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Primary 3 Mathematics Semestral Assessment 2 (End of Year) Paper 4

Free P3 Maths SA2 Paper 4, HY3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Mathematics From Real Exams Generated by Tencent HY3 Free Updated 2026-08-17
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Answers

TuitionGoWhere Exam Practice (AI) - Mathematics Primary 3 SA2 Answer Key (Version 4)

Total Marks: 40

Section A (10 marks)

1. Digit in hundreds place of 4 276:

  • Place values: 4 thousands, 2 hundreds, 7 tens, 6 ones.
  • Answer: 2 (1 mark)

2. Value of digit 8 in 8 305:

  • 8 is in thousands place → 8 × 1 000 = 8 000.
  • Answer: 8 000 (1 mark)
  • Note: Value is 8 000, not digit 8.

3. Compare 3 498 and 3 489:

  • Thousands same (3), hundreds same (4), tens: 9 vs 8 → 9 > 8.
  • Answer: 3 498 (1 mark)

4. Ascending order of 2 105, 2 501, 2 015, 2 510:

  • Smallest: 2 015 (tens 1), then 2 105 (tens 0 but hundreds 1), then 2 501, then 2 510.
  • Answer: 2 015, 2 105, 2 501, 2 510 (1 mark)

5. Round 3 742 to nearest hundred:

  • Tens digit = 4 (<5) → round down.
  • Answer: 3 700 (1 mark)

6. Round 6 250 to nearest thousand:

  • Hundreds digit = 2 (<5) → round down.
  • Answer: 6 000 (1 mark)

7. Pattern 1 200, 1 250, 1 300, __, 1 400:

  • Difference = 50. Missing = 1 300 + 50 = 1 350.
  • Answer: 1 350 (1 mark)

8. Pattern 5 000, 4 800, 4 600, __, __:

  • Decrease by 200. 4 600 − 200 = 4 400; 4 400 − 200 = 4 200.
  • Answer: 4 400, 4 200 (1 mark)

9. "Seven thousand six hundred twelve" in numerals:

  • 7 000 + 600 + 12 = 7 612.
  • Answer: 7 612 (1 mark)

10. Smallest 4-digit from 3,0,1,5 no repeat:

  • Smallest thousand (not 0) = 1, then 0,3,5 → 1 035.
  • Answer: 1 035 (1 mark)

Section B (12 marks)

11. 4 □ 27 = 4 000 + 300 + 20 + 7:

  • Expanded: 4 327. Box digit = 3.
  • Answer: 3 (2 marks: 1 for method, 1 for answer)

12. Round 5 855:

  • Nearest ten: ones = 5 → round up → 5 860.
  • Nearest hundred: tens = 5 → round up → 5 900.
  • Answer: 5 860, 5 900 (2 marks)

13. Sequence 2 310, 2 330, 2 350, __, __:

  • Rule: add 20. Missing: 2 370, 2 390.
  • Answer: Rule: +20; Missing: 2 370, 2 390 (2 marks)

14. 6 204 vs 6 240:

  • Hundreds same (2), tens: 0 < 4 → 6 204 < 6 240.
  • Answer: < (2 marks: 1 reason, 1 symbol)

15. 9 043 in words:

  • 9 000 + 40 + 3 = nine thousand forty-three.
  • Answer: nine thousand forty-three (2 marks)

16. Digit values in 5 671:

  • 5 thousands = 5 000; 6 hundreds = 600.
  • Answer: 5 000, 600 (2 marks)

Section C (18 marks)

17. 3 450 + 1 200:

  • 3 450 + 1 000 = 4 450; +200 = 4 650.
  • Answer: 4 650 stickers (2 marks: 1 working, 1 answer)

18. 6 800 − 2 350:

  • 6 800 − 2 000 = 4 800; −350 = 4 450.
  • Answer: 4 450 pupils (2 marks)

19. 1 245 + 2 030:

  • 1 245 + 2 000 = 3 245; +30 = 3 275.
  • Answer: 3 275 books (2 marks)

20. 4 500 − 1 280:

  • 4 500 − 1 000 = 3 500; −280 = 3 220.
  • Answer: 3 220 cars (2 marks)