Primary 4 Mathematics · Chapter 13 · Revision paper

Chapter 13 Revision Paper: Nets

Name:Date:Marks: / 30

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

Section A · Multiple choice 10 marks

1. Which solid has 2 flat faces and 1 curved face?1 mark

(A) cone(B) sphere(C) cylinder(D) cuboid

2. What is the name of this solid?1 mark

(A) triangular pyramid(B) triangular prism(C) cone(D) rectangular pyramid

3. Which solid is a pyramid?1 mark

(A) Solid A(B) Solid B(C) Solid C(D) Solid D

4. How many faces does this hexagonal prism have?1 mark

(A) 6(B) 8(C) 12(D) 10

5. How many edges does this pentagonal pyramid have?1 mark

(A) 6(B) 15(C) 10(D) 5

6. How many vertices does this pentagonal prism have?1 mark

(A) 7(B) 5(C) 15(D) 10

7. This cuboid is drawn on an isometric grid. How many units long is its longest edge?1 mark

(A) 5 units(B) 2 units(C) 3 units(D) 10 units

8. Which plan is a net of a cube?1 mark

(A) Net A(B) Net B(C) Net C(D) Net D

9. Which plan is a net of a square pyramid?1 mark

(A) Net A(B) Net B(C) Net C(D) Net D

10. A cuboid box is 9 cm long, 4 cm wide and 3 cm high. What is the total area of all its faces?1 mark

(A) 75 cm²(B) 108 cm²(C) 120 cm²(D) 150 cm²

Section B · Short answers 4 marks

11. Complete: a triangular pyramid has ___ faces, ___ edges and ___ vertices.1 mark

12. This triangular prism is drawn on an isometric grid. How many units high is it?1 mark

13. Is this plan a net of a cube? Write yes or no.1 mark

14. The total area of all the faces of a cube-shaped box is 384 cm². What is the area of one face?1 mark

Section C · Show your working 16 marks

15. A solid has 7 faces. One face is a hexagon and the other 6 faces are triangles. (a) Name the solid. (b) How many vertices does it have?2 marks

16. Ben has a cube and a triangular pyramid. How many edges do the two solids have altogether?2 marks

17. This cuboid is drawn on an isometric grid. Three of these cuboids are stacked one on top of another. A cube with edges of 2 units is then placed on top. How many units high is the tower?2 marks

18. Five squares of a net of a cube are shaded. One more square must be added to make a net of a cube. Which of the squares P, Q, R or S should be added?2 marks

19. A box without a lid is a cuboid 12 cm long, 7 cm wide and 5 cm high. How much cardboard is needed to make the box?2 marks

20. Ria has a piece of paper with an area of 500 cm². Can she use it to cover all the faces of a cube-shaped box with edges of 9 cm? If yes, how much paper is left over?2 marks

21. Two cubes with edges of 5 cm are glued together face to face to make a cuboid. What is the total area of all the faces of the cuboid?2 marks

22. The total area of all the faces of a cube is 216 cm². The cube is cut into 2 identical cuboids. What is the total area of all the faces of the 2 cuboids?2 marks

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