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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 02 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 questions that require it.
You may use a calculator for questions marked with a *.

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

Circle the correct answer. Each question is worth 2 marks.

1. Which of the following is the correct way to write eight dollars and fifty cents? A. $8.05 B.$ 8.50 C. $80.50 D.$ 8.05

[2 marks]

2. Siti has $15. She buys a book for$ 8. How much money does she have left? A. $7 B.$ 8 C. $23 D.$ 6

[2 marks]

3. A packet of biscuits costs $2.50. What is the total cost of 4 packets of biscuits? A.$ 8.00 B. $10.00 C.$ 10.50 D. $6.50

[2 marks]

4. Which amount is the largest? A. $5.05 B.$ 5.50 C. $5.55 D.$ 5.00

[2 marks]

5. Ali has $20. He wants to buy a toy car that costs$ 12.50 and a colouring book that costs $5.50. Does he have enough money? A. Yes, he has$ 2 more B. Yes, he has $3 more C. No, he is short of$ 2 D. No, he is short of $3

[2 marks]

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

Write your answer in the space provided. Show your working for questions 10 to 15. Each question is worth 2 marks.

6. Write $12.05 in words.

Answer: _________________________________________________

[2 marks]

7. How many cents are there in $3.40?

Answer: ___________ cents

[2 marks]

8. A drink costs $1.20. A sandwich costs$ 3.50. What is the total cost of one drink and one sandwich?

Answer: $ ___________

[2 marks]

9. Mrs Tan has a $10 note. She buys 2 kg of rice at$ 3.50 per kg. How much change does she receive?

Answer: $ ___________

[2 marks]

10. A pencil costs $0.80. An eraser costs$ 0.50. What is the total cost of 3 pencils and 2 erasers?

Working:

Answer: $ ___________

[2 marks]

11. Ben has $25. He spends$ 8.50 on a meal and $12.00 on a train ticket. How much money does he have left?

Working:

Answer: $ ___________

[2 marks]

12. A box of 6 apples costs $4.80. What is the cost of 1 apple?

Working:

Answer: $ ___________

[2 marks]

13. Lily has $50. She buys a dress for$ 28.90 and a pair of shoes for $15.50. How much more money does she need to buy a bag that costs$ 12.00?

Working:

Answer: $ ___________

[2 marks]

14. Mr Lim has $100. He wants to buy 3 shirts that cost$ 25 each. How much money will he have left?

Working:

Answer: $ ___________

[2 marks]

15. A packet of sweets costs $1.50. A packet of chocolates costs$ 2.50 more than the sweets. What is the total cost of one packet of sweets and one packet of chocolates?

Working:

Answer: $ ___________

[2 marks]

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

Show your working clearly. Each question is worth 4 marks.

16. At a school fair, each ticket costs $2.50. Ravi has$ 20. (a) How many tickets can Ravi buy? (b) How much money will he have left?

Working:

(a) Answer: ___________ tickets (b) Answer: $ ___________

[4 marks]

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

Item	Price
Storybook	$6.50
Notebook	$2.80
Pen	$1.20
Eraser	$0.60

Maya buys 2 storybooks, 3 notebooks, and 1 pen. She pays with a $50 note. How much change does she receive?

Working:

Answer: $ ___________

[4 marks]

18. A fruit stall sells oranges at $0.80 each and apples at$ 1.20 each. (a) What is the total cost of 5 oranges and 3 apples? (b) If you pay with a $10 note, how much change will you get?

Working:

(a) Answer: $___________ (b) Answer:$ ___________

[4 marks]

19. Mrs Lee has $200. She spends$ 85.50 on groceries and $42.80 on petrol. She then gives$ 25.00 to her son. How much money does she have left?

Working:

Answer: $ ___________

[4 marks]

20. A shop sells durians at $15 each and mangosteens at$ 3 per kg. (a) Mr Tan buys 2 durians and 4 kg of mangosteens. What is the total cost? (b) He pays with a $50 note. How much change does he receive?

Working:

(a) Answer: $___________ (b) Answer:$ ___________

[4 marks]

End of Quiz

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Answers

Primary 3 Mathematics Quiz - Money: Answer Key

Total Marks: 40

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

1. B. $8.50

Marks: 2
Explanation: Eight dollars and fifty cents means $8 and 50¢. In decimal notation, we write the dollars before the decimal point and the cents after. Since 50 cents is half a dollar, we write it as .50, not .05. So$ 8.50 is correct.
Common mistake: Choosing A ($8.05) which means eight dollars and five cents, not fifty cents.

2. A. $7

Marks: 2
Explanation: Siti starts with $15. She spends$ 8 on a book. To find how much is left, we subtract: $15 -$ 8 = $7.
Common mistake: Adding instead of subtracting (choosing C, $23).

3. B. $10.00

Marks: 2
Explanation: One packet costs $2.50. To find the cost of 4 packets, we multiply:$ 2.50 × 4 = $10.00. Think of it as 250¢ × 4 = 1000¢ =$ 10.00.
Common mistake: Adding $2.50 four times incorrectly, or forgetting to convert cents correctly.

4. C. $5.55

Marks: 2
Explanation: Compare the amounts by looking at the digits after the decimal point (cents). $5.55 has 55 cents, which is more than 50 cents ($ 5.50), 5 cents ( $5.05), and 0 cents ($ 5.00).
Common mistake: Thinking $5.50 is larger than$ 5.55 because 50 seems bigger than 55 when comparing tens digits.

5. A. Yes, he has $2 more

Marks: 2
Explanation: First, find the total cost: $12.50 +$ 5.50 = $18.00. Ali has$ 20, so $20 -$ 18 = $2 left over. He has enough money and$ 2 extra.
Common mistake: Forgetting to add both items before comparing with $20.

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

6. Twelve dollars and five cents

Marks: 2
Explanation: $12.05 means 12 dollars and 5 cents. In words, we write "twelve dollars and five cents." The "05" means 5 cents, not 50 cents.
Common mistake: Writing "twelve dollars and fifty cents" (confusing $12.05 with$ 12.50).

7. 340 cents

Marks: 2
Explanation: $1 = 100 cents. So$ 3 = 300 cents. $0.40 = 40 cents. Total: 300 + 40 = 340 cents.
Common mistake: Writing 3400 cents (multiplying by 1000 instead of 100).

8. $4.70

Marks: 2
Explanation: Total cost = cost of drink + cost of sandwich = $1.20 +$ 3.50 = $4.70.
Common mistake: Misaligning decimal points when adding.

9. $3.00

Marks: 2
Explanation: Cost of 2 kg of rice = $3.50 × 2 =$ 7.00. Change = $10.00 -$ 7.00 = $3.00.
Common mistake: Only calculating for 1 kg of rice.

10. $3.40

Marks: 2
Working: Cost of 3 pencils = $0.80 × 3 =$ 2.40. Cost of 2 erasers = $0.50 × 2 =$ 1.00. Total = $2.40 +$ 1.00 = $3.40.
Common mistake: Forgetting to multiply the quantities.

11. $4.50

Marks: 2
Working: Total spent = $8.50 +$ 12.00 = $20.50. Money left =$ 25.00 - $20.50 =$ 4.50.
Common mistake: Subtracting each item separately from $25 instead of adding them first.

12. $0.80

Marks: 2
Working: Cost of 1 apple = $4.80 ÷ 6 =$ 0.80.
Common mistake: Dividing incorrectly (e.g., $4.80 ÷ 6 =$ 0.08 instead of $0.80).

13. $6.40

Marks: 2
Working: Total spent = $28.90 +$ 15.50 = $44.40. Money left =$ 50.00 - $44.40 =$ 5.60. Money needed for bag = $12.00 -$ 5.60 = $6.40.
Common mistake: Forgetting to subtract what she already spent before calculating how much more she needs.

14. $25.00

Marks: 2
Working: Cost of 3 shirts = $25 × 3 =$ 75. Money left = $100 -$ 75 = $25.
Common mistake: Subtracting $25 from$ 100 instead of $75.

15. $5.50

Marks: 2
Working: Cost of chocolates = $1.50 +$ 2.50 = $4.00. Total cost =$ 1.50 + $4.00 =$ 5.50.
Common mistake: Only finding the cost of the chocolates and forgetting to add the cost of the sweets.

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

16. (a) 8 tickets (b) $0.00

Marks: 4 (2 marks for each part)
Working:
- (a) $20 ÷$ 2.50 = 8 tickets (since 8 × $2.50 =$ 20.00)
- (b) $20.00 - (8 ×$ 2.50) = $20.00 -$ 20.00 = $0.00
Explanation: Since each ticket costs $2.50, we divide$ 20 by $2.50 to find how many tickets he can buy. 8 tickets cost exactly$ 20, so he has no money left.
Common mistake: Trying to buy 9 tickets, which would cost $22.50, more than he has.

17. $22.60

Marks: 4
Working:
- Cost of 2 storybooks: $6.50 × 2 =$ 13.00
- Cost of 3 notebooks: $2.80 × 3 =$ 8.40
- Cost of 1 pen: $1.20
- Total cost: $13.00 +$ 8.40 + $1.20 =$ 22.60
- Change: $50.00 -$ 22.60 = $27.40
Marking scheme:
- 1 mark for correct cost of storybooks
- 1 mark for correct cost of notebooks
- 1 mark for correct total cost
- 1 mark for correct change
Common mistake: Forgetting to multiply the quantities or misreading the table.

18. (a) $7.60** **(b)$ 2.40

Marks: 4 (2 marks for each part)
Working:
- (a) Cost of 5 oranges: $0.80 × 5 =$ $0.80 \times 5 =$ 4.00
  - Cost of 3 apples: $1.20 × 3 =$ 3.60
  - Total: $4.00 +$ 3.60 = $7.60
- (b) Change: $10.00 -$ 7.60 = $2.40
Common mistake: Adding the unit prices instead of multiplying by the quantities.

19. $46.70

Marks: 4
Working:
- Total spent: $85.50 +$ 42.80 + $25.00 =$ 153.30
- Money left: $200.00 -$ 153.30 = $46.70
Marking scheme:
- 1 mark for correct addition of groceries and petrol
- 1 mark for adding the money given to son
- 1 mark for correct total spent
- 1 mark for correct subtraction from $200
Common mistake: Forgetting to include the $25 given to her son.

20. (a) $42.00** **(b)$ 8.00

Marks: 4 (2 marks for each part)
Working:
- (a) Cost of 2 durians: $15 × 2 =$ $15 \times 2 =$ 30.00
  - Cost of 4 kg mangosteens: $3 × 4 =$ 12.00
  - Total: $30.00 +$ 12.00 = $42.00
- (b) Change: $50.00 -$ 42.00 = $8.00
Common mistake: Adding the price of durians and mangosteens per kg without multiplying by the quantities.