Math 5 · Unit 14: Area and perimeter · Cambridge Primary Maths Stage 5

Questions

1. 1. A rectangle is 6 cm by 4 cm. What is its area?

   • 24 cm²
   • 10 cm²
   • 20 cm²
   • 24 cm
   Check

2. 2. A rectangle is 6 cm by 4 cm. What is its perimeter?

   • 20 cm
   • 20 cm²
   • 10 cm
   • 24 cm
   Check

3. 3. A square has sides of 7 m. What is its area?

   • 14 m²
   • 28 m²
   • 49 m²
   • 49 m
   Check

4. 4. A square has sides of 7 m. What is its perimeter?

   • 28 m
   • 21 m
   • 14 m
   • 49 m
   Check

5. 5. A rectangle has area 36 cm² and length 9 cm. What is its width?

   • 6 cm
   • 4 cm
   • 3 cm
   • 27 cm
   Check

6. 6. A rectangle has perimeter 30 cm and length 10 cm. What is its width?

   • 5 cm
   • 20 cm
   • 3 cm
   • 10 cm
   Check

7. 7. Which unit measures area?

   • cm²
   • ml
   • kg
   • cm
   Check

8. 8. The L-shape is made of a 5 × 2 rectangle and a 3 × 2 rectangle. What is its area?

   • 16 square units
   • 10 square units
   • 6 square units
   • 30 square units
   Check

9. 9. Two rectangles both have area 24 cm². Must they have the same perimeter?

   • Yes
   • No
   Check

10. 10. A garden is 12 m by 5 m. What is its area?

    • 17 m²
    • 60 m²
    • 34 m²
    • 60 m
    Check

11. 11. How much fence goes round a 12 m by 5 m garden?

    • 34 m
    • 24 m
    • 17 m
    • 60 m
    Check

12. 12. A square has perimeter 20 cm. What is its area?

    • 20 cm²
    • 25 cm²
    • 16 cm²
    • 100 cm²
    Check

13. 13. Which rectangle has the biggest area?

    • 9 cm by 1 cm
    • 5 cm by 5 cm
    • 8 cm by 2 cm
    • 6 cm by 3 cm
    Check

14. 14. The shape is drawn on centimetre squared paper. What is its area?

    • 16 cm²
    • 14 cm²
    • 20 cm²
    • 18 cm²
    Check

15. 15. A room is 4 m by 3 m. Carpet costs $10 per m². How much for the room?

    • $70
    • $12
    • $140
    • $120
    Check