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Primary 3 Mathematics Money Quiz

Free P3 Maths Money quiz, AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Mathematics AI Generated Generated by DeepSeek V4 Flash Sample 01 Updated 2026-08-17

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Questions

Primary 3 Mathematics Quiz - Money

Name: _________________________ Class: _________________________ Date: _________________________ Score: ________ / 40

Duration: 40 minutes Total Marks: 40

Instructions:

This quiz has 20 questions about Money.
Answer all questions.
Show your working clearly for all questions.
Write your answers in the spaces provided.
For multiple-choice questions, circle the correct answer.

Section A: Multiple-Choice Questions (Questions 1 to 5)

Each question carries 2 marks. Circle the correct answer.

1. What is the total amount of money shown below?

Diagram for Q1 (P3 Maths)

Generated diagram for Q1.

A) $12.50 B)$ 14.50 C) $15.50 D)$ 16.50

2. Mei Ling has $25. She buys a book for$ 12.80. How much money does she have left?

A) $12.20 B)$ 12.80 C) $13.20 D)$ 37.80

3. Which of the following is the correct way to write eight dollars and five cents?

A) $8.5 B)$ 8.05 C) $8.50 D)$ 80.5

4. A packet of biscuits costs $3.60. A packet of sweets costs$ 2.85. How much more does the biscuits cost than the sweets?

A) $0.75 B)$ 0.85 C) $1.25 D)$ 6.45

5. Mr Tan has $50. He wants to buy 6 identical toy cars that cost$ 8 each. Does he have enough money?

A) Yes, he has $2 left. B) Yes, he has$ 8 left. C) No, he needs $2 more. D) No, he needs$ 8 more.

Section B: Short-Answer Questions (Questions 6 to 15)

Each question carries 2 marks. Show your working in the box. Write your final answer in the blank.

6. Write $34.60 in words.

Answer: ____________________________________________________

7. What is the value of the digit 5 in $15.70?

Answer: $ ________

8. Convert 1250 cents to dollars.

Answer: $ ________

9. Add $12.45 and$ 8.55.

Answer: $ ________

10. Subtract $20.00 from$ 35.25.

Answer: $ ________

11. A drink costs $1.50. How much do 4 such drinks cost?

Answer: $ ________

12. Siti has $10. She buys a pen for$ 2.80 and a notebook for $4.50. How much does she spend altogether?

Answer: $ ________

13. A bag costs $28.90. A wallet costs$ 15.40. What is the total cost of the bag and the wallet?

Answer: $ ________

14. Ali has $50. He spends$ 12.60 on lunch and $8.90 on a book. How much money does he have left?

Answer: $ ________

15. A box of 8 pencils costs $4.00. What is the cost of 1 pencil?

Answer: $ ________

Section C: Problem-Solving Questions (Questions 16 to 20)

Each question carries 4 marks. Show your working clearly.

16. Mrs Lee bought 3 kg of rice at $4.50 per kg and 2 kg of sugar at$ 2.80 per kg. She gave the cashier $20. How much change did she receive?

Working:

Answer: $ ________

17. Jun Wei saved $5.50 in January,$ 8.20 in February, and $6.80 in March. He wants to buy a toy that costs$ 25. How much more money does he need to save?

Working:

Answer: $ ________

18. A fruit stall sells apples at $1.20 each and oranges at$ 0.90 each. Mrs Tan buys 5 apples and 4 oranges. She pays with a $10 note. How much change does she receive?

Working:

Answer: $ ________

19. The table below shows the prices of items at a school bookshop.

Table for Q19 (P3 Maths)

Generated table for Q19.

a) What is the total cost of 2 erasers and 1 ruler? (2 marks)

b) David has $10. He buys a pencil case. How many storybooks can he buy with the remaining money? (2 marks)

Working:

Answer (a): $ ________ Answer (b): ________ storybook(s)

20. A charity fun run raised $850 on Saturday and$ 720 on Sunday. The organisers spent $295 on medals and$ 180 on drinks for the runners. How much money was left after paying for the expenses?

Working:

Answer: $ ________

--- End of Quiz ---

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Answers

Answer Key: Primary 3 Mathematics Quiz - Money

Total Marks: 40

Section A: Multiple-Choice Questions (Questions 1 to 5)

Each question carries 2 marks.

1. C) $15.50

Explanation: Count the money: one $10 note =$ 10. Two $2 coins =$ 2 + $2 =$ 4. Three 50-cent coins = $0.50 +$ 0.50 + $0.50 =$ 1.50. Total = $10 +$ 4 + $1.50 =$ 15.50.
Marking: 2 marks for correct answer. 1 mark if working shows correct addition but final answer is wrong due to calculation error.

2. A) $12.20

Explanation: Mei Ling had $25. She spent$ 12.80. Money left = $25.00 -$ 12.80 = $12.20.
Marking: 2 marks for correct answer. 1 mark for correct method but arithmetic error.
Common mistake: Students may subtract incorrectly by forgetting to regroup: $25.00 -$ 12.80 requires regrouping from the dollars to the cents.

3. B) $8.05

Explanation: Eight dollars and five cents means $8 and$ 0.05. In decimal notation, we write $8.05. The cents part must always be written as two digits after the decimal point.
Marking: 2 marks for correct answer.
Common mistake: Students often write $8.5 or$ 8.50. Remind them that 5 cents is $0.05, not$ 0.5 or $0.50.

4. A) $0.75

Explanation: Difference = $3.60 -$ 2.85 = $0.75.
Marking: 2 marks for correct answer. 1 mark for correct subtraction but arithmetic error.
Teaching note: "How much more" means we subtract the smaller amount from the larger amount.

5. C) No, he needs $2 more.

Explanation: Cost of 6 toy cars = 6 × $8 =$ 48. Mr Tan has $50.$ 50 - $48 =$ 2. He has enough money and will have $2 left. Wait, let's re-check: 6 ×$ 8 = $48.$ 50 - $48 =$ 2. So he has enough and has $2 left. The correct answer should be A) Yes, he has$ 2 left.
Correction: The answer is A) Yes, he has $2 left.
Explanation: Total cost = 6 × $8 =$ 48. Mr Tan has $50.$ 50 - $48 =$ 2. He has enough money and will have $2 change.
Marking: 2 marks for correct answer.
Common mistake: Students may multiply incorrectly (6 × 8 = 48 is a key fact from the 6 times table).

Section B: Short-Answer Questions (Questions 6 to 15)

Each question carries 2 marks.

6. Thirty-four dollars and sixty cents.

Explanation: $34.60 means 34 dollars and 60 cents. In words, we write "thirty-four dollars and sixty cents".
Marking: 2 marks for correct answer. 1 mark if "thirty-four dollars" is correct but cents part is wrong (e.g., "six cents" instead of "sixty cents").

7. $5.00 or 5 dollars

Explanation: In $15.70, the digit 5 is in the dollars place (the ones place of the dollars part). Its value is$ 5.00 or 5 dollars.
Marking: 2 marks for correct answer. Accept " $5", "$ 5.00", or "5 dollars".
Teaching note: The value of a digit depends on its place. In $15.70, the 1 is in the tens place (value$ 10), the 5 is in the ones place (value $5), the 7 is in the tenths place (value$ 0.70 or 70 cents).

8. $12.50

Explanation: 100 cents = $1. So 1250 cents = 1250 ÷ 100 =$ 12.50.
Marking: 2 marks for correct answer. 1 mark for correct division but decimal placement error.
Common mistake: Students may write $125.0 or forget the decimal point entirely.

9. $21.00

Explanation: $12.45 +$ 8.55 = $21.00.
Marking: 2 marks for correct answer. 1 mark for correct addition but arithmetic error.
Working: Add cents: 45¢ + 55¢ = 100¢ = $1.00. Add dollars:$ 12 + $8 +$ 1 (from cents) = $21. Total =$ 21.00.

10. $15.25

Explanation: $35.25 -$ 20.00 = $15.25.
Marking: 2 marks for correct answer. 1 mark for correct subtraction but arithmetic error.
Working: Subtract dollars: $35 -$ 20 = $15. Subtract cents: 25¢ - 0¢ = 25¢. Total =$ 15.25.

11. $6.00

Explanation: Cost of 4 drinks = 4 × $1.50 =$ 6.00.
Marking: 2 marks for correct answer. 1 mark for correct multiplication but arithmetic error.
Working: 4 × $1.50 = 4 × 150¢ = 600¢ =$ 6.00.

12. $7.30

Explanation: Total spent = $2.80 +$ 4.50 = $7.30.
Marking: 2 marks for correct answer. 1 mark for correct addition but arithmetic error.
Working: Add cents: 80¢ + 50¢ = 130¢ = $1.30. Add dollars:$ 2 + $4 +$ 1 (from cents) = $7. Total =$ 7.30.

13. $44.30

Explanation: Total cost = $28.90 +$ 15.40 = $44.30.
Marking: 2 marks for correct answer. 1 mark for correct addition but arithmetic error.
Working: Add cents: 90¢ + 40¢ = 130¢ = $1.30. Add dollars:$ 28 + $15 +$ 1 (from cents) = $44. Total =$ 44.30.

14. $28.50

Explanation: Total spent = $12.60 +$ 8.90 = $21.50. Money left =$ 50.00 - $21.50 =$ 28.50.
Marking: 2 marks for correct answer. 1 mark for correct method but arithmetic error.
Working: Step 1: $12.60 +$ 8.90 = $21.50. Step 2:$ 50.00 - $21.50 =$ 28.50.

15. $0.50 or 50 cents

Explanation: Cost of 1 pencil = $4.00 ÷ 8 =$ 0.50.
Marking: 2 marks for correct answer. Accept "$0.50" or "50¢" or "50 cents". 1 mark for correct division but decimal placement error.
Working: $4.00 ÷ 8 = 400¢ ÷ 8 = 50¢ =$ 0.50.

Section C: Problem-Solving Questions (Questions 16 to 20)

Each question carries 4 marks.

16. $4.10

Explanation:
- Cost of rice: 3 × $4.50 =$ 13.50
- Cost of sugar: 2 × $2.80 =$ 5.60
- Total cost: $13.50 +$ 5.60 = $19.10
- Change: $20.00 -$ 19.10 = $0.90
Wait, let me re-check: 3 × $4.50 =$ 13.50. 2 × $2.80 =$ 5.60. Total = $13.50 +$ 5.60 = $19.10. Change =$ 20.00 - $19.10 =$ 0.90.
Corrected answer: $0.90
Marking:
- 1 mark for correct cost of rice ($13.50)
- 1 mark for correct cost of sugar ($5.60)
- 1 mark for correct total cost ($19.10)
- 1 mark for correct change ($0.90)
Common mistake: Students may forget to multiply the quantity by the price per kg.

17. $4.50

Explanation:
- Total saved: $5.50 +$ 8.20 + $6.80 =$ 20.50
- Amount needed: $25.00 -$ 20.50 = $4.50
Marking:
- 1 mark for correct addition of January and February savings ( $5.50 +$ 8.20 = $13.70)
- 1 mark for correct total savings ($20.50)
- 1 mark for correct subtraction from $25 ($ 25.00 - $20.50)
- 1 mark for correct final answer ($4.50)
Teaching note: This is a two-step problem. First find the total saved, then find how much more is needed.

18. $0.40

Explanation:
- Cost of apples: 5 × $1.20 =$ 6.00
- Cost of oranges: 4 × $0.90 =$ 3.60
- Total cost: $6.00 +$ 3.60 = $9.60
- Change: $10.00 -$ 9.60 = $0.40
Marking:
- 1 mark for correct cost of apples ($6.00)
- 1 mark for correct cost of oranges ($3.60)
- 1 mark for correct total cost ($9.60)
- 1 mark for correct change ($0.40)
Common mistake: Students may forget to multiply the quantity by the price for each fruit.

19. a) $3.10 b) 1 storybook

Explanation (a):
- Cost of 2 erasers: 2 × $0.80 =$ 1.60
- Cost of 1 ruler: $1.50
- Total: $1.60 +$ 1.50 = $3.10
Explanation (b):
- David has $10. He buys a pencil case for$ 4.20.
- Money left: $10.00 -$ 4.20 = $5.80
- Each storybook costs $6.50.
- $5.80 ÷$ 6.50 = 0 remainder $5.80. He cannot buy a full storybook because$ 5.80 < $6.50.
- So he can buy 0 storybooks.
Corrected answer (b): 0 storybooks
Marking (a): 2 marks for correct answer ($3.10). 1 mark for correct method but arithmetic error.
Marking (b): 2 marks for correct answer (0 storybooks). 1 mark for correct method but arithmetic error.
Teaching note (b): After buying the pencil case, David has $5.80 left. Since a storybook costs$ 6.50, he does not have enough money to buy even one storybook. The answer is 0.

20. $1,095

Explanation:
- Total money raised: $850 +$ 720 = $1,570
- Total expenses: $295 +$ 180 = $475
- Money left: $1,570 -$ 475 = $1,095
Marking:
- 1 mark for correct total money raised ($1,570)
- 1 mark for correct total expenses ($475)
- 1 mark for correct subtraction ( $1,570 -$ 475)
- 1 mark for correct final answer ($1,095)
Teaching note: This is a two-step problem. First find the total income and total expenses separately, then subtract to find the amount left.

--- End of Answer Key ---