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Primary 2 Mathematics Practice Paper 5
Free P2 Maths Practice Paper 5, 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 5) Answer Key
Subject: Mathematics
Level: Primary 2
Topic: Numbers (Whole Numbers up to 1000)
Total Marks: 20
Section A: Place Value and Number Forms (Q1–6)
Q1. [1 mark]
Answer: 600
Teaching note: In 682, the 6 is in the hundreds place, so its value is 6 hundreds = 600. Common mistake: writing "6" instead of the value.
Q2. [1 mark]
Answer: 3
Teaching note: 439 has 4 hundreds, 3 tens, 9 ones. The tens digit is 3.
Q3. [1 mark]
Answer: seven hundred and five
Teaching note: 705 = 7 hundreds, 0 tens, 5 ones. We write "seven hundred and five".
Q4. [1 mark]
Answer: 328
Teaching note: "three hundred twenty-eight" = 3 hundreds, 2 tens, 8 ones = 328.
Q5. [1 mark]
Answer: 500 + 40 + 6
Teaching note: Expanded form shows place values: 546 = 500 + 40 + 6.
Q6. [1 mark]
Answer: 438
Teaching note: Compare hundreds: both 3. Compare tens: 8 (in 438) > 3 (in 384). So 438 is greater.
Section B: Comparing, Ordering, and Patterns (Q7–12)
Q7. [1 mark]
Answer: 129, 291, 912, 921
Teaching note: Smallest to biggest: compare hundreds first (1 < 2 < 9). Among 912 and 921, tens 1 < 2.
Q8. [1 mark]
Answer: 300, 350
Teaching note: Pattern adds 50 each time: 150+50=200, +50=250, +50=300, +50=350.
Q9. [1 mark]
Answer: 500, 400
Teaching note: Count back by 100: 800→700→600→500→400.
Q10. [1 mark]
Answer: 125
Teaching note: Pattern adds 5: 105+5=110, +5=115, +5=120, +5=125.
Q11. [1 mark]
Answer: 377, 683
Teaching note: Odd numbers end in 1,3,5,7,9. From list: 377 (ends 7), 683 (ends 3) are odd.
Q12. [1 mark]
Answer: 548, 732, 996
Teaching note: Even numbers end in 0,2,4,6,8. From list: 548, 732, 996 are even.
Section C: Word Problems and Application (Q13–20)
Q13. [1 mark]
Answer: 647
Working: 235 + 412 = 647 marbles.
Q14. [1 mark]
Answer: 232
Working: 500 − 268 = 232 stickers.
Q15. [1 mark]
Answer: 95
Working: 415 − 320 = 95 more girls.
Q16. [1 mark]
Answer: 311
Working: 468 − 157 = 311 passengers.
Q17. [1 mark]
Answer: 500, 600
Working: Pattern +100 each: 400+100=500, +100=600.
Q18. [1 mark]
Answer: 500
Working: 176 + 124 = 300; 300 + 200 = 500 books.
Q19. [1 mark]
Answer: 696
Teaching note: Both have hundreds 6, tens 9; ones 6 < 9, so 696 smaller.
Q20. [1 mark]
Answer: 499
Working: 489 + 10 = 499.
Marking summary: All questions 1 mark each; total = 20 marks. Section A = 6, B = 6, C = 8. Adds to 20.