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Primary 3 Mathematics - Measurement Quiz 01 - Answer Key
Section A: Multiple Choice Questions (1 mark each)
1. B) 300 cm
1 m = 100 cm, so 3 m = 300 cm
2. B) 2,500 g
2 kg = 2,000 g, so 2 kg 500 g = 2,000 g + 500 g = 2,500 g
3. C) 1,250 ml
1 ℓ = 1,000 ml, so 1 ℓ 250 ml = 1,000 ml + 250 ml = 1,250 ml
4. C) Centimetres
Centimetres is the most appropriate unit for measuring a pencil.
5. B) 4 kg 500 g
4,500 g = 4,000 g + 500 g = 4 kg 500 g
Section B: Short Answer Questions (2 marks each)
6. 545 cm
5 m = 500 cm, so 5 m 45 cm = 500 cm + 45 cm = 545 cm
7. 3 ℓ 250 ml
3,250 ml = 3,000 ml + 250 ml = 3 ℓ 250 ml
8. 4 kg 350 g
2 kg 750 g + 1 kg 600 g = 3 kg 1,350 g = 4 kg 350 g
9. 10 m 80 cm
8 m 30 cm + 2 m 50 cm = 10 m 80 cm
10. 6 kg 800 g
6,800 g = 6,000 g + 800 g = 6 kg 800 g
Section C: Problem Solving (2 marks each)
11. 1 ℓ 550 ml
2 ℓ 400 ml = 2,400 ml
2,400 ml - 850 ml = 1,550 ml = 1 ℓ 550 ml
12. 5 kg 50 g
3 kg 200 g + 1 kg 850 g = 4 kg 1,050 g = 5 kg 50 g
13. 2 m 45 cm
4 m 25 cm - 1 m 80 cm = 3 m 125 cm - 1 m 80 cm = 2 m 45 cm
(or 425 cm - 180 cm = 245 cm = 2 m 45 cm)
14. 3,000 ml or 3 ℓ
750 ml × 4 = 3,000 ml = 3 ℓ
15. 1 kg 350 g
2 kg = 2,000 g
2,000 g - 650 g = 1,350 g = 1 kg 350 g
Marking Scheme Summary
- Section A: 5 marks (5 questions × 1 mark)
- Section B: 10 marks (5 questions × 2 marks)
- Section C: 10 marks (5 questions × 2 marks)
- Total: 25 marks
End of Answer Key