1 www.talkingmaths.com P6/PSLE/Ex4

PSLE Revision 4

1. Find the value of

÷ 21.

Ans: _________________________

2. Express 25 cm as a fraction of 5 m.

Ans: _________________________

3. 6 : 16 = 15 :

Find the missing number in the box.

Ans: _________________________

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4. Find the value of 5a – 9b² + 5c when a = 8, b = 2 and c = 16.

Ans: _________________________

5. Joshua had

l of milk. He drank

of it. How many litres of milk did he have

left?

Ans: ________________________ l

6. = 900 g

= 3 kg

= 2.8 kg +

Study the diagram above. The mass of is _____________ g.

Ans: ________________________ g

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7. What will be the area of the shaded triangle?

65 cm

25 cm

60 cm

Ans: ______________________ cm²

8. Use each of these numbers 2, 3, 5, 9 and 20 once only to make the following

equation true.

+ - = ×

9. The figure below shows a cuboid, not drawn to scale. The surface area of the

two faces are given as shown. What is the volume of the cuboid?

11 cm 66 cm² 55 cm²

Ans: ______________________ cm³

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10. In the figure below, BC is equal BD and CD is parallel to FE. Find ∠BCG.

B

50° F E

152°

G

C D

Ans: ________________________ ° 11. Claire and Jason shared a sum of money in the ratio 2 : 5. After Claire spent

$45 on a dress, the ratio became 1 : 3. How much money did Jason have? Ans: $ ________________________ 12. The volume of a cube is 729 cm³. What is the total surface area of the cube?

Ans: ______________________ cm²

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13. There are twenty 10-cent coins and 50-cent coins in a box. The ratio of the number of 10-cent coins to the number of 50-cent coins in the box is 3 : 7. How much money is there in the box?

Ans: $ ________________________

14. Jill is 5x years old. Andrew is 18 years younger than Sam. Jill is 2x years older

than Andrew. Find, in terms of x, the total age of the 2 boys.

Ans: _________________ years old

15. Sharon jogged at an average speed of 5 km/h for

hours. What was the

distance she jogged? Ans: ______________________ km