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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 04 Updated 2026-08-17

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Questions

Primary 4 Mathematics Quiz - Four Operations

Name: ________________________________________

Class: ________________________________________

Date: ________________________________________

Score: ________ / 50

Duration: 45 minutes

Total Marks: 50

Instructions:

Answer all questions.
Show your working clearly for all questions. Marks may be awarded for correct working even if the final answer is wrong.
Write your answers in the spaces provided.
Calculators are not allowed.

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

Questions 1 to 10 carry 2 marks each. Choose the correct answer and write the letter (A, B, C or D) in the box.

1. What is the value of $8 \times 345$ ?

A	B	C	D
2,760	2,720	2,860	2,740

Answer: [ ]

2. $5,040 \div 8 =$ ?

A	B	C	D
630	603	680	608

Answer: [ ]

3. Which of the following expressions gives the largest answer?

A	B	C	D
$25 + 6 \times 4$	$(25 + 6) \times 4$	$25 \times 6 + 4$	$25 \times (6 + 4)$

Answer: [ ]

4. A baker bakes 1,250 buns each day. How many buns does he bake in 6 days?

A	B	C	D
6,500	7,500	7,000	6,000

Answer: [ ]

5. $4,600 \div 20 =$ ?

A	B	C	D
23	230	2,300	203

Answer: [ ]

6. What is the missing number?

$\_\_\_\_ \times 7 = 4,900$

A	B	C	D
70	700	7,000	7

Answer: [ ]

7. Mrs Tan bought 15 boxes of oranges. Each box contained 24 oranges. How many oranges did she buy altogether?

A	B	C	D
240	300	360	480

Answer: [ ]

8. $9,999 + 2,345 =$ ?

A	B	C	D
12,344	12,334	12,444	12,354

Answer: [ ]

9. A shop sold 3,680 packets of biscuits in January and 2,950 packets in February. How many more packets were sold in January than in February?

A	B	C	D
730	720	830	1,730

Answer: [ ]

10. $6,300 \div 9 =$ ?

A	B	C	D
70	700	7,000	7

Answer: [ ]

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

Questions 11 to 15 carry 3 marks each. Show your working clearly in the space provided. Write your answer in the box.

11. A factory produces 2,450 toy cars each day. How many toy cars does it produce in 7 days?

Working:

Answer: ________

12. There are 5,600 chairs in a hall. They are arranged in rows of 40 chairs each. How many rows are there?

Working:

Answer: ________

13. A packet of sweets costs 85 cents. What is the cost of 12 packets of sweets? Give your answer in dollars.

Working:

Answer: $________

14. A number when multiplied by 6 gives 4,800. What is the number?

Working:

Answer: ________

15. A lorry can carry 3,500 kg of sand. Another lorry can carry 1,850 kg of sand. How much more sand can the first lorry carry than the second lorry?

Working:

Answer: ________ kg

Section C: Problem-Solving Questions (3 × 5 marks = 15 marks)

Questions 16 to 20 carry 5 marks each. Show your working clearly. Marks are awarded for correct working and reasoning.

16. Mr Lim bought 8 boxes of pens. Each box contained 36 pens. He then gave away 115 pens to his students. How many pens did he have left?

Working:

Answer: ________ pens

17. A school has 4,560 students. The number of boys is 2,380. The rest are girls. Each girl is given 3 books. How many books are given to the girls altogether?

Working:

Answer: ________ books

18. A baker uses 250 g of flour to make one loaf of bread. He has 2 kg of flour. How many loaves of bread can he make? How much flour will he have left?

Working:

Answer: ________ loaves, ________ g left

19. A shopkeeper has 1,200 apples. He packs them equally into bags of 15 apples each. He sells each bag for $6. How much money does he collect if he sells all the bags?

Working:

Answer: $________

20. A train travels 85 km in one hour. How far will it travel in 6 hours? If it needs to travel 600 km, how many more kilometres does it still need to travel after 6 hours?

Working:

Answer: ________ km travelled, ________ km more

END OF QUIZ

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Answers

Primary 4 Mathematics Quiz - Four Operations

Answer Key and Marking Scheme

Total Marks: 50

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

Question 1

Answer: A (2,760)

Working: $345 \times 8 = 2,760$

Explanation: We multiply the ones digit first: $5 \times 8 = 40$ , write 0 and carry 4. Then the tens digit: $4 \times 8 = 32$ , plus the carried 4 gives 36, write 6 and carry 3. Finally, the hundreds digit: $3 \times 8 = 24$ , plus the carried 3 gives 27. So we get 2,760.

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 2

Answer: A (630)

Working: $5,040 \div 8 = 630$

Explanation: We can use long division: $8 \times 600 = 4,800$ . $5,040 - 4,800 = 240$ . $8 \times 30 = 240$ . So $600 + 30 = 630$ . Alternatively, $8 \times 630 = 5,040$ .

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 3

Answer: D ( $25 \times (6 + 4)$ )

Working:

A: $25 + 6 \times 4 = 25 + 24 = 49$
B: $(25 + 6) \times 4 = 31 \times 4 = 124$
C: $25 \times 6 + 4 = 150 + 4 = 154$
D: $25 \times (6 + 4) = 25 \times 10 = 250$

Explanation: Remember the order of operations (BODMAS): Brackets first, then Multiplication/Division, then Addition/Subtraction. Option D has brackets, so we add 6 + 4 = 10 first, then multiply by 25 to get 250, which is the largest.

Marking: 2 marks for correct answer. 1 mark for correct calculation of at least 3 options.

Question 4

Answer: B (7,500)

Working: $1,250 \times 6 = 7,500$

Explanation: Multiply: $1,250 \times 6$ . Ones: $0 \times 6 = 0$ . Tens: $5 \times 6 = 30$ , write 0 carry 3. Hundreds: $2 \times 6 = 12$ , plus 3 = 15, write 5 carry 1. Thousands: $1 \times 6 = 6$ , plus 1 = 7. Answer: 7,500.

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 5

Answer: B (230)

Working: $4,600 \div 20 = 230$

Explanation: We can simplify: $4,600 \div 20 = 460 \div 2 = 230$ . Or think: $20 \times 230 = 4,600$ .

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 6

Answer: B (700)

Working: $4,900 \div 7 = 700$

Explanation: To find the missing number, we divide: $4,900 \div 7$ . $7 \times 700 = 4,900$ , so the missing number is 700.

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 7

Answer: C (360)

Working: $15 \times 24 = 360$

Explanation: Multiply: $15 \times 24$ . $10 \times 24 = 240$ . $5 \times 24 = 120$ . $240 + 120 = 360$ .

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 8

Answer: A (12,344)

Working: $9,999 + 2,345 = 12,344$

Explanation: Add the numbers column by column:

Ones: $9 + 5 = 14$ , write 4 carry 1.
Tens: $9 + 4 + 1 = 14$ , write 4 carry 1.
Hundreds: $9 + 3 + 1 = 13$ , write 3 carry 1.
Thousands: $9 + 2 + 1 = 12$ , write 12. Answer: 12,344.

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 9

Answer: A (730)

Working: $3,680 - 2,950 = 730$

Explanation: Subtract: $3,680 - 2,950$ .

Ones: $0 - 0 = 0$ .
Tens: $8 - 5 = 3$ .
Hundreds: $6 - 9$ is not possible, so borrow 1 from thousands: $16 - 9 = 7$ .
Thousands: $2 - 2 = 0$ . Answer: 730.

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

Question 10

Answer: B (700)

Working: $6,300 \div 9 = 700$

Explanation: $9 \times 700 = 6,300$ , so $6,300 \div 9 = 700$ .

Marking: 2 marks for correct answer. 1 mark for correct method but wrong calculation.

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

Question 11

Answer: 17,150 toy cars

Working: $2,450 \times 7 = 17,150$

Explanation: Multiply: $2,450 \times 7$ .

Ones: $0 \times 7 = 0$ .
Tens: $5 \times 7 = 35$ , write 5 carry 3.
Hundreds: $4 \times 7 = 28$ , plus 3 = 31, write 1 carry 3.
Thousands: $2 \times 7 = 14$ , plus 3 = 17. Answer: 17,150.

Marking: 3 marks for correct answer with correct working. 2 marks for correct method but wrong calculation. 1 mark for some correct working.

Question 12

Answer: 140 rows

Working: $5,600 \div 40 = 140$

Explanation: We can simplify the division: $5,600 \div 40 = 560 \div 4 = 140$ . Or use long division: $40 \times 140 = 5,600$ .

Marking: 3 marks for correct answer with correct working. 2 marks for correct method but wrong calculation. 1 mark for some correct working.

Question 13

Answer: $10.20

Working: $85 \times 12 = 1,020$ cents $1,020$ cents $= \$ 10.20$

Explanation: First, find the total cost in cents: $85 \times 12 = 1,020$ cents. Then convert to dollars: $100$ cents $= \$ 1 $, so$ 1,020 $cents$ = $10.20$.

Marking: 3 marks for correct answer with correct working. 2 marks for correct method but wrong calculation or wrong conversion. 1 mark for some correct working.

Common Mistake: Forgetting to convert cents to dollars.

Question 14

Answer: 800

Working: $4,800 \div 6 = 800$

Explanation: To find the number, we divide: $4,800 \div 6$ . $6 \times 800 = 4,800$ , so the number is 800.

Marking: 3 marks for correct answer with correct working. 2 marks for correct method but wrong calculation. 1 mark for some correct working.

Question 15

Answer: 1,650 kg

Working: $3,500 - 1,850 = 1,650$

Explanation: Subtract: $3,500 - 1,850$ .

Ones: $0 - 0 = 0$ .
Tens: $0 - 5$ is not possible, borrow from hundreds: $10 - 5 = 5$ .
Hundreds: $4 - 8$ is not possible, borrow from thousands: $14 - 8 = 6$ .
Thousands: $2 - 1 = 1$ . Answer: 1,650 kg.

Marking: 3 marks for correct answer with correct working. 2 marks for correct method but wrong calculation. 1 mark for some correct working.

Section C: Problem-Solving Questions (3 × 5 marks = 15 marks)

Question 16

Answer: 173 pens

Working: Step 1: Find the total number of pens bought. $8 \times 36 = 288$ pens

Step 2: Find the number of pens left. $288 - 115 = 173$ pens

Explanation: This is a two-step problem. First, we multiply to find the total number of pens Mr Lim bought. Then, we subtract the number of pens given away to find how many are left.

Marking:

2 marks for correct multiplication (8 × 36 = 288)
2 marks for correct subtraction (288 - 115 = 173)
1 mark for correct final answer with units
Deduct 1 mark for missing units or incorrect units.

Question 17

Answer: 6,540 books

Working: Step 1: Find the number of girls. $4,560 - 2,380 = 2,180$ girls

Step 2: Find the total number of books given to girls. $2,180 \times 3 = 6,540$ books

Explanation: This is a two-step problem. First, we subtract to find the number of girls. Then, we multiply the number of girls by 3 to find the total number of books given.

Marking:

2 marks for correct subtraction (4,560 - 2,380 = 2,180)
2 marks for correct multiplication (2,180 × 3 = 6,540)
1 mark for correct final answer with units
Deduct 1 mark for missing units or incorrect units.

Question 18

Answer: 8 loaves, 0 g left

Working: Step 1: Convert 2 kg to grams. $2 \text{ kg} = 2,000 \text{ g}$

Step 2: Find the number of loaves. $2,000 \div 250 = 8$ loaves

Step 3: Find the flour left. $8 \times 250 = 2,000$ g used. $2,000 - 2,000 = 0$ g left.

Explanation: First, we must convert kilograms to grams so both quantities are in the same unit. Then, we divide the total flour by the amount needed for one loaf. Since 2,000 g is exactly 8 times 250 g, there is no flour left.

Marking:

1 mark for correct conversion (2 kg = 2,000 g)
2 marks for correct division (2,000 ÷ 250 = 8)
1 mark for correct remainder (0 g)
1 mark for correct final answer with units
Deduct 1 mark for missing units or incorrect units.

Common Mistake: Forgetting to convert kg to g before dividing.

Question 19

Answer: $480

Working: Step 1: Find the number of bags. $1,200 \div 15 = 80$ bags

Step 2: Find the total money collected. $80 \times \$ 6 = $480$

Explanation: This is a two-step problem. First, we divide to find how many bags of 15 apples can be packed from 1,200 apples. Then, we multiply the number of bags by the price of each bag to find the total money collected.

Marking:

2 marks for correct division (1,200 ÷ 15 = 80)
2 marks for correct multiplication (80 × 6 = 480)
1 mark for correct final answer with units ($)
Deduct 1 mark for missing units or incorrect units.

Question 20

Answer: 510 km travelled, 90 km more

Working: Step 1: Find the distance travelled in 6 hours. $85 \times 6 = 510$ km

Step 2: Find the remaining distance. $600 - 510 = 90$ km

Explanation: This is a two-step problem. First, we multiply the speed (85 km per hour) by the time (6 hours) to find the distance travelled. Then, we subtract the distance travelled from the total distance needed to find how much more the train needs to travel.

Marking:

2 marks for correct multiplication (85 × 6 = 510)
2 marks for correct subtraction (600 - 510 = 90)
1 mark for correct final answer with units
Deduct 1 mark for missing units or incorrect units.

END OF ANSWER KEY