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Primary 4 Mathematics Money Quiz

Free P4 Maths Money quiz, AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 4 Mathematics AI Generated Generated by DeepSeek V4 Flash Sample 02 Updated 2026-08-17

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Questions

Primary 4 Mathematics Quiz - Money

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

Duration: 40 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.

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

Circle the correct answer. Each question carries 1 mark.

1. A pencil costs $0.85. What is the value of the digit 8 in this amount?

A) 8 cents
B) 80 cents
C) 8 dollars
D) 80 dollars

Answer: __________

2. Which of the following is the same as $12.05?

A) 12 dollars and 5 cents
B) 12 dollars and 50 cents
C) 120 dollars and 5 cents
D) 1205 cents

Answer: __________

3. A packet of biscuits costs $3.50. What is the total cost of 4 such packets?

A) $7.00
B) $12.00
C) $14.00
D) $14.50

Answer: __________

4. Mr Tan has $50. He buys a book for$ 12.80 and a pen for $4.50. How much money does he have left?

A) $32.70
B) $33.70
C) $42.70
D) $43.70

Answer: __________

5. A toy car costs $8.90. Which of the following is the best estimate for the cost of 6 toy cars?

A) $48
B) $54
C) $60
D) $66

Answer: __________

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

Write your answer in the space provided. Show your working. Each question carries 2 marks.

6. Write $8.60 in words.

Answer: _________________________________________________________

7. Convert 345 cents into dollars.

Answer: $ __________

8. A drink costs $1.20. How much do 3 such drinks cost?

Answer: $ __________

9. A bag costs $24.50. A wallet costs$ 15.80. How much more does the bag cost than the wallet?

Answer: $ __________

10. Siti has $10. She wants to buy a notebook for$ 3.60 and a pen for $2.40. Does she have enough money? Show your working.

Answer: _________________________________________________________

11. A box of chocolates costs $7.90. Mrs Lim buys 5 boxes. What is the total cost?

Answer: $ __________

12. A pair of shoes costs $45.90. It is on sale at$ 38.50. How much money do you save?

Answer: $ __________

13. A meal costs $6.80. How much change will you get if you pay with a$ 10 note?

Answer: $ __________

14. A book costs $12.50. A magazine costs$ 4.80. What is the total cost of 1 book and 2 magazines?

Answer: $ __________

15. A pencil case costs $5.60. A ruler costs$ 1.20. What is the total cost of 3 pencil cases and 2 rulers?

Answer: $ __________

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

Show your working clearly. Each question carries 3 marks.

16. A shop sells apples at $0.80 each. A customer buys 5 apples and pays with a$ 5 note. How much change does the customer receive?

Answer: $ __________

17. A school is organising a fundraising event. They sell 120 tickets at $2.50 each. How much money do they raise in total?

Answer: $ __________

18. A family of 4 goes to a theme park. Each ticket costs $35.50. They also buy a family meal for$ 28.90. What is the total cost of the tickets and the meal?

Answer: $ __________

19. A shop sells a toy for $18.90. During a sale, the price is reduced by$ 4.50. If a customer buys 3 such toys during the sale, how much does he pay in total?

Answer: $ __________

20. A baker sells cakes at $12.50 each. He also sells cookies at$ 3.80 per packet. On Monday, he sold 8 cakes and 15 packets of cookies. How much money did he collect in total?

Answer: $ __________

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Answers

Primary 4 Mathematics Quiz - Money (Answer Key)

Total Marks: 40

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

Each question carries 1 mark.

1. A pencil costs $0.85. What is the value of the digit 8 in this amount?

Answer: B) 80 cents
Explanation: In $0.85, the digit 8 is in the tenths place. Since 1 tenth = 10 cents, 8 tenths = 80 cents. The digit 8 represents 80 cents.
Marking: 1 mark for correct answer.

2. Which of the following is the same as $12.05?

Answer: A) 12 dollars and 5 cents
Explanation: $12.05 means 12 dollars and 5 cents. Option B is 12 dollars and 50 cents ($ 12.50). Option C is 120 dollars and 5 cents ( $120.05). Option D is 1205 cents ($ 12.05 is 1205 cents, but the question asks for the same as $12.05, and 1205 cents is not listed as an option in the same format). The correct answer is A.
Marking: 1 mark for correct answer.

3. A packet of biscuits costs $3.50. What is the total cost of 4 such packets?

Answer: C) $14.00
Explanation: Total cost = $3.50 × 4 =$ 14.00.
Marking: 1 mark for correct answer.

4. Mr Tan has $50. He buys a book for$ 12.80 and a pen for $4.50. How much money does he have left?

Answer: A) $32.70
Explanation: Total spent = $12.80 +$ 4.50 = $17.30. Money left =$ 50.00 - $17.30 =$ 32.70.
Marking: 1 mark for correct answer.

5. A toy car costs $8.90. Which of the following is the best estimate for the cost of 6 toy cars?

Answer: B) $54
Explanation: $8.90 is approximately$ 9.00. 6 × $9.00 =$ 54.00. So, the best estimate is $54.
Marking: 1 mark for correct answer.

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

Each question carries 2 marks.

6. Write $8.60 in words.

Answer: Eight dollars and sixty cents.
Explanation: The number before the decimal point is the number of dollars. The number after the decimal point is the number of cents. So, $8.60 is eight dollars and sixty cents.
Marking: 1 mark for "eight dollars", 1 mark for "sixty cents". Accept "eight dollars and 60 cents".

7. Convert 345 cents into dollars.

Answer: $3.45
Explanation: 100 cents = 1 dollar. So, 345 cents = 345 ÷ 100 = $3.45.
Marking: 1 mark for correct method (division by 100), 1 mark for correct answer with $ sign.

8. A drink costs $1.20. How much do 3 such drinks cost?

Answer: $3.60
Explanation: Total cost = $1.20 × 3 =$ 3.60.
Marking: 1 mark for correct method, 1 mark for correct answer.

9. A bag costs $24.50. A wallet costs$ 15.80. How much more does the bag cost than the wallet?

Answer: $8.70
Explanation: Difference = $24.50 -$ 15.80 = $8.70.
Marking: 1 mark for correct method, 1 mark for correct answer.

10. Siti has $10. She wants to buy a notebook for$ 3.60 and a pen for $2.40. Does she have enough money? Show your working.

Answer: Yes, she has enough money.
Working: Total cost = $3.60 +$ 2.40 = $6.00. Since$ 10.00 > $6.00, she has enough money.
Explanation: First, find the total cost of the items. Then, compare the total cost with the amount of money Siti has. If the total cost is less than or equal to the amount she has, she has enough money.
Marking: 1 mark for correct total cost ($6.00), 1 mark for correct conclusion (Yes/No) with correct comparison.

11. A box of chocolates costs $7.90. Mrs Lim buys 5 boxes. What is the total cost?

Answer: $39.50
Explanation: Total cost = $7.90 × 5 =$ 39.50.
Marking: 1 mark for correct method, 1 mark for correct answer.

12. A pair of shoes costs $45.90. It is on sale at$ 38.50. How much money do you save?

Answer: $7.40
Explanation: Savings = Original price - Sale price = $45.90 -$ 38.50 = $7.40.
Marking: 1 mark for correct method, 1 mark for correct answer.

13. A meal costs $6.80. How much change will you get if you pay with a$ 10 note?

Answer: $3.20
Explanation: Change = Amount paid - Cost = $10.00 -$ 6.80 = $3.20.
Marking: 1 mark for correct method, 1 mark for correct answer.

14. A book costs $12.50. A magazine costs$ 4.80. What is the total cost of 1 book and 2 magazines?

Answer: $22.10
Explanation: Cost of 2 magazines = $4.80 × 2 =$ 9.60. Total cost = $12.50 +$ 9.60 = $22.10.
Marking: 1 mark for correct cost of 2 magazines ( $9.60), 1 mark for correct total cost ($ 22.10).

15. A pencil case costs $5.60. A ruler costs$ 1.20. What is the total cost of 3 pencil cases and 2 rulers?

Answer: $19.20
Explanation: Cost of 3 pencil cases = $5.60 × 3 =$ 16.80. Cost of 2 rulers = $1.20 × 2 =$ 2.40. Total cost = $16.80 +$ 2.40 = $19.20.
Marking: 1 mark for correct cost of 3 pencil cases ( $16.80), 1 mark for correct total cost ($ 19.20).

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

Each question carries 3 marks.

16. A shop sells apples at $0.80 each. A customer buys 5 apples and pays with a$ 5 note. How much change does the customer receive?

Answer: $1.00
Working:
1. Cost of 5 apples = $0.80 × 5 =$ 4.00
2. Change = $5.00 -$ 4.00 = $1.00
Explanation: First, find the total cost of the apples. Then, subtract the total cost from the amount paid to find the change.
Marking: 1 mark for correct cost of apples ( $4.00), 1 mark for correct change ($ 1.00), 1 mark for clear working.

17. A school is organising a fundraising event. They sell 120 tickets at $2.50 each. How much money do they raise in total?

Answer: $300.00
Working:
1. Total money raised = 120 × $2.50 =$ 300.00
Explanation: Multiply the number of tickets by the price per ticket to find the total amount raised.
Marking: 1 mark for correct method (multiplication), 1 mark for correct answer ($300.00), 1 mark for clear working.

18. A family of 4 goes to a theme park. Each ticket costs $35.50. They also buy a family meal for$ 28.90. What is the total cost of the tickets and the meal?

Answer: $170.90
Working:
1. Cost of 4 tickets = $35.50 × 4 =$ 142.00
2. Total cost = $142.00 +$ 28.90 = $170.90
Explanation: First, find the total cost of the tickets. Then, add the cost of the meal to find the total cost.
Marking: 1 mark for correct cost of tickets ( $142.00), 1 mark for correct total cost ($ 170.90), 1 mark for clear working.

19. A shop sells a toy for $18.90. During a sale, the price is reduced by$ 4.50. If a customer buys 3 such toys during the sale, how much does he pay in total?

Answer: $43.20
Working:
1. Sale price of one toy = $18.90 -$ 4.50 = $14.40
2. Total cost of 3 toys = $14.40 × 3 =$ 43.20
Explanation: First, find the sale price of one toy by subtracting the discount from the original price. Then, multiply the sale price by the number of toys to find the total cost.
Marking: 1 mark for correct sale price ( $14.40), 1 mark for correct total cost ($ 43.20), 1 mark for clear working.

20. A baker sells cakes at $12.50 each. He also sells cookies at$ 3.80 per packet. On Monday, he sold 8 cakes and 15 packets of cookies. How much money did he collect in total?

Answer: $157.00
Working:
1. Money from cakes = 8 × $12.50 =$ 100.00
2. Money from cookies = 15 × $3.80 =$ 57.00
3. Total money collected = $100.00 +$ 57.00 = $157.00
Explanation: First, find the total money from cakes and cookies separately. Then, add them together to find the total money collected.
Marking: 1 mark for correct money from cakes ( $100.00), 1 mark for correct money from cookies ($ 57.00), 1 mark for correct total ($157.00) with clear working.