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Primary 6 PSLE Mathematics Semestral Assessment 2 (End of Year) Paper 3

Free P6 PSLE Maths SA2 Paper 3, HY3 Exam version, with questions, answers, and PSLE-focused practice for Singapore students.

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Primary 6 PSLE Mathematics From Real Exams Generated by Tencent HY3 Free Updated 2026-09-16
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Answers

TuitionGoWhere Exam Practice (AI) — Mathematics Primary 6 PSLE

SA2 Practice Paper (Version 3) — Answer Key

Total Marks: 60
Duration: 60 minutes

Section A — Answers [15 marks]

Q1. 8 456 239+1 543 761=10 000 0008\,456\,239 + 1\,543\,761 = 10\,000\,000
Working:
8 456 239+1 543 7618\,456\,239 + 1\,543\,761
=(8 000 000+1 000 000)+(456 000+543 000)+(239+761)= (8\,000\,000 + 1\,000\,000) + (456\,000 + 543\,000) + (239 + 761)
=9 000 000+999 000+1 000=10 000 000= 9\,000\,000 + 999\,000 + 1\,000 = 10\,000\,000
[3 marks] Full 3 for correct sum.

Q2. 4 250 000+3 780 500=8 030 5004\,250\,000 + 3\,780\,500 = 8\,030\,500 pencils
Working:
4 250 000+3 780 500=8 030 5004\,250\,000 + 3\,780\,500 = 8\,030\,500
[3 marks] 3 for correct total.

Q3. \9,600,000 \div 24 = $400,000∗Working:∗ *Working:* 9,600,000 \div 24 = 400,000(since(since24 \times 400,000 = 9,600,000$)
[3 marks] 3 for correct amount.

Q4. 12 345×600=7 407 00012\,345 \times 600 = 7\,407\,000
Working:
12 345×6=74 07012\,345 \times 6 = 74\,070; then ×100=7 407 000\times 100 = 7\,407\,000
[3 marks] 3 for correct product.

Q5. 7 849 512→8 000 0007\,849\,512 \rightarrow 8\,000\,000 (nearest million)
Working: Look at hundred-thousands digit = 8 (≥5), so round up.
[3 marks] 3 for correct rounding.

Section B — Answers [25 marks]

Q6. Money left = 5 400 000−3 250 000−850 000=1 300 0005\,400\,000 - 3\,250\,000 - 850\,000 = 1\,300\,000
Working:
Spend = 3 250 000+850 000=4 100 0003\,250\,000 + 850\,000 = 4\,100\,000
Left = 5 400 000−4 100 000=1 300 0005\,400\,000 - 4\,100\,000 = 1\,300\,000
[5 marks] 2 for subtraction of warehouse, 2 for lorry, 1 for final.

Q7. Ticket sales = 128 000×8=1 024 000128\,000 \times 8 = 1\,024\,000
Rest = 1 024 000−420 000=604 0001\,024\,000 - 420\,000 = 604\,000
Each charity = 604 000÷16=37 750604\,000 \div 16 = 37\,750
Working shown above.
[5 marks] 2 for sales, 1 for rest, 2 for division.

Q8. Town B = 2 345 678−1 234 567=1 111 1112\,345\,678 - 1\,234\,567 = 1\,111\,111
Total = 2 345 678+1 111 111=3 456 7892\,345\,678 + 1\,111\,111 = 3\,456\,789
[5 marks] 2 for B, 3 for total.

Q9. Left boxes = 45 000−27 500=17 50045\,000 - 27\,500 = 17\,500
Weight = 17 500×12=210 00017\,500 \times 12 = 210\,000 kg
[5 marks] 2 for boxes left, 3 for weight.

Q10. 2023 = 12 000 000÷3=4 000 00012\,000\,000 \div 3 = 4\,000\,000
2025 = 12 000 000+4 000 000=16 000 00012\,000\,000 + 4\,000\,000 = 16\,000\,000
Total = 4 000 000+12 000 000+16 000 000=32 000 0004\,000\,000 + 12\,000\,000 + 16\,000\,000 = 32\,000\,000
[5 marks] 2 for 2023, 1 for 2025, 2 for total.

Section C — Answers [20 marks]

Q11. 5 982 341→6 000 0005\,982\,341 \rightarrow 6\,000\,000; 4 017 689→4 000 0004\,017\,689 \rightarrow 4\,000\,000
Estimated sum = 10 000 00010\,000\,000
[5 marks] 2 for each rounding, 1 for sum.

Q12. 8 900 000+1 350 000=10 250 0008\,900\,000 + 1\,350\,000 = 10\,250\,000
In words: ten million two hundred and fifty thousand
[5 marks] 3 for number, 2 for words.

Q13. Unsold = 65 000−48 750=16 25065\,000 - 48\,750 = 16\,250
Groups = 16 250÷5=3 25016\,250 \div 5 = 3\,250
[5 marks] 2 for unsold, 3 for groups.

Q14. After donate = 3 200 000−750 000=2 450 0003\,200\,000 - 750\,000 = 2\,450\,000
After buy = 2 450 000+420 000=2 870 0002\,450\,000 + 420\,000 = 2\,870\,000
[5 marks] 2 for subtract, 3 for add.

End of Answer Key