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Primary 2 Mathematics Practice Paper 3
Free P2 Maths Practice Paper 3, 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 3) Answer Key
Total Marks: 40
Section A Answers (1 mark each)
1. 60
Teaching note: The digit 6 is in the tens place of 864 (hundreds=8, tens=6, ones=4). Value = 6 tens = 60.
2. five hundred and thirty-two
Teaching note: 532 = 5 hundreds, 3 tens, 2 ones. Write in words with “and” between hundreds and tens/ones as taught in P2.
3. 1
Teaching note: 719 → hundreds=7, tens=1, ones=9. The tens digit is 1.
4. 458, 660, 804
Teaching note: Even numbers end with 0,2,4,6,8. 458 (ends 8), 660 (ends 0), 804 (ends 4) are even.
5. 345, 354, 435, 453
Teaching note: Compare hundreds first (all 3 or 4). Then tens: 345 & 354 (tens=4) before 435 & 453 (tens=3 in hundreds=4). Ones decide 345<354 and 435<453.
6. 350
Teaching note: Pattern adds 50 each time: 200+50=250, +50=300, +50=350, +50=400.
7. odd
Teaching note: 527 ends with 7 (not 0,2,4,6,8), so it cannot be divided into two equal groups → odd.
8. 400 + 10 + 8
Teaching note: 418 = 4 hundreds (400) + 1 ten (10) + 8 ones (8).
9. >
Teaching note: 682 has 8 tens, 628 has 2 tens; hundreds same (6). So 682 > 628.
10. 540, 550
Teaching note: Counting by tens adds 10: 530+10=540, 540+10=550.
Section B Answers (2 marks each)
11. 200, 225 (2 marks)
Working: Rule = add 25. 175+25=200, 200+25=225.
Marking: 1 mark for each correct number.
12. 558 beads (2 marks)
Working: 345 + 213 = 558.
345
+ 213
-----
558
Marking: 1 mark for correct addition, 1 mark for answer. Common mistake: misaligning ones/tens.
13. 767, 760, 706, 670 (2 marks)
Working: Compare hundreds (all 7), then tens: 767(6) > 760(6) > 706(0) > 670(7 in tens? wait: 670 tens=7, 706 tens=0 → 706 < 670). Correct order: 767, 760, 706, 670.
Marking: 2 marks if fully correct; 1 mark if one error.
14. 900, because 9 is in the hundreds place (2 marks)
Teaching note: 905 = 9 hundreds + 0 tens + 5 ones. Place value of 9 = 900.
Marking: 1 mark value, 1 mark explanation.
15. 119 more boys (2 marks)
Working: 478 − 359 = 119.
478
- 359
-----
119
Marking: 1 mark working, 1 mark answer.
16. 725, 700 (2 marks)
Working: Subtract 25 each step: 750−25=725, 725−25=700.
Marking: 1 mark each.
Section C Answers (3 marks each)
17. 329 stickers (3 marks)
Working:
Step 1: 246 + 178 = 424
246
+ 178
-----
424
Step 2: 424 − 95 = 329
424
- 95
-----
329
Marking: 1 mark for first sum, 1 mark for subtraction, 1 mark final answer.
Note: Teach regrouping: 4+8=12 (carry 1), 1+4+7=12 (carry 1); then 4−5 borrow from 2→12−5=7, etc.
18. (a) 249, 294, 429, 492, 924 (2 marks)
(b) 924 (1 mark)
Teaching note: All have digits 2,4,9. Smallest starts with 2 then 4 then 9 → 249. Largest starts 9 → 924.
Marking: 2 marks if order perfect; 1 mark partial. 1 mark for (b).
19. 740 apples (3 marks)
Working:
Friday + Saturday = 315 + 268 = 583
315
+ 268
-----
583
Sunday = 583 + 157 = 740
583
+ 157
-----
740
Marking: 1 mark Fri+Sat, 1 mark Sunday calc, 1 mark answer.
Common mistake: Reading “157 more than total” as 157 only.
20. Missing number = 630 (3 marks)
From image_placeholder: Grid shows rows add 10 across: 410,420,430; 510,520,530; 610,620,?. Columns add 100 down. So 620+10=630, or 530+100=630.
Marking: 1 mark for 630, 2 marks for clear pattern explanation (across +10, down +100).
Expected visual: Bottom-right cell labelled 630; consistent +10 horizontal, +100 vertical.
