Name: ________________________
1.A rectangle is 5 cm long and 3 cm wide. What is its area, in square centimetres?
2.A square has sides of 6 cm. What is its perimeter, in centimetres?
3.Every rectangle here is measured in centimetres. Sort them by whether the area is below 30 square centimetres or above it.
Groups: Below 30 · Above 30
- 5 by 5
- 7 by 5
- 3 by 4
- 6 by 6
- 2 by 8
- 4 by 9
4.Every rectangle here is measured in centimetres. Which one has the largest perimeter?
- a) 3 by 9
- b) 4 by 7
- c) 2 by 6
- d) 5 by 5
5.A square has sides of 6 cm. What is its area, in square centimetres?
6.A rectangle has an area of 24 square centimetres and a length of 6 cm. How wide is it, in centimetres?
7.A rectangle is 12 cm by 7 cm. What is its area, in square centimetres?
8.A rectangle is 5 cm long and 3 cm wide. What is its perimeter, in centimetres?
Answer key — Class 5 Maths — Area and perimeter
- 1. 15
- 2. 24
- 3. 3 by 4 → Below 30; 5 by 5 → Below 30; 2 by 8 → Below 30; 6 by 6 → Above 30; 4 by 9 → Above 30; 7 by 5 → Above 30
- 4. a) 3 by 9
- 5. 36
- 6. 4
- 7. 84
- 8. 16