Primary 4 Mathematics · Chapter 12 · Revision paper

Chapter 12 Revision Paper: Area and Perimeter

Name:Date:Marks: / 30

Time: 40 minutes. Calculators are not allowed. Show your working in Section C.

Section A · Multiple choice 10 marks

1. Each square is 1 cm by 1 cm. What is the perimeter of the shaded figure?1 mark

(A) 6 cm(B) 14 cm(C) 12 cm(D) 16 cm

2. A rectangular swimming pool is 15 m long and 8 m wide. What is its perimeter?1 mark

(A) 120 m(B) 23 m(C) 46 m(D) 38 m

3. A square has a perimeter of 52 cm. What is the length of one side?1 mark

(A) 26 cm(B) 208 cm(C) 48 cm(D) 13 cm

4. A square has an area of 121 cm². What is its perimeter?1 mark

(A) 44 cm(B) 484 cm(C) 22 cm(D) 11 cm

5. A rectangle has an area of 144 m² and a breadth of 9 m. What is its length?1 mark

(A) 135 m(B) 16 m(C) 1296 m(D) 25 m

6. A rectangle has a perimeter of 54 cm and a length of 17 cm. What is its breadth?1 mark

(A) 37 cm(B) 20 cm(C) 10 cm(D) 27 cm

7. All the lines meet at right angles. What is the perimeter of the figure?1 mark

(A) 25 cm(B) 69 cm(C) 36 cm(D) 40 cm

8. A square of side 5 cm is cut out of a rectangular card 18 cm by 11 cm. What is the area of the shaded part?1 mark

(A) 173 cm²(B) 223 cm²(C) 198 cm²(D) 193 cm²

9. All the lines meet at right angles. What is the area of the T-shape?1 mark

(A) 120 cm²(B) 72 cm²(C) 96 cm²(D) 52 cm²

10. Square tiles with sides of 2 m cover a rectangular floor 14 m by 6 m. How many tiles are needed?1 mark

(A) 84 tiles(B) 42 tiles(C) 21 tiles(D) 20 tiles

Section B · Short answers 4 marks

11. A rectangle is 24 cm long and 15 cm wide. What is its area?1 mark

12. A square has an area of 169 m². What is the length of one side?1 mark

13. All the lines meet at right angles. What is the perimeter of the figure?1 mark

14. All the lines meet at right angles. What is the area of the figure?1 mark

Section C · Show your working 16 marks

15. A rectangle has an area of 135 cm² and a length of 15 cm. What is its perimeter?2 marks

16. A wire 84 cm long is bent to form a square. What is the area of the square?2 marks

17. The length of a rectangle is 4 times its breadth. Its perimeter is 70 cm. Find its area.2 marks

18. All the lines meet at right angles. A rectangle 20 cm by 12 cm has a notch cut out of one side. What is the perimeter of the figure?2 marks

19. A rectangular garden is 24 m by 15 m. A path 2 m wide runs all round inside the edge of the garden, as shown. The path is shaded. What is the area of the path?2 marks

20. A hall floor is 12 m by 9 m. It is covered with square carpet tiles with sides of 3 m. Each tile costs $20. How much do all the tiles cost?2 marks

21. The length of a rectangle is 6 cm more than its breadth. Its perimeter is 52 cm. Find its area.2 marks

22. A square has a perimeter of 48 cm. It is cut into 2 identical rectangles. The 2 rectangles are then placed side by side, end to end, to make one long rectangle. What is the perimeter of the long rectangle?2 marks

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