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Primary 4 Mathematics Multiplication Division Quiz
Free P4 Maths Multiplication Division quiz, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
Answer Key: Primary 4 Mathematics Quiz - Multiplication Division
Section A: Multiple Choice Questions (5 questions × 2 marks = 10 marks)
1. B) 1,404
- Explanation: 234 × 6 = (200 × 6) + (30 × 6) + (4 × 6) = 1,200 + 180 + 24 = 1,404.
- Common mistake: Students may misplace the digits when adding, e.g., choosing 1,204 if they forget to carry over.
2. B) 630
- Explanation: 5,040 ÷ 8 = 630. Think: 8 × 630 = 5,040. Using long division: 8 goes into 50 six times (48), remainder 2; bring down 4 to make 24; 8 goes into 24 three times (24), remainder 0; bring down 0; 8 goes into 0 zero times.
- Common mistake: Students may forget the zero in the quotient, choosing 63 instead.
3. B) 104
- Explanation: 1,248 ÷ 12 = 104. Think: 12 × 100 = 1,200, remainder 48; 12 × 4 = 48; total 100 + 4 = 104.
- Common mistake: Students may misplace the decimal or forget to include the remainder.
4. B) 3 × 2,045
- Explanation: "3 groups of 2,045" means 2,045 is taken 3 times, which is multiplication: 3 × 2,045.
- Common mistake: Students may confuse multiplication with addition (A) or division (C).
5. A) 280
- Explanation: Multiply in any order: 7 × 8 = 56; 56 × 5 = 280. Or: 8 × 5 = 40; 40 × 7 = 280.
- Common mistake: Students may make a calculation error, e.g., 7 × 8 = 56, then 56 × 5 = 280 (correct). Some may forget to multiply all three numbers.
Section B: Short Answer Questions (10 questions × 2 marks = 20 marks)
6. 22,092
- Explanation: 3,156 × 7 = (3,000 × 7) + (100 × 7) + (50 × 7) + (6 × 7) = 21,000 + 700 + 350 + 42 = 22,092.
- Working:
3,156 × 7 -------- 22,092 - Marking: 1 mark for correct method, 1 mark for correct answer.
7. 1,540
- Explanation: 9,240 ÷ 6 = 1,540. Think: 6 × 1,540 = 9,240. Using long division: 6 goes into 9 once (6), remainder 3; bring down 2 to make 32; 6 goes into 32 five times (30), remainder 2; bring down 4 to make 24; 6 goes into 24 four times (24), remainder 0; bring down 0; 6 goes into 0 zero times.
- Working:
1,540 6 ) 9,240 -6 -- 32 -30 --- 24 -24 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer.
8. 22,050 bottles
- Explanation: 2,450 × 9 = (2,000 × 9) + (400 × 9) + (50 × 9) = 18,000 + 3,600 + 450 = 22,050.
- Working:
2,450 × 9 -------- 22,050 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
9. 456 books
- Explanation: 3,648 ÷ 8 = 456. Think: 8 × 456 = 3,648. Using long division: 8 goes into 36 four times (32), remainder 4; bring down 4 to make 44; 8 goes into 44 five times (40), remainder 4; bring down 8 to make 48; 8 goes into 48 six times (48), remainder 0.
- Working:
456 8 ) 3,648 -32 --- 44 -40 --- 48 -48 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
10. 20,048
- Explanation: 5,012 × 4 = (5,000 × 4) + (12 × 4) = 20,000 + 48 = 20,048.
- Working:
5,012 × 4 -------- 20,048 - Marking: 1 mark for correct method, 1 mark for correct answer.
11. 6,280 exercise books
- Explanation: 1,256 × 5 = (1,000 × 5) + (200 × 5) + (50 × 5) + (6 × 5) = 5,000 + 1,000 + 250 + 30 = 6,280.
- Working:
1,256 × 5 -------- 6,280 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
12. 1,470
- Explanation: 7,350 ÷ 5 = 1,470. Think: 5 × 1,470 = 7,350. Using long division: 5 goes into 7 once (5), remainder 2; bring down 3 to make 23; 5 goes into 23 four times (20), remainder 3; bring down 5 to make 35; 5 goes into 35 seven times (35), remainder 0; bring down 0; 5 goes into 0 zero times.
- Working:
1,470 5 ) 7,350 -5 -- 23 -20 --- 35 -35 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer.
13. 18,036
- Explanation: 2,004 × 9 = (2,000 × 9) + (4 × 9) = 18,000 + 36 = 18,036.
- Working:
2,004 × 9 -------- 18,036 - Marking: 1 mark for correct method, 1 mark for correct answer.
14. 520 bags
- Explanation: 4,680 ÷ 9 = 520. Think: 9 × 520 = 4,680. Using long division: 9 goes into 46 five times (45), remainder 1; bring down 8 to make 18; 9 goes into 18 two times (18), remainder 0; bring down 0; 9 goes into 0 zero times.
- Working:
520 9 ) 4,680 -45 --- 18 -18 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
15. 900
- Explanation: 8,100 ÷ 9 = 900. Think: 9 × 900 = 8,100. Using long division: 9 goes into 81 nine times (81), remainder 0; bring down 0; 9 goes into 0 zero times; bring down 0; 9 goes into 0 zero times.
- Working:
900 9 ) 8,100 -81 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer.
Section C: Problem Solving (5 questions × 2 marks = 10 marks)
16. 20,700 kg
- Explanation: Total mass = 3,450 kg × 6 = (3,000 × 6) + (400 × 6) + (50 × 6) = 18,000 + 2,400 + 300 = 20,700 kg.
- Working:
3,450 × 6 -------- 20,700 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
17. 720 stickers
- Explanation: 5,760 ÷ 8 = 720. Think: 8 × 720 = 5,760. Using long division: 8 goes into 57 seven times (56), remainder 1; bring down 6 to make 16; 8 goes into 16 two times (16), remainder 0; bring down 0; 8 goes into 0 zero times.
- Working:
720 8 ) 5,760 -56 --- 16 -16 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
18. 17,850 marbles
- Explanation: 2,550 × 7 = (2,000 × 7) + (500 × 7) + (50 × 7) = 14,000 + 3,500 + 350 = 17,850.
- Working:
2,550 × 7 -------- 17,850 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
19. 540 boxes
- Explanation: 4,320 ÷ 8 = 540. Think: 8 × 540 = 4,320. Using long division: 8 goes into 43 five times (40), remainder 3; bring down 2 to make 32; 8 goes into 32 four times (32), remainder 0; bring down 0; 8 goes into 0 zero times.
- Working:
540 8 ) 4,320 -40 --- 32 -32 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
20. 250 km
- Explanation: Distance in 1 hour = 1,250 km ÷ 5 = 250 km. Think: 5 × 250 = 1,250.
- Working:
250 5 ) 1,250 -10 --- 25 -25 --- 0 - Marking: 1 mark for correct method, 1 mark for correct answer with unit.
End of Answer Key