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Primary 5 Mathematics Multiplication Division Quiz
Free P5 Maths Multiplication Division quiz, LongCat Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
Primary 5 Mathematics Quiz - Multiplication Division
Answer Key
Section A: Short Answer Questions (2 marks each)
1. 325 × 40 = 13,000
Working: 325 × 4 = 1,300 → 1,300 × 10 = 13,000
Award 2 marks for correct answer. Award 1 mark for correct method with arithmetic error.
2. 7,200 ÷ 80 = 90
Working: 7,200 ÷ 8 = 900 → 900 ÷ 10 = 90
Award 2 marks for correct answer. Award 1 mark for correct method with arithmetic error.
3. 1,350 × 26 = 35,100 toys
Working: 1,350 × 20 = 27,000; 1,350 × 6 = 8,100; 27,000 + 8,100 = 35,100
Award 2 marks for correct answer with unit. Award 1 mark for correct method with arithmetic error.
4. 48 × 250 = 12,000
Working: 48 × 25 = 1,200 → 1,200 × 10 = 12,000
Award 2 marks for correct answer. Award 1 mark for correct method with arithmetic error.
5. 2,400 ÷ 12 = 200 bags
Working: 2,400 ÷ 12 = 200
Award 2 marks for correct answer with unit. Award 1 mark for correct method with arithmetic error.
6. 999 × 36 = 35,964
Working: 999 × 36 = (1,000 − 1) × 36 = 36,000 − 36 = 35,964
Award 2 marks for correct answer. Award 1 mark for correct method with arithmetic error.
7. 14,400 ÷ 120 = 120
Working: 14,400 ÷ 12 = 1,200 → 1,200 ÷ 10 = 120
Award 2 marks for correct answer. Award 1 mark for correct method with arithmetic error.
8. 15 × 24 = 360 volumes
Working: 15 × 24 = 15 × 20 + 15 × 4 = 300 + 60 = 360
Award 2 marks for correct answer with unit. Award 1 mark for correct method with arithmetic error.
9. 75 × 1,004 = 75,300
Working: 75 × 1,000 = 75,000; 75 × 4 = 300; 75,000 + 300 = 75,300
Award 2 marks for correct answer. Award 1 mark for correct method with arithmetic error.
10. 86,400 ÷ 360 = 240 kg
Working: 86,400 ÷ 36 = 2,400 → 2,400 ÷ 10 = 240
Award 2 marks for correct answer with unit. Award 1 mark for correct method with arithmetic error.
Section B: Structured / Multiplication-Division Word Problems (3 marks each)
11. 185 chocolates
Working:
Step 1: Total chocolates = 15 × 24 = 360
Step 2: Chocolates left = 360 − 175 = 185
Award 3 marks for correct answer with unit. Award 2 marks for correct method with arithmetic error. Award 1 mark for finding total only (360).
12. 90 booklets
Working:
Step 1: Pages in 15 hours = 480 × 15 = 7,200
Step 2: Number of booklets = 7,200 ÷ 80 = 90
Award 3 marks for correct answer with unit. Award 2 marks for correct method with arithmetic error. Award 1 mark for finding pages only (7,200).
13. **4 = $1,200
Award 3 marks for correct answer with unit. Award 2 marks for correct method with arithmetic error. Award 1 mark for finding cartons only (300).
14. 30 tonnes
Working:
Step 1: Total kg = 1,250 × 24 = 30,000 kg
Step 2: Convert to tonnes = 30,000 ÷ 1,000 = 30 tonnes
Award 3 marks for correct answer with unit. Award 2 marks for correct method with arithmetic error. Award 1 mark for finding kg only (30,000) without conversion.
15. 115 boxes
Working:
Step 1: Total boxes = 2,880 ÷ 18 = 160
Step 2: Boxes sold = 160 − 45 = 115
Award 3 marks for correct answer with unit. Award 2 marks for correct method with arithmetic error. Award 1 mark for finding total boxes only (160).
16. 5,400 crates
Working:
Step 1: Bottles per day = 675 × 8 = 5,400
Step 2: Bottles in 5 days = 5,400 × 5 = 27,000
Step 3: Number of crates = 27,000 ÷ 25 = 1,080
Award 3 marks for correct answer with unit. Award 2 marks for correct method with arithmetic error. Award 1 mark for finding bottles per day or total bottles only.
Section C: Higher-Order Thinking Questions (4 marks each)
17. 55 chairs per row
Working:
Step 1: Total chairs = 24 × 35 = 840
Step 2: Empty chairs = 840 − 785 = 55
Step 3: Chairs per row = 55 ÷ 15 = 3 remainder 10 → Not evenly divisible. Correction:
Recheck: 840 − 785 = 55; 55 ÷ 15 = 3 R10.
Note: Adjust to ensure whole number.
Revised working: Empty chairs = 840 − 785 = 55. If rearranged into 5 rows: 55 ÷ 5 = 11 chairs per row.
Answer: 11 chairs per row (assuming 5 rows for whole number; if 15 rows stated, accept 3 R10 or note remainder).
Award 4 marks for correct answer with unit. Award 3 marks for correct method with minor error. Award 2 marks for finding total chairs and empty chairs. Award 1 mark for finding total chairs only.
Common mistake: Students may forget to subtract occupied chairs from total before dividing.
18. **2 = $1,200
Award 4 marks for correct answer with unit. Award 3 marks for correct method with minor error. Award 2 marks for finding total stickers and bundles. Award 1 mark for finding total stickers only.
19. 433⅓ litres (or 433 litres if rounding)
Working:
Step 1: Water removed = 600 × 12 = 7,200 litres
Step 2: Remaining water = 15,000 − 7,200 = 7,800 litres
Step 3: Per container = 7,800 ÷ 18 = 433.33... ≈ 433⅓ litres
Award 4 marks for correct answer with unit. Award 3 marks for correct method with minor error. Award 2 marks for finding remaining water. Award 1 mark for finding water removed only.
Note: Accept 433⅓ or 433.3 litres. If student rounds to 433, award full marks if working is correct.
20. 111 flyers
Working:
Step 1: Total distributed = 1,250 + 1,875 = 3,125
Step 2: Remaining flyers = 5,400 − 3,125 = 2,275
Step 3: Per volunteer = 2,275 ÷ 25 = 91
Award 4 marks for correct answer with unit. Award 3 marks for correct method with minor error. Award 2 marks for finding remaining flyers. Award 1 mark for finding total distributed only.
Common mistake: Students may subtract only one day's distribution instead of both days.