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Primary 4 Mathematics Four Operations Quiz

Free P4 Maths Four Operations quiz, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 4 Mathematics From Real Exams Generated by DeepSeek V4 Flash Sample 02 Updated 2026-08-17

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Questions

Primary 4 Mathematics Quiz - Four Operations

Name: ________________________________________

Class: ________________________________________

Date: ________________________________________

Score: ________ / 40

Duration: 45 minutes

Total Marks: 40

Instructions:

Answer all questions.
Show your working clearly for all questions.
Write your answers in the spaces provided.
You may use a calculator unless stated otherwise.

Section A: Multiple-Choice Questions (10 questions × 2 marks = 20 marks)

Circle the correct answer for each question.

What is the value of 8 × 345? A) 2740 B) 2760 C) 2780 D) 2800

Answer: ________
5674 ÷ 7 = ? A) 810 R 4 B) 810 R 3 C) 811 R 3 D) 811 R 4

Answer: ________
Which of the following is the correct order of operations for 15 + 6 × 3? A) Add 15 and 6 first, then multiply by 3 B) Multiply 6 and 3 first, then add 15 C) Add 15 and 3 first, then multiply by 6 D) Multiply 15 and 6 first, then add 3

Answer: ________
402 × 25 = ? A) 10,050 B) 10,500 C) 10,005 D) 10,550

Answer: ________
A baker has 840 eggs. He packs them into trays of 12 eggs each. How many trays does he need? A) 60 B) 70 C) 80 D) 90

Answer: ________
9000 − 4567 = ? A) 4433 B) 4333 C) 4533 D) 4443

Answer: ________
What is 123 × 45? A) 5535 B) 5435 C) 5635 D) 5335

Answer: ________
7 × 8 + 4 = ? A) 84 B) 60 C) 56 D) 52

Answer: ________
A shop sells 245 packets of biscuits each day. How many packets are sold in 6 days? A) 1470 B) 1440 C) 1475 D) 1460

Answer: ________
8562 ÷ 6 = ? A) 1426 B) 1427 C) 1428 D) 1429

Answer: ________

Section B: Short-Answer Questions (5 questions × 3 marks = 15 marks)

Show your working clearly in the space provided.

A factory produces 2356 toy cars in a day. How many toy cars does it produce in 8 days?

Working:

Answer: ________
Mrs Tan has 432 sweets. She gives an equal number of sweets to 9 children. How many sweets does each child get?

Working:

Answer: ________
A school library has 3 shelves. Each shelf can hold 125 books. How many books can the library hold in total?

Working:

Answer: ________
A farmer has 5000 apples. He sells 2789 apples. How many apples does he have left?

Working:

Answer: ________
A train has 12 carriages. Each carriage can carry 56 passengers. How many passengers can the train carry in total?

Working:

Answer: ________

Section C: Problem-Solving Questions (5 questions × 1 mark = 5 marks)

Solve the following word problems. Show your working clearly.

A baker bakes 48 muffins. He puts them into boxes of 6 muffins each. How many boxes does he need?

Working:

Answer: ________
A shop sells 15 packets of pens. Each packet contains 8 pens. How many pens are there in total?

Working:

Answer: ________
A gardener plants 234 flowers in a row. He plants 7 rows. How many flowers does he plant in total?

Working:

Answer: ________
A box contains 125 marbles. How many marbles are there in 6 such boxes?

Working:

Answer: ________
A farmer has 96 eggs. He packs them into cartons of 12 eggs each. How many cartons does he need?

Working:

Answer: ________

End of Quiz

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Answers

Primary 4 Mathematics Quiz - Four Operations - Answer Key

Total Marks: 40

Section A: Multiple-Choice Questions (10 questions × 2 marks = 20 marks)

Answer: B) 2760
- Working: 8 × 345 = 8 × 300 + 8 × 40 + 8 × 5 = 2400 + 320 + 40 = 2760
- Explanation: We multiply the ones (8 × 5 = 40), the tens (8 × 40 = 320), and the hundreds (8 × 300 = 2400), then add them together.
- Common Mistake: Forgetting to carry over when multiplying. For example, 8 × 5 = 40, write 0 and carry 4 to the tens place.
Answer: A) 810 R 4
- Working: 5674 ÷ 7 = 810 remainder 4. 7 × 810 = 5670. 5674 - 5670 = 4.
- Explanation: We divide 5674 by 7. 7 goes into 56 (the first two digits) 8 times (8 × 7 = 56). Then we bring down the 7. 7 goes into 7 once (1 × 7 = 7). Then we bring down the 4. 7 does not go into 4, so we have a remainder of 4. The quotient is 810 with a remainder of 4.
- Common Mistake: Forgetting to bring down the next digit correctly.
Answer: B) Multiply 6 and 3 first, then add 15
- Explanation: According to the order of operations (BODMAS/PEMDAS), multiplication is done before addition. So, we calculate 6 × 3 = 18 first, then add 15 to get 33.
- Common Mistake: Adding 15 and 6 first because they appear first in the expression. This would give 21 × 3 = 63, which is incorrect.
Answer: A) 10,050
- Working: 402 × 25 = 402 × (20 + 5) = (402 × 20) + (402 × 5) = 8040 + 2010 = 10,050
- Explanation: We can break 25 into 20 and 5. Multiply 402 by 20 (8040) and by 5 (2010), then add the results.
- Common Mistake: Misplacing digits when multiplying by the tens digit (20). Remember to put a 0 in the ones place when multiplying by 20.
Answer: B) 70
- Working: 840 ÷ 12 = 70
- Explanation: We need to find how many groups of 12 are in 840. This is a division problem. 12 × 70 = 840.
- Common Mistake: Using multiplication instead of division.
Answer: A) 4433
- Working: 9000 - 4567 = 4433
- Explanation: We subtract 4567 from 9000. We can do this by regrouping: 9000 = 8999 + 1. 8999 - 4567 = 4432. Then add the 1 back: 4432 + 1 = 4433.
- Common Mistake: Forgetting to regroup when subtracting across zeros.
Answer: A) 5535
- Working: 123 × 45 = 123 × (40 + 5) = (123 × 40) + (123 × 5) = 4920 + 615 = 5535
- Explanation: Break 45 into 40 and 5. Multiply 123 by 40 (4920) and by 5 (615), then add.
- Common Mistake: Misaligning the numbers when multiplying by the tens digit (40). Remember to put a 0 in the ones place.
Answer: B) 60
- Working: 7 × 8 + 4 = 56 + 4 = 60
- Explanation: According to the order of operations, multiplication is done before addition. So, 7 × 8 = 56 first, then add 4 to get 60.
- Common Mistake: Adding 8 and 4 first to get 12, then multiplying by 7 to get 84.
Answer: A) 1470
- Working: 245 × 6 = 1470
- Explanation: Multiply 245 by 6. 6 × 5 = 30 (write 0, carry 3). 6 × 4 = 24 + 3 = 27 (write 7, carry 2). 6 × 2 = 12 + 2 = 14 (write 14). The answer is 1470.
- Common Mistake: Forgetting to add the carried-over numbers.
Answer: B) 1427
- Working: 8562 ÷ 6 = 1427
- Explanation: Divide 8562 by 6. 6 goes into 8 once (1 × 6 = 6), remainder 2. Bring down 5 to make 25. 6 goes into 25 four times (4 × 6 = 24), remainder 1. Bring down 6 to make 16. 6 goes into 16 twice (2 × 6 = 12), remainder 4. Bring down 2 to make 42. 6 goes into 42 seven times (7 × 6 = 42), remainder 0. The quotient is 1427.
- Common Mistake: Making an error in the multiplication or subtraction steps during long division.

Section B: Short-Answer Questions (5 questions × 3 marks = 15 marks)

Answer: 18,848 toy cars
- Working: 2356 × 8 = 18,848
- Explanation: The factory produces 2356 cars per day. In 8 days, it will produce 8 times that amount. So, we multiply 2356 by 8.
- Marking Scheme:
  - 1 mark for correct method (multiplication).
  - 1 mark for correct working.
  - 1 mark for correct final answer.
Answer: 48 sweets
- Working: 432 ÷ 9 = 48
- Explanation: Mrs Tan divides 432 sweets equally among 9 children. This is a division problem. Each child gets 432 ÷ 9 = 48 sweets.
- Marking Scheme:
  - 1 mark for correct method (division).
  - 1 mark for correct working.
  - 1 mark for correct final answer.
Answer: 375 books
- Working: 3 × 125 = 375
- Explanation: The library has 3 shelves, each holding 125 books. To find the total, we multiply the number of shelves by the number of books per shelf.
- Marking Scheme:
  - 1 mark for correct method (multiplication).
  - 1 mark for correct working.
  - 1 mark for correct final answer.
Answer: 2211 apples
- Working: 5000 - 2789 = 2211
- Explanation: The farmer starts with 5000 apples and sells 2789. "Left" means we need to subtract. So, 5000 - 2789 = 2211.
- Marking Scheme:
  - 1 mark for correct method (subtraction).
  - 1 mark for correct working.
  - 1 mark for correct final answer.
Answer: 672 passengers
- Working: 12 × 56 = 672
- Explanation: The train has 12 carriages, each carrying 56 passengers. To find the total capacity, we multiply the number of carriages by the number of passengers per carriage.
- Marking Scheme:
  - 1 mark for correct method (multiplication).
  - 1 mark for correct working.
  - 1 mark for correct final answer.

Section C: Problem-Solving Questions (5 questions × 1 mark = 5 marks)

Answer: 8 boxes
- Working: 48 ÷ 6 = 8
- Explanation: The baker needs to divide 48 muffins into groups of 6. This is a division problem.
- Marking Scheme:
  - 1 mark for correct final answer.
Answer: 120 pens
- Working: 15 × 8 = 120
- Explanation: There are 15 packets, each with 8 pens. To find the total, multiply the number of packets by the number of pens per packet.
- Marking Scheme:
  - 1 mark for correct final answer.
Answer: 1638 flowers
- Working: 234 × 7 = 1638
- Explanation: The gardener plants 234 flowers in each of 7 rows. To find the total, multiply the number of flowers per row by the number of rows.
- Marking Scheme:
  - 1 mark for correct final answer.
Answer: 750 marbles
- Working: 125 × 6 = 750
- Explanation: There are 6 boxes, each with 125 marbles. To find the total, multiply the number of boxes by the number of marbles per box.
- Marking Scheme:
  - 1 mark for correct final answer.
Answer: 8 cartons
- Working: 96 ÷ 12 = 8
- Explanation: The farmer needs to divide 96 eggs into groups of 12. This is a division problem.
- Marking Scheme:
  - 1 mark for correct final answer.

End of Answer Key