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

Free Exam-Derived Owl Alpha Primary 4 Mathematics Semestral Assessment 2 (End of Year) Paper 2 practice paper with questions and answers for Singapore students. This page is rendered as a direct URL so the questions and answers can be discovered without pressing in-page buttons.

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Primary 4 Mathematics From Real Exams Generated by Owl Alpha Updated 2026-06-03

Questions

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TuitionGoWhere Practice Paper - Mathematics Primary 4

School: TuitionGoWhere Exam Practice (AI)
Subject: Mathematics
Level: Primary 4
Assessment: SA2 (End-of-Year Examination)
Paper: 1 (Written Paper)
Version: 2 of 5
Duration: 1 hour 30 minutes (90 minutes)
Total Marks: 80


Name: ________________________
Class: ________________________
Date: ________________________


Instructions to Candidates

  1. Write your name, class, and date on this paper.
  2. Answer ALL questions in the spaces provided.
  3. Show all working clearly. Marks will be awarded for correct working even if the final answer is wrong.
  4. Do not use correction fluid or tape.
  5. The use of calculators is NOT allowed.
  6. The total mark for this paper is 80.
  7. Check your work before submitting.

Section A: Multiple Choice Questions (20 marks)

Questions 1–10: Choose the correct answer (A, B, C, or D). Each question carries 2 marks. Write your answer in the box provided.


1. What is the value of the digit 6 in the number 86,423?

A. 6
B. 60
C. 600
D. 6,000

Answer: ______


2. Which number is the smallest?

A. 45,302
B. 45,203
C. 45,032
D. 45,023

Answer: ______


3. Round 37,458 to the nearest hundred.

A. 37,400
B. 37,460
C. 37,500
D. 38,000

Answer: ______


4. 52,000 is 1,000 more than _________.

A. 51,000
B. 51,900
C. 53,000
D. 50,000

Answer: ______


5. Which of the following is equal to "Ninety thousand and six"?

A. 90,600
B. 90,060
C. 90,006
D. 9,006

Answer: ______


6. What is 4 ten thousands + 3 thousands + 8 tens + 7 ones?

A. 43,087
B. 43,807
C. 43,870
D. 40,387

Answer: ______


7. A number rounded to the nearest thousand is 68,000. What is the smallest possible value of this number?

A. 67,000
B. 67,500
C. 67,999
D. 68,499

Answer: ______


8. Which digit is in the thousands place in 91,764?

A. 9
B. 1
C. 7
D. 6

Answer: ______


9. Arrange the following numbers from greatest to least:
62,140; 62,410; 62,041; 62,401

A. 62,410, 62,401, 62,140, 62,041
B. 62,410, 62,140, 62,401, 62,041
C. 62,041, 62,140, 62,401, 62,410
D. 62,401, 62,410, 62,140, 62,041

Answer: ______


10. 40,506 = 40,000 + 500 + 6 + _________

What is the missing value?

A. 0
B. 50
C. 5,000
D. 50,000

Answer: ______


Section B: Short Answer Questions (30 marks)

Questions 11–20: Write your answers in the spaces provided. Show all working clearly. Each question carries 3 marks.


11. Write the following number in figures:
"Sixty-four thousand, three hundred and five."

Answer: ________________________


12. What does the digit 7 stand for in the number 37,815?

Answer: ________________________


13. Round each of the following numbers to the nearest thousand.

(a) 44,512 ≈ ______________

(b) 89,999 ≈ ______________


14. Fill in the missing numbers in the pattern.

51,200, 52,200, 53,200, __________, __________


15. Use the digits 3, 0, 8, 5, 9 (each digit used only once) to form:

(a) the smallest possible 5-digit number: ______________

(b) the greatest possible 5-digit number: ______________


16. A number rounded to the nearest ten is 26,480. What is the greatest possible value of this number?

Answer: ________________________


17. Find the sum of 28,456 and 15,379.

Working:

Answer: ________________________


18. Subtract 19,284 from 63,000.

Working:

Answer: ________________________


19. The population of a town is 73,250. There are 38,420 adults. The rest are children. How many children are there?

Working:

Answer: ________________________


20. A shop sold 12,450 books in January and 8,765 more books in February than in January. How many books did the shop sell in February?

Working:

Answer: ________________________


Section C: Problem Sums (30 marks)

Questions 21–25: Solve each problem. Show all working clearly. Each question carries 6 marks.


21. A factory produced 45,600 toys in March and 12,850 fewer toys in April.

(a) How many toys were produced in April?

Working:

Answer: ________________________

(b) How many toys were produced in March and April altogether?

Working:

Answer: ________________________


22. Mr Tan had 30,000.Hespent30,000. He spent 12,475 on a television and $8,690 on a refrigerator.

(a) How much did Mr Tan spend altogether?

Working:

Answer: ________________________

(b) How much money did he have left?

Working:

Answer: ________________________


23. The number of visitors to a zoo over three days is shown below.

DayNumber of Visitors
Friday18,450
Saturday25,670
Sunday31,280

(a) How many visitors were there on Saturday and Sunday altogether?

Working:

Answer: ________________________

(b) How many more visitors were there on Sunday than on Friday?

Working:

Answer: ________________________


24. A school library had 52,300 books. 18,450 books were fiction and the rest were non-fiction.

(a) How many non-fiction books were there?

Working:

Answer: ________________________

(b) The school donated 5,200 non-fiction books. How many non-fiction books are left?

Working:

Answer: ________________________


25. A number is rounded to the nearest hundred and the result is 46,700.

(a) What is the smallest possible value of this number?

Working:

Answer: ________________________

(b) What is the greatest possible value of this number?

Working:

Answer: ________________________


End of Paper

Check your work. Ensure all answers are written clearly and all working is shown.

Answers

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TuitionGoWhere Practice Paper - Mathematics Primary 4

SA2 – Version 2 of 5 — Answer Key


Section A: Multiple Choice Questions (20 marks)

1. D (6,000)
The digit 6 is in the thousands place. 6 × 1,000 = 6,000.
Marking: 2 marks for correct answer.

2. D (45,023)
Compare digit by digit from the left. All numbers start with 45. In the hundreds place: 3, 2, 0, 0. So B and D are candidates. In the tens place: B has 0, D has 2. So D (45,023) is smallest.
Marking: 2 marks for correct answer.

3. C (37,500)
To round to the nearest hundred, look at the tens digit. The tens digit is 5, so round up. 37,458 → 37,500.
Marking: 2 marks for correct answer.

4. A (51,000)
52,000 − 1,000 = 51,000.
Marking: 2 marks for correct answer.

5. C (90,006)
Ninety thousand = 90,000; and six = 6. So 90,000 + 6 = 90,006.
Marking: 2 marks for correct answer.

6. A (43,087)
4 ten thousands = 40,000; 3 thousands = 3,000; 8 tens = 80; 7 ones = 7. Total = 40,000 + 3,000 + 80 + 7 = 43,087.
Marking: 2 marks for correct answer.

7. B (67,500)
When rounding to the nearest thousand, the smallest number that rounds to 68,000 is 67,500 (the hundreds digit must be 5 or more to round up).
Marking: 2 marks for correct answer.

8. B (1)
In 91,764: 9 is in the ten thousands place, 1 is in the thousands place, 7 is in the hundreds place, 6 is in the tens place, 4 is in the ones place.
Marking: 2 marks for correct answer.

9. A (62,410, 62,401, 62,140, 62,041)
Compare digit by digit from the left. All start with 62. Hundreds place: 4, 4, 1, 0. So 62,410 and 62,401 are greatest. Between those two, compare tens: 1 vs 0, so 62,410 > 62,401. Then 62,140, then 62,041.
Marking: 2 marks for correct answer.

10. A (0)
40,506 = 40,000 + 0 thousands + 500 + 0 tens + 6. The missing term is 0 (there are no additional thousands beyond the 40,000).
Marking: 2 marks for correct answer.


Section B: Short Answer Questions (30 marks)

11. 64,305
Sixty-four thousand = 64,000; three hundred = 300; and five = 5. So 64,000 + 300 + 5 = 64,305.
Marking: 3 marks. Deduct 1 mark for place value error.

12. 7,000
The digit 7 is in the thousands place in 37,815. So 7 × 1,000 = 7,000.
Marking: 3 marks. Award full marks for "7,000" or "seven thousand".

13.
(a) 45,000
The hundreds digit is 5, so round up. 44,512 → 45,000.

(b) 90,000
The hundreds digit is 9, so round up. 89,999 → 90,000.

Marking: 1.5 marks each. Deduct 0.5 for missing approximation symbol if required, but accept the numeral.

14. 54,200 and 55,200
The pattern increases by 1,000 each time. 53,200 + 1,000 = 54,200; 54,200 + 1,000 = 55,200.
Marking: 3 marks. 1.5 marks each. Accept correct continuation.

15.
(a) 30,589
To form the smallest number, arrange digits in ascending order: 0, 3, 5, 8, 9. The first digit cannot be 0, so the smallest arrangement is 30,589.

(b) 98,530
To form the greatest number, arrange digits in descending order: 9, 8, 5, 3, 0 → 98,530.

Marking: 1.5 marks each. Common mistake: (a) 03,589 (not a valid 5-digit number).

16. 26,484
When rounding to the nearest ten, the greatest number that rounds to 26,480 is 26,484 (because 26,485 would round up to 26,490).
Marking: 3 marks. Accept 26,484 only.

17.

  28,456
+ 15,379
--------
  43,835

Working: 6 + 9 = 15, write 5 carry 1. 5 + 7 + 1 = 13, write 3 carry 1. 4 + 3 + 1 = 8. 8 + 5 = 13, write 3 carry 1. 2 + 1 + 1 = 4.
Answer: 43,835
Marking: 3 marks. Award 1 mark for correct method/setup, 1 mark for correct working, 1 mark for correct final answer.

18.

  63,000
- 19,284
--------
  43,716

Working: Borrow as needed. 0 − 4: borrow → 10 − 4 = 6. Next column: 9 − 8 = 1. Next: 9 − 2 = 7. Next: 2 − 9: borrow → 12 − 9 = 3. Next: 5 − 1 = 4.
Answer: 43,716
Marking: 3 marks. Award 1 mark for correct method, 1 mark for working, 1 mark for answer.

19.

  73,250
- 38,420
--------
  34,830

Working: 0 − 0 = 0. 5 − 2 = 3. 2 − 4: borrow → 12 − 4 = 8. 2 − 8: borrow → 12 − 8 = 4. 6 − 3 = 3.
Answer: 34,830 children
Marking: 3 marks. Award 1 mark for correct subtraction setup, 1 mark for working, 1 mark for correct answer with unit.

20.
Books in February = 12,450 + 8,765

  12,450
+  8,765
--------
  21,215

Working: 0 + 5 = 5. 5 + 6 = 11, write 1 carry 1. 4 + 7 + 1 = 12, write 2 carry 1. 2 + 8 + 1 = 11, write 1 carry 1. 1 + 1 = 2.
Answer: 21,215 books
Marking: 3 marks. Award 1 mark for identifying the correct operation (addition), 1 mark for working, 1 mark for correct answer with unit.


Section C: Problem Sums (30 marks)

21.
(a) Toys in April = 45,600 − 12,850

  45,600
- 12,850
--------
  32,750

Working: 0 − 0 = 0. 0 − 5: borrow → 10 − 5 = 5. 5 − 8: borrow → 15 − 8 = 7. 4 − 2 = 2. 4 − 1 = 3.
Answer: 32,750 toys

(b) Total toys = 45,600 + 32,750

  45,600
+ 32,750
--------
  78,350

Working: 0 + 0 = 0. 0 + 5 = 5. 6 + 7 = 13, write 3 carry 1. 5 + 2 + 1 = 8. 4 + 3 = 7.
Answer: 78,350 toys

Marking: 6 marks total. (a): 3 marks (1 for operation, 1 for working, 1 for answer with unit). (b): 3 marks (1 for operation, 1 for working, 1 for answer with unit).

22.
(a) Total spent = 12,475+12,475 + 8,690

  12,475
+  8,690
--------
  21,165

Working: 5 + 0 = 5. 7 + 9 = 16, write 6 carry 1. 4 + 6 + 1 = 11, write 1 carry 1. 2 + 8 + 1 = 11, write 1 carry 1. 1 + 1 = 2.
Answer: $21,165

(b) Money left = 30,00030,000 − 21,165

  30,000
- 21,165
--------
   8,835

Working: 0 − 5: borrow → 10 − 5 = 5. 9 − 6 = 3. 9 − 1 = 8. 9 − 1 = 8. 2 − 2 = 0.
Answer: $8,835

Marking: 6 marks total. (a): 3 marks. (b): 3 marks. Award marks for correct operation, working, and answer with unit each part.

23.
(a) Saturday + Sunday = 25,670 + 31,280

  25,670
+ 31,280
--------
  56,950

Working: 0 + 0 = 0. 7 + 8 = 15, write 5 carry 1. 6 + 2 + 1 = 9. 5 + 1 = 6. 2 + 3 = 5.
Answer: 56,950 visitors

(b) Sunday − Friday = 31,280 − 18,450

  31,280
- 18,450
--------
  12,830

Working: 0 − 0 = 0. 8 − 5 = 3. 2 − 4: borrow → 12 − 4 = 8. 0 − 8: borrow → 10 − 8 = 2. 2 − 1 = 1.
Answer: 12,830 more visitors

Marking: 6 marks total. (a): 3 marks. (b): 3 marks. Award marks for correct operation, working, and answer with unit each part.

24.
(a) Non-fiction = 52,300 − 18,450

  52,300
- 18,450
--------
  33,850

Working: 0 − 0 = 0. 0 − 5: borrow → 10 − 5 = 5. 2 − 4: borrow → 12 − 4 = 8. 1 − 8: borrow → 11 − 8 = 3. 4 − 1 = 3.
Answer: 33,850 non-fiction books

(b) Non-fiction left = 33,850 − 5,200

  33,850
-  5,200
--------
  28,650

Working: 0 − 0 = 0. 5 − 0 = 5. 8 − 2 = 6. 3 − 5: borrow → 13 − 5 = 8. 2 − 0 = 2.
Answer: 28,650 non-fiction books

Marking: 6 marks total. (a): 3 marks. (b): 3 marks. Award marks for correct operation, working, and answer with unit each part.

25.
(a) Smallest possible value: 46,650
When rounding to the nearest hundred, the smallest number that rounds to 46,700 is 46,650 (the tens digit must be 5 or more to round up from 46,600 to 46,700).

(b) Greatest possible value: 46,749
The greatest number that rounds to 46,700 is 46,749 (because 46,750 would round up to 46,800).

Marking: 6 marks total. (a): 3 marks. (b): 3 marks. Award 1 mark for understanding of rounding boundary, 1 mark for reasoning, 1 mark for correct answer each part. Accept 46,650 and 46,749 only.


Total: 80 marks

End of Answer Key