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

Free P3 Maths SA2 Paper 3, HY3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Questions

TuitionGoWhere Exam Practice (AI) - Mathematics Primary 3

School: TuitionGoWhere Exam Practice (AI)
Subject: Mathematics
Level: Primary 3
Paper: SA2 Practice Paper (Version 3 of 5)
Duration: 50 minutes
Total Marks: 40
Name: ______________________
Class: _________
Date: ____________

Instructions:

This paper contains 20 questions on Whole Numbers.
Section A: 10 questions, 1 mark each. Section B: 6 questions, 2 marks each. Section C: 4 questions, 3 marks each.
Write your answers in the spaces provided.
Show your working clearly where required.

Section A (10 marks)

Answer each question. 1 mark each.

In the number 4827, which digit is in the hundreds place?
What is the value of the digit 6 in 6391?
Arrange these numbers from smallest to largest:
2541, 2451, 2514, 2415
Which is the larger number: 3762 or 3726?
Round 3456 to the nearest hundred.
Round 7821 to the nearest thousand.
Find the missing number in the pattern:
1200, 1250, 1300, _____, 1400
What is the next number?
9000, 8000, 7000, _____
Write the number "seven thousand two hundred thirty-four" in numerals.
Which of these is an even number? 4381, 4392, 4375

Section B (12 marks)

Show your working. 2 marks each.

A library has 3452 books. Another branch has 2987 books. How many books do they have altogether?
Round 6543 to the nearest ten and to the nearest thousand.
Nearest ten: __________
Nearest thousand: __________
Find the missing numbers: 2000, 2200, 2400, ____, ____, 3000.
Write 5080 in words.
Compare: 6724 ___ 6742 (use >, < or =). Explain your answer.
The number 7_45 is rounded to 7000. What is the largest digit that can go in the blank?

Section C (12 marks)

Show your working. 3 marks each.

Mr Tan counted his stamps: 1350 red, 2180 blue, and 1470 green. How many stamps did he have in total?
A school collected 4820 cans in January and 3690 cans in February. How many more cans were collected in January than February?
Complete the number pattern and explain the rule:
1000, 1500, 2000, _____, _____
Rule: ________________________
Round 4956 to the nearest ten, hundred, and thousand. Then list them in order from smallest to largest rounded value.

End of Paper

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Answers

TuitionGoWhere Exam Practice (AI) - Mathematics Primary 3

Paper: SA2 Practice Paper (Version 3 of 5)
Answer Key with Marking Scheme

Section A (10 marks)

8 [1 mark]
Teaching: Place values from right: ones (7), tens (2), hundreds (8), thousands (4). Hundreds digit is 8.
6000 [1 mark]
Teaching: Digit 6 is in thousands place, so its value is 6 × 1000 = 6000. Common mistake: writing 6 instead of 6000.
2415, 2451, 2514, 2541 [1 mark]
Teaching: Compare thousands (all 2), then hundreds: 4 vs 4 vs 5 vs 5 → 24xx smallest, then 25xx. Within 24xx: 2415 < 2451; within 25xx: 2514 < 2541.
3762 [1 mark]
Teaching: Both have 3 thousands, 7 hundreds. Compare tens: 6 vs 2 → 3762 larger.
3500 [1 mark]
Teaching: Rounding to nearest hundred: look at tens digit (5). Since 5 ≥ 5, round up → 3500.
8000 [1 mark]
Teaching: Rounding to nearest thousand: look at hundreds digit (8). 8 ≥ 5, round up → 8000.
1350 [1 mark]
Teaching: Pattern increases by 50 each step (1250−1200=50). 1300+50=1350.
6000 [1 mark]
Teaching: Decreasing by 1000 each time. 7000−1000=6000.
7234 [1 mark]
Teaching: seven thousand = 7000, two hundred = 200, thirty = 30, four = 4 → 7234.
4392 [1 mark]
Teaching: Even numbers end with 0,2,4,6,8. Only 4392 ends with 2.

Section B (12 marks)

6439 books [2 marks]
Working: 3452 + 2987
= 3000+2000=5000, 400+900=1300, 50+80=130, 2+7=9 → 5000+1300=6300, +130=6430, +9=6439.
Marking: 1 mark for correct addition setup, 1 mark for final answer.
Nearest ten: 6540; Nearest thousand: 7000 [2 marks]
Working: Ten: ones digit 3 (<5) → round down to 6540. Thousand: hundreds digit 5 (≥5) → round up to 7000.
Marking: 1 mark each.
2600, 2800 [2 marks]
Working: Difference 2200−2000=200. Add 200 each: 2400+200=2600, +200=2800.
Marking: 1 mark each blank.
Five thousand and eighty [2 marks]
Teaching: 5000 = five thousand, 80 = eighty, 0 ones → five thousand and eighty.
Marking: 1 mark for五千, 1 mark for eighty/no "and hundred".
6724 < 6742 [2 marks]
Working: Thousands and hundreds same (67). Tens: 2 vs 4 → 2 < 4, so 6724 smaller.
Marking: 1 mark symbol, 1 mark explanation.
4 [2 marks]
Working: For 7_45 to round to 7000, hundreds digit must be <5 (since we round to thousand, look at hundreds). Largest such digit is 4.
Marking: 1 mark reasoning, 1 mark answer.

Section C (12 marks)

5000 stamps [3 marks]
Working: 1350 + 2180 = 3530; 3530 + 1470 = 5000.
Marking: 1 mark first sum, 1 mark second sum, 1 mark total.
1130 cans [3 marks]
Working: 4820 − 3690. 4820−3000=1820, 1820−600=1220, 1220−90=1130.
Marking: 1 mark setup, 1 mark subtraction, 1 mark answer.
2500, 3000; Rule: add 500 each time [3 marks]
Working: 1500−1000=500, 2000−1500=500 → add 500. 2000+500=2500, +500=3000.
Marking: 1 mark each missing number, 1 mark rule.
Ten: 4960; Hundred: 5000; Thousand: 5000; Order: 4960, 5000, 5000 [3 marks]
Working: Ten: ones 6≥5 → 4960. Hundred: tens 5≥5 → 5000. Thousand: hundreds 9≥5 → 5000. Order smallest: 4960 then 5000 (twice).
Marking: 1 mark values, 1 mark order, 1 mark correctness.

End of Answer Key