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Primary 5 Mathematics Multiplication Division Quiz

Free P5 Maths Multiplication Division quiz, LongCat AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 5 Mathematics AI Generated Generated by LongCat 2.0 LLM Updated 2026-08-17

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Answers

Primary 5 Mathematics Quiz - Multiplication Division

Answer Key


Section A (10 marks)

1. 345 × 6 = 2,070
    Working: 300 × 6 = 1,800; 45 × 6 = 270; 1,800 + 270 = 2,070
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.

2. 7,200 ÷ 8 = 900
    Working: 72 ÷ 8 = 9, so 7,200 ÷ 8 = 900
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.

3. 1,250 × 7 = 8,750 toys
    Working: 1,250 × 7 = 8,750
    [2 marks] — 1 mark for correct multiplication, 1 mark for correct answer with unit.

4. 4,368 ÷ 12 = 364 eggs
    Working: 4,368 ÷ 12 = 364
    [2 marks] — 1 mark for correct division, 1 mark for correct answer with unit.

5. 205 × 18 = 3,690
    Working: 205 × 18 = 205 × (20 − 2) = 4,100 − 410 = 3,690
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.


Section B (20 marks)

6. 1,234 × 25 = 30,850
    Working: 1,234 × 25 = 1,234 × 100 ÷ 4 = 123,400 ÷ 4 = 30,850
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.

7. 9,672 ÷ 12 = 806
    Working: 9,672 ÷ 12 = 806
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.

8. 36 × 128 = 4,608 textbooks
    Working: 36 × 128 = 36 × (100 + 28) = 3,600 + 1,008 = 4,608
    [2 marks] — 1 mark for correct multiplication, 1 mark for correct answer with unit.

9. 2,400 ÷ 15 = 160 full bags
    Working: 2,400 ÷ 15 = 160
    [2 marks] — 1 mark for correct division, 1 mark for correct answer with unit.

10. 4,506 × 37 = 166,722
    Working: 4,506 × 37 = 4,506 × (40 − 3) = 180,240 − 13,518 = 166,722
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.

11. 15,552 ÷ 48 = 324 bottles
    Working: 15,552 ÷ 48 = 324
    [2 marks] — 1 mark for correct division, 1 mark for correct answer with unit.

12. 3,750 × 16 = 60,000 pages
    Working: 3,750 × 16 = 3,750 × (10 + 6) = 37,500 + 22,500 = 60,000
    [2 marks] — 1 mark for correct multiplication, 1 mark for correct answer with unit.

13. 81,624 ÷ 24 = 3,401
    Working: 81,624 ÷ 24 = 3,401
    [2 marks] — 1 mark for correct method, 1 mark for correct answer.

14. 245 × 36 = 8,820 stickers
    Working: 245 × 36 = 245 × (30 + 6) = 7,350 + 1,470 = 8,820
    [2 marks] — 1 mark for correct multiplication, 1 mark for correct answer with unit.

15. 1,536 ÷ 12 = 128 crates
    Working: 1,536 ÷ 12 = 128
    [2 marks] — 1 mark for correct division, 1 mark for correct answer with unit.


Section C (20 marks)

16. (4 marks)
    Step 1: Total oranges = 15 × 288 = 4,320
    Step 2: Oranges left = 4,320 − 3,200 = 1,120 oranges
    [4 marks] — 1 mark for multiplication step, 1 mark for correct total, 1 mark for subtraction step, 1 mark for correct final answer with unit.
    Common mistake: Forgetting to subtract the oranges sold.

17. (4 marks)
    (a) 1,850 ÷ 25 = 74 boxes
    (b) 1,850 − (74 × 25) = 1,850 − 1,850 = 0 T-shirts left over
    [4 marks] — 2 marks for part (a): 1 for method, 1 for correct answer. 2 marks for part (b): 1 for method, 1 for correct answer.
    Note: 1,850 is exactly divisible by 25, so there is no remainder.

18. (4 marks)
    Step 1: Total chairs = 24 × 135 = 3,240
    Step 2: Empty chairs = 3,240 − 2,800 = 440 chairs
    [4 marks] — 1 mark for multiplication, 1 mark for correct total, 1 mark for subtraction, 1 mark for correct final answer with unit.
    Common mistake: Multiplying incorrectly (e.g., 24 × 135 = 3,240, not 3,140).

19. (4 marks)
    Step 1: Each family originally = 6,720÷16=6,720 ÷ 16 = **420**
    Step 2: Each family (12 families) = 6,720÷12=6,720 ÷ 12 = 560
    Step 3: Difference = 560560 − 420 = $140 more
    [4 marks] — 1 mark for first division, 1 mark for second division, 1 mark for subtraction, 1 mark for correct final answer with unit.
    Common mistake: Only calculating one part of the question.

20. (4 marks)
    (a) 5,000 ÷ 125 = 40 hours
    (b) 125 × 18 = 2,250 litres
    [4 marks] — 2 marks for part (a): 1 for method, 1 for correct answer. 2 marks for part (b): 1 for method, 1 for correct answer.
    Common mistake: In part (b), students may mistakenly write 5,000 instead of calculating the actual amount filled in 18 hours.