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Primary 2 Mathematics Practice Paper 4
Free P2 Maths Practice Paper 4, HY3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
TuitionGoWhere Practice Paper — Mathematics Primary 2 (Version 4) Answer Key
Total Marks: 40
Topic: Numbers (up to 1000)
Section A (10 marks)
Q1. [1 mark]
Answer: 60
Teaching note: In 862, the digit 6 is in the tens place, so its value is 6 tens = 60. Common mistake: saying "6" instead of the value 60.
Q2. [1 mark]
Answer: four hundred and seventy-nine
Teaching note: 479 has 4 hundreds, 7 tens, 9 ones. Write hundreds then "hundred and" then tens-units.
Q3. [1 mark]
Answer: 1
Teaching note: 315 → hundreds=3, tens=1, ones=5. The tens digit is 1.
Q4. [1 mark]
Answer: 124, 680, 802
Teaching note: Even numbers end in 0,2,4,6,8 and can be divided by 2 equally. 357, 493 are odd.
Q5. [1 mark]
Answer: 245, 254, 425, 524
Teaching note: Compare hundreds first (all 2 or 5), then tens, then ones.
Q6. [1 mark]
Answer: 300
Teaching note: Pattern adds 50 each time (100+50=150, etc.). 250+50=300.
Q7. [1 mark]
Answer: odd
Teaching note: 437 ends in 7 (odd digit), so it is odd.
Q8. [1 mark]
Answer: 500 + 20 + 3
Teaching note: 523 = 5 hundreds + 2 tens + 3 ones.
Q9. [1 mark]
Answer: <
Teaching note: 368 has 6 tens, 386 has 8 tens, so 368 < 386.
Q10. [1 mark]
Answer: 690
Teaching note: Counting by tens adds 10: 680+10=690.
Section B (12 marks)
Q11. [2 marks]
Answer: 380, 400
Working: Rule is +20. 360+20=380, 380+20=400.
Marking: 1 mark for rule, 1 mark for both numbers.
Q12. [2 marks]
Answer: 382 balls
Working: 245 + 137 = 382.
Marking: 1 mark method, 1 mark correct total.
Q13. [2 marks]
Answer: 225
Working: 503 − 278; borrow from hundreds: 503−278 = 225.
Marking: 1 mark working, 1 mark answer.
Q14. [2 marks]
Answer: 721, 712, 172, 127
Working: Largest hundreds digit first (7 then 1); within 7xx compare tens.
Marking: 1 mark order logic, 1 mark sequence.
Q15. [2 marks]
Answer: hundreds
Teaching note: 905 → 9 is in hundreds place. Value would be 900 but question asks place value name.
Q16. [2 marks]
Answer: 214
Working: 368 − 154 = 214.
Marking: 1 mark method, 1 mark answer.
Section C (18 marks)
Q17. [3 marks]
Answer: 292 apples
Working:
156 + 234 = 390
390 − 98 = 292
Marking: 1 mark for first addition, 1 mark for subtraction, 1 mark final answer.
Q18. [3 marks]
Answer: 604, 640, 646, 664
Explanation: Compared hundreds (all 6), then tens (0<4), then ones. 604 smallest (tens 0), then 640 (ones 0), 646 (ones 6), 664 largest.
Marking: 1 mark order, 2 marks explanation.
Q19. [3 marks]
Answer: 600, 650
Rule: +50 each step. 550+50=600, 600+50=650.
Marking: 1 mark rule, 2 marks numbers.
Q20. [3 marks]
Answer: 36 more boys
Working: 425 − 389 = 36.
Marking: 1 mark setup, 1 mark working, 1 mark answer.