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Primary 4 Mathematics Multiplication Division Quiz

Free P4 Maths Multiplication Division quiz, HY3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 4 Mathematics From Real Exams Generated by Tencent HY3 Free Updated 2026-08-17

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Answers

Primary 4 Mathematics Quiz - Multiplication Division (Answer Key)

Total Marks: 40
Topic: Multiplication and Division (P4 syllabus: 4-digit by 1-digit multiplication; 4-digit by 1-digit division; word problems)


Section A Answers (1 mark each)

  1. 23×4=9223 \times 4 = 92
    Method: 20×4=8020 \times 4 = 80, 3×4=123 \times 4 = 12, 80+12=9280 + 12 = 92.

  2. 156÷3=52156 \div 3 = 52
    Method: 150÷3=50150 \div 3 = 50, 6÷3=26 \div 3 = 2, 50+2=5250 + 2 = 52.

  3. 12×8=9612 \times 8 = 96 sweets
    Concept: "Each packet has 8" and "12 packets" → multiply. 10×8=8010 \times 8 = 80, 2×8=162 \times 8 = 16, total 96.

  4. 405×2=810405 \times 2 = 810
    Method: 400×2=800400 \times 2 = 800, 5×2=105 \times 2 = 10, 800+10=810800 + 10 = 810.

  5. 84÷7=1284 \div 7 = 12
    Method: 7×12=847 \times 12 = 84, so quotient is 12.

  6. 37×5=18537 \times 5 = 185
    Method: 30×5=15030 \times 5 = 150, 7×5=357 \times 5 = 35, 150+35=185150 + 35 = 185.

  7. 9×6=549 \times 6 = 54 notebooks
    Concept: bundles × items per bundle.

  8. 320÷4=80320 \div 4 = 80
    Method: 32÷4=832 \div 4 = 8, so 320÷4=80320 \div 4 = 80.

  9. 19×3=5719 \times 3 = 57
    Method: 10×3=3010 \times 3 = 30, 9×3=279 \times 3 = 27, 30+27=5730 + 27 = 57.

  10. 96÷8=1296 \div 8 = 12
    Method: 8×12=968 \times 12 = 96.


Section B Answers (2 marks each)

  1. 245 ÷ 5 = 49 boxes
    Working: 245÷5245 \div 5: 25÷5=525 \div 5 = 5 (tens), 45÷5=945 \div 5 = 9 (ones) → 49.
    Marking: 1 mark for method, 1 mark for correct answer.

  2. 36 × 18=18 = 648
    Working: 36×10=36036 \times 10 = 360, 36×8=28836 \times 8 = 288, 360+288=648360 + 288 = 648.
    Marking: 1 mark working, 1 mark answer.

  3. 128 × 6 = 768
    Working: 100×6=600100 \times 6 = 600, 20×6=12020 \times 6 = 120, 8×6=488 \times 6 = 48, 600+120+48=768600+120+48=768.
    Marking: 1m method, 1m answer.

  4. 42 × 7 = 294 passengers
    Working: 40×7=28040 \times 7 = 280, 2×7=142 \times 7 = 14, 280+14=294280+14=294.
    Marking: 1m, 1m.

  5. 372 ÷ 3 = 124
    Working: 300÷3=100300 \div 3 = 100, 72÷3=2472 \div 3 = 24, 100+24=124100+24=124.
    Marking: 1m, 1m.

  6. 264 ÷ 6 = 44 pupils
    Working: 240÷6=40240 \div 6 = 40, 24÷6=424 \div 6 = 4, 40+4=4440+4=44.
    Marking: 1m, 1m.


Section C Answers (3 marks each)

  1. Total erasers = 4 × 36 × 12 = 1728
    Working:
    Step 1: cartons × packets = 4×36=1444 \times 36 = 144 packets.
    Step 2: packets × erasers each = 144×12=1728144 \times 12 = 1728.
    (Or 36×12=43236 \times 12 = 432 per carton, 432×4=1728432 \times 4 = 1728.)
    Marking: 1m for first step, 1m second step, 1m final answer.

  2. Each gets 60 initially; altogether 240 after 3 more sets
    Working:
    Step 1: 480÷8=60480 \div 8 = 60 stickers each.
    Step 2: 3 more sets → 3×480=14403 \times 480 = 1440 stickers.
    Step 3: 1440÷8=1801440 \div 8 = 180 extra each. Total 60+180=24060 + 180 = 240.
    Marking: 1m first division, 1m extra sets calc, 1m total.

  3. **Total 2100Working:Step1:Mon2100** Working: Step 1: Mon 36 \times 25 = 900.Step2:Tue. Step 2: Tue 48 \times 25 = 1200.Step3:Total. Step 3: Total 900 + 1200 = 2100$.
    Marking: 1m each day, 1m total.

  4. Eggs left = 480
    Working:
    Step 1: trays sold = 8, eggs per tray 30 → 8×30=2408 \times 30 = 240 sold.
    Step 2: 720240=480720 - 240 = 480 left.
    Marking: 1m trays→eggs, 1m subtraction, 1m answer.

Common mistakes to flag:

  • Forgetting to convert word problem language to × or ÷.
  • Misalignment in written algorithm (carrying in multiplication, place value in division).
  • Not writing units (sweets, boxes, $).