Primary 4 Mathematics Quiz - Multiplication Division (Answer Key)
Total Marks: 40
Topic: Multiplication and Division (P4 syllabus: Four Operations)
Section A — Answers (2 marks each)
1. 234×3=702
Working: 200×3=600, 30×3=90, 4×3=12; 600+90+12=702.
Teaching note: Multiply each place value by 3 then add. Common mistake: misaligning tens/ones.
2. 856÷4=214
Working: 800÷4=200, 56÷4=14; 200+14=214.
Teaching note: Break dividend into parts divisible by 4.
3. 12×8=96 biscuits
Working: 10×8=80, 2×8=16, 80+16=96.
Teaching note: "Each packet has 8" and "12 packets" → multiplication.
4. 4050÷5=810
Working: 4000÷5=800, 50÷5=10; 800+10=810.
5. 67×24=1608
Working: 67×20=1340, 67×4=268, 1340+268=1608.
Teaching note: 2-digit by 2-digit: split 24 into 20+4.
Section B — Answers (2 marks each)
6. 15×4=60; she paid 60.∗Working:∗10\times4=40,5\times4=20,40+20=60$.
7. 96÷6=16 pupils per group.
Working: 60÷6=10, 36÷6=6, 10+6=16.
8. 125×4=500 toys.
Working: 100×4=400, 25×4=100, 400+100=500.
9. 72÷9=8 stickers each.
Working: 9×8=72, so answer is 8.
10. 45×3=135 passengers.
Working: 40×3=120, 5×3=15, 120+15=135.
Section C — Answers (3 marks each)
11. 3124×2=6248
Working: 3000×2=6000, 100×2=200, 20×2=40, 4×2=8; total 6248.
12. 4284÷3=1428
Working: 4200÷3=1400, 84÷3=28; 1400+28=1428.
13. 236×3=708 bottles.
Working: 200×3=600, 30×3=90, 6×3=18; 600+90+18=708.
14. 5040÷6=840
Working: 4800÷6=800, 240÷6=40; 800+40=840.
15. 458×17=7786
Working: 458×10=4580, 458×7=3206 (458×5=2290, 458×2=916, 2290+916=3206); 4580+3206=7786.
Section D — Answers (3 marks each)
16. 348÷6=58 boxes.
Working: 300÷6=50, 48÷6=8; 50+8=58.
Marking: 1 mark setup, 2 marks correct answer.
17. 4×125=500 books.
Working: 125×4: 100×4=400, 25×4=100, total 500.
18. 180÷9=20 groups.
Working: 9×20=180, so 20 groups.
19. 246×5=1230 buns.
Working: 200×5=1000, 40×5=200, 6×5=30; 1000+200+30=1230.
20. 2360÷4=590 kg.
Working: 2000÷4=500, 360÷4=90; 500+90=590.
Note: Include unit kg.