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Primary 4 Mathematics Money Quiz

Free P4 Maths Money 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 03 Updated 2026-08-17

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Questions

Primary 4 Mathematics Quiz - Money

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.
The use of calculators is not allowed.

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

(2 marks each)

1. Mrs Tan bought a dress for $45.90 and a pair of shoes for$ 32.50. How much did she spend altogether?

A) $77.40
B) $78.40
C) $78.50
D) $87.40

Answer: _______

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

A) $8.05
B) $8.5
C) $8.50
D) $80.05

Answer: _______

3. A pencil costs 90 cents. What is the cost of 6 such pencils?

A) $5.40
B) $5.04
C) $54.00
D) $6.90

Answer: _______

4. Mr Lim has a $50 note. He buys a book for$ 17.85. How much change does he receive?

A) $32.15
B) $32.25
C) $33.15
D) $42.15

Answer: _______

5. A packet of biscuits costs $2.40. Which of the following shows the same amount of money?

A) 2 dollars and 4 cents
B) 24 cents
C) 240 cents
D) 204 cents

Answer: _______

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

(2 marks each)

6. Write $12.60 in cents.

Answer: _______ cents

7. A ruler costs $1.20. A notebook costs$ 3.45. How much more does the notebook cost than the ruler?

Answer: $ _______

8. Convert 450 cents to dollars.

Answer: $ _______

9. Mei Ling has 3 ten-dollar notes, 2 fifty-cent coins, and 4 twenty-cent coins. How much money does she have in total?

Answer: $ _______

10. A box of chocolates costs $8.50. Kenny buys 4 boxes. How much does he pay altogether?

Answer: $ _______

11. Mr Wong pays for a $28.60 meal with a$ 50 note. How much change does he receive?

Answer: $ _______

12. A toy car costs $15.90. A doll costs$ 12.80. What is the total cost of both toys?

Answer: $ _______

13. A bottle of juice costs $2.75. A loaf of bread costs$ 3.20. How much do they cost altogether?

Answer: $ _______

14. Siti has $20. She spends$ 6.85 on a book and $4.50 on a pen. How much money does she have left?

Answer: $ _______

15. A packet of sweets costs $1.50. How many packets can be bought with$ 12?

Answer: _______ packets

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

(4 marks each)

16. Ali has $50. He buys 3 identical shirts. Each shirt costs$ 12.90. How much money does Ali have left after buying the shirts?

Answer: $ _______

17. A shop sells apples at 3 for $2.00. Mrs Lee buys 12 apples. How much does she pay?

Answer: $ _______

18. Ben has 2 ten-dollar notes and 3 five-dollar notes. He wants to buy a game that costs $38.50. How much more money does he need?

Answer: $ _______

19. A school canteen sells a set meal for $4.50. On Monday, 35 set meals were sold. How much money was collected from the sale of the set meals on Monday?

Answer: $ _______

20. Mrs Chen has a $100 note. She buys 2 bags. Each bag costs$ 38.90. She also buys a wallet that costs $15.60. How much money does she have left after buying all the items?

Answer: $ _______

END OF QUIZ

Marking Scheme Summary

Section	Questions	Marks per Question	Total Marks
A	1-5	2	10
B	6-15	2	20
C	16-20	4	20
Total	1-20		50

Note: The total marks for this quiz is 40. The marking scheme above is for reference only.

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Answers

Primary 4 Mathematics Quiz - Money: Answer Key

Total Marks: 40

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

(2 marks each)

1. Answer: B) $78.40

Working: $45.90 +$ 32.50 = $78.40
Explanation: To find the total amount spent, we add the cost of the dress and the shoes. Align the decimal points and add: $45.90 +$ 32.50 = $78.40.
Common mistake: Students may misalign the decimal points or forget to carry over the 1 from the tenths column (9 tenths + 5 tenths = 14 tenths = 1 one and 4 tenths).

2. Answer: A) $8.05

Explanation: Eight dollars and five cents is written as $8.05. The digit 5 is in the hundredths place (cents), so we write 05 after the decimal point.$ 8.5 would mean eight dollars and fifty cents, which is incorrect.
Common mistake: Writing $8.5 instead of$ 8.05. Remember that cents are always written as a two-digit number after the decimal point.

3. Answer: A) $5.40

Working: 90 cents × 6 = 540 cents = $5.40
Explanation: Multiply the cost of one pencil by the number of pencils: 90 × 6 = 540 cents. Convert to dollars by dividing by 100: 540 ÷ 100 = $5.40.
Common mistake: Forgetting to convert cents to dollars, or writing $54.00 instead of$ 5.40.

4. Answer: A) $32.15

Working: $50.00 -$ 17.85 = $32.15
Explanation: To find the change, subtract the cost of the book from the $50 note.$ 50.00 - $17.85 =$ 32.15.
Common mistake: Making a subtraction error when borrowing across the decimal point. For example, $50.00 -$ 17.85 requires borrowing from the tens place.

5. Answer: C) 240 cents

Explanation: $2.40 is equal to 240 cents because 1 dollar = 100 cents, so 2 dollars = 200 cents, and 40 cents is added, giving 240 cents.
Common mistake: Choosing A (2 dollars and 4 cents) which is incorrect because 4 cents is not the same as 40 cents.

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

(2 marks each)

6. Answer: 1260 cents

Working: $12.60 = 12 dollars + 60 cents = (12 × 100) + 60 = 1200 + 60 = 1260 cents
Explanation: To convert dollars to cents, multiply the dollar amount by 100 and add the remaining cents.

7. Answer: $2.25

Working: $3.45 -$ 1.20 = $2.25
Explanation: To find how much more the notebook costs, subtract the cost of the ruler from the cost of the notebook.

8. Answer: $4.50

Working: 450 cents ÷ 100 = $4.50
Explanation: To convert cents to dollars, divide by 100. 450 ÷ 100 = 4.50, so 450 cents = $4.50.

9. Answer: $31.80

Working:
- 3 ten-dollar notes = 3 × $10 =$ 30.00
- 2 fifty-cent coins = 2 × $0.50 =$ 1.00
- 4 twenty-cent coins = 4 × $0.20 =$ 0.80
- Total = $30.00 +$ 1.00 + $0.80 =$ 31.80
Explanation: Find the value of each type of money, then add them together.

10. Answer: $34.00

Working: $8.50 × 4 =$ 34.00
Explanation: Multiply the cost of one box by the number of boxes. $8.50 × 4 =$ 34.00.
Common mistake: Forgetting to carry over the decimal point correctly. $8.50 × 4 = 34.00, not 340.00.

11. Answer: $21.40

Working: $50.00 -$ 28.60 = $21.40
Explanation: Subtract the cost of the meal from the $50 note to find the change.

12. Answer: $28.70

Working: $15.90 +$ 12.80 = $28.70
Explanation: Add the cost of the toy car and the doll to find the total cost.

13. Answer: $5.95

Working: $2.75 +$ 3.20 = $5.95
Explanation: Add the cost of the juice and the bread to find the total cost.

14. Answer: $8.65

Working:
- Total spent = $6.85 +$ 4.50 = $11.35
- Money left = $20.00 -$ 11.35 = $8.65
Explanation: First, find the total amount spent. Then, subtract the total spent from the initial amount of money.

15. Answer: 8 packets

Working: $12.00 ÷$ 1.50 = 8
Explanation: Divide the total amount of money by the cost of one packet to find how many packets can be bought. $12.00 ÷$ 1.50 = 8.
Common mistake: Students may try to subtract instead of divide. This is a division problem because we are finding how many groups of $1.50 are in$ 12.00.

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

(4 marks each)

16. Answer: $11.30

Working:
- Cost of 3 shirts = $12.90 × 3 =$ 38.70
- Money left = $50.00 -$ 38.70 = $11.30
Explanation:
1. First, find the total cost of the 3 shirts by multiplying the cost of one shirt by 3.
2. Then, subtract the total cost from the $50 Ali has.
Marking Notes:
- 1 mark for correct multiplication ( $12.90 × 3 =$ 38.70)
- 1 mark for correct subtraction ( $50.00 -$ 38.70 = $11.30)
- 1 mark for the correct final answer with the dollar sign
- 1 mark for showing clear working

17. Answer: $8.00

Working:
- 12 apples ÷ 3 apples per group = 4 groups
- Cost = 4 × $2.00 =$ 8.00
Explanation:
1. First, find how many groups of 3 apples are in 12 apples: 12 ÷ 3 = 4.
2. Each group costs $2.00, so multiply the number of groups by the cost per group: 4 ×$ 2.00 = $8.00.
Marking Notes:
- 1 mark for dividing 12 by 3
- 1 mark for multiplying 4 by $2.00
- 1 mark for the correct final answer
- 1 mark for showing clear working

18. Answer: $8.50

Working:
- Total money Ben has = (2 × $10) + (3 ×$ 5) = $20 +$ 15 = $35.00
- Money needed = $38.50 -$ 35.00 = $3.50
Explanation:
1. First, find the total amount of money Ben has.
2. Then, subtract the amount Ben has from the cost of the game to find how much more he needs.
Marking Notes:
- 1 mark for calculating Ben's total money ($35.00)
- 1 mark for subtracting correctly ( $38.50 -$ 35.00 = $3.50)
- 1 mark for the correct final answer
- 1 mark for showing clear working

19. Answer: $157.50

Working: $4.50 × 35 =$ 157.50
Explanation: Multiply the cost of one set meal by the number of set meals sold to find the total amount collected.
Marking Notes:
- 1 mark for setting up the multiplication correctly
- 2 marks for the correct multiplication ( $4.50 × 35 =$ 157.50)
- 1 mark for the correct final answer with the dollar sign

20. Answer: $6.60

Working:
- Cost of 2 bags = $38.90 × 2 =$ 77.80
- Total cost = $77.80 +$ 15.60 = $93.40
- Money left = $100.00 -$ 93.40 = $6.60
Explanation:
1. First, find the cost of the 2 bags.
2. Then, add the cost of the wallet to find the total cost of all items.
3. Finally, subtract the total cost from the $100 note to find the money left.
Marking Notes:
- 1 mark for finding the cost of 2 bags ($77.80)
- 1 mark for finding the total cost ($93.40)
- 1 mark for subtracting from $100 to get the final answer ($ 6.60)
- 1 mark for showing clear working

END OF ANSWER KEY