Math 4 · Unit 14: Area and perimeter · Cambridge Primary Maths Stage 4

Questions

1. 1. Worked example: find the area of this rectangle. Count the squares in 5s.

   • 25 cm
   • 20 cm²
   • 25 cm²
   • 10 cm²
   Check

2. 2. Join the dots carefully with a ruler. What shape have you made?

   • a triangle
   • a circle
   • a rectangle
   • a square
   Check

3. 3. The dots are joined with a ruler to make a rectangle 5 cm long and 2 cm wide. What is the perimeter of the shape?

   • 14 cm
   • 14 cm²
   • 7 cm
   • 10 cm
   Check

4. 4. How many squares are in each row of this rectangle?

   • 6
   • 9
   • 18
   • 3
   Check

5. 5. Count in 3s to find how many squares altogether: 3, 6, 9, …

   • 21
   • 9
   • 18
   • 15
   Check

6. 6. Each square of the rectangle is 1 cm wide. Which is the correct area for the rectangle?

   • 18 cm²
   • 18 mm²
   • 18 m²
   • 18 km²
   Check

7. 7. How many squares are in each row of this rectangle?

   • 20
   • 9
   • 5
   • 4
   Check

8. 8. How many squares are there in each column of this rectangle?

   • 5
   • 20
   • 4
   • 9
   Check

9. 9. Look at this rectangle. Use the words length, row and squares to complete: The ___ of the rectangle is the same as the number of ___ in a ___.

   • squares, length, row
   • length, squares, row
   • row, squares, length
   • length, row, squares
   Check

10. 10. You draw a rectangle 8 cm long and 5 cm wide on 1 cm dot paper. What is its perimeter?

    • 40 cm
    • 13 cm
    • 26 cm²
    • 26 cm
    Check

11. 11. How many squares are there in each row of this rectangle?

    • 12
    • 4
    • 8
    • 32
    Check

12. 12. Each square of this rectangle is 1 cm by 1 cm. Which is the correct area for the whole rectangle?

    • 32 cm²
    • 8 cm²
    • 32 m²
    • 28 cm²
    Check

13. 13. Complete the sentences to describe the rectangle: ___ squares in each row and ___ in each column. The rectangle is ___ cm long and ___ cm wide. ___ rows of ___ makes ___ squares altogether. The area is ___ multiplied by ___, which is ___ cm².

    • 7, 7, 7, 7, 7, 7, 49, 7, 7, 49
    • 7, 3, 7, 3, 3, 7, 10, 7, 3, 10
    • 3, 7, 3, 7, 7, 3, 21, 3, 7, 21
    • 7, 3, 7, 3, 3, 7, 21, 7, 3, 21
    Check

14. 14. Calculate the area and perimeter of this rectangle using the measurements shown. Remember to record the units.

    • area 11 m², perimeter 22 m
    • area 24 m, perimeter 22 m²
    • area 24 m², perimeter 22 m
    • area 22 m², perimeter 24 m
    Check

15. 15. Calculate the area and perimeter of this rectangle using the measurements shown. Remember to record the units.

    • area 14 km², perimeter 10 km
    • area 10 km, perimeter 14 km²
    • area 7 km², perimeter 14 km
    • area 10 km², perimeter 14 km
    Check

16. 16. Calculate the area and perimeter of this rectangle using the measurements shown. Remember to record the units.

    • area 18 mm², perimeter 36 mm
    • area 36 mm², perimeter 80 mm
    • area 80 mm, perimeter 36 mm²
    • area 80 mm², perimeter 36 mm
    Check

17. 17. Calculate the area and perimeter of this rectangle using the measurements shown. Remember to record the units.

    • area 28 cm², perimeter 49 cm
    • area 49 cm, perimeter 28 cm²
    • area 14 cm², perimeter 28 cm
    • area 49 cm², perimeter 28 cm
    Check

18. 18. You draw a rectangle 5 cm long and 4 cm wide. What are its perimeter and area?

    • perimeter 18 cm, area 9 cm²
    • perimeter 9 cm, area 20 cm²
    • perimeter 20 cm, area 18 cm²
    • perimeter 18 cm, area 20 cm²
    Check

19. 19. Work out the missing lengths without measuring. What is the perimeter of this rectangle?

    • 4 m
    • 3 m
    • 8 m
    • 6 m
    Check

20. 20. Work out the missing lengths without measuring. What is the perimeter of this rectangle?

    • 30 km
    • 54 km
    • 24 km
    • 15 km
    Check