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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 01 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:

This quiz has 20 questions on the topic of Money.
Answer all questions.
Show your working clearly for all questions.
You may use a calculator.

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

Circle the correct answer for each question. (2 marks each)

1. What is the total value of 3 ten-dollar notes, 4 five-dollar notes, and 6 one-dollar coins?

A) $30
B) $44
C) $56
D) $60

2. Siti bought a book for $12.85 and a pen for$ 3.50. How much did she spend altogether?

A) $15.35
B) $16.35
C) $16.85
D) $17.35

3. A bag costs $45.90. Which of the following is the correct amount when rounded to the nearest dollar?

A) $45.00
B) $45.90
C) $46.00
D) $50.00

4. Mr Tan has $100. He buys 3 shirts at$ 24.90 each. How much money does he have left?

A) $25.30
B) $25.70
C) $74.70
D) $75.10

5. A packet of biscuits costs $2.40. What is the cost of 5 such packets?

A) $10.00
B) $10.40
C) $12.00
D) $12.40

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

Write your answer in the blank provided. Show your working in the space given. (2 marks each)

6. Write $56.80 in words.

Answer: ____________________________________________________

7. Convert $3.05 to cents.

Answer: __________ cents

8. What is the sum of $12.45 and$ 8.55?

Answer: $__________

9. A pencil costs $0.85. A ruler costs$ 1.20 more than the pencil. What is the cost of the ruler?

Answer: $__________

10. Mrs Lee had $50. She spent$ 28.70 at the supermarket. How much money did she have left?

Answer: $__________

11. A toy car costs $15.90. A doll costs$ 8.70 less than the toy car. What is the total cost of the toy car and the doll?

Answer: $__________

12. Ali saved $2.50 every day for 7 days. How much did he save in total?

Answer: $__________

13. A box of 12 cupcakes costs $18.00. What is the cost of 1 cupcake?

Answer: $__________

14. A drink costs $1.20. A sandwich costs$ 3.80. Peter buys 2 drinks and 1 sandwich. How much does he pay altogether?

Answer: $__________

15. A shop sells a watch for $89.90. During a sale, the watch is sold at$ 15.00 off. What is the sale price of the watch?

Answer: $__________

Section C: Problem Sums (Questions 16 to 20)

Show your working clearly and write your answer in the blank provided. (4 marks each)

16. Ravi had $200. He bought a pair of shoes for$ 85.50 and a belt for $29.90. How much money did he have left?

Working:

Answer: $__________

17. A school bought 8 boxes of markers. Each box contained 12 markers and cost $15.60. What was the total cost of all the markers?

Working:

Answer: $__________

18. A fruit seller had $500. He bought 50 kg of apples at$ 3.20 per kg. How much money did he have left?

Working:

Answer: $__________

19. Meiling had $100. She spent$ 12.50 on a book and $28.80 on a dress. She then gave her sister$ 15.00. How much money did she have left?

Working:

Answer: $__________

20. A baker sold 25 cakes at $18.50 each and 40 tarts at$ 2.40 each. How much money did he collect in total?

Working:

Answer: $__________

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Answers

Answer Key: Primary 4 Mathematics Quiz - Money

Total Marks: 40

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

1. C) $56

Marks: 2
Working: (3 × $10) + (4 ×$ 5) + (6 × $1) =$ 30 + $20 +$ 6 = $56
Explanation: We find the total value by multiplying the number of each type of note/coin by its value, then adding them together. Ten-dollar notes: 3 × $10 =$ 30. Five-dollar notes: 4 × $5 =$ 20. One-dollar coins: 6 × $1 =$ 6. Total = $30 +$ 20 + $6 =$ 56.
Common mistake: Students may forget to multiply the number of notes/coins by their value and just add the numbers (3 + 4 + 6 = 13).

2. B) $16.35

Marks: 2
Working: $12.85 +$ 3.50 = $16.35
Explanation: To find the total spent, we add the cost of the book and the pen. Align the decimal points: $12.85 +$ 3.50 = $16.35.
Common mistake: Misaligning decimal points, e.g., adding $12.85 +$ 3.50 as $12.85 +$ 3.50 = $16.35 (correct) or incorrectly as$ 12.85 + $3.50 =$ 12.120.

3. C) $46.00

Marks: 2
Working: $45.90 rounded to the nearest dollar. Look at the tenths digit (9). Since 9 ≥ 5, round up the dollar part.$ 45.90 → $46.00.
Explanation: Rounding to the nearest dollar means we look at the digit in the tenths place (the first digit after the decimal point). If it is 5 or more, we round the dollar amount up. If it is 4 or less, we keep the dollar amount the same. Here, the tenths digit is 9, so we round $45 up to$ 46.
Common mistake: Rounding down because 90 is closer to 00? No, 45.90 is 10 cents away from 46.00 and 90 cents away from 45.00, so it is closer to 46.00.

4. A) $25.30

Marks: 2
Working: Cost of 3 shirts = 3 × $24.90 =$ 74.70. Money left = $100 -$ 74.70 = $25.30.
Explanation: First, find the total cost of the shirts by multiplying the price of one shirt by the number of shirts. Then, subtract the total cost from the amount Mr Tan had to find the change.
Common mistake: Forgetting to multiply the shirt price by 3, or subtracting incorrectly.

5. C) $12.00

Marks: 2
Working: 5 × $2.40 =$ 12.00
Explanation: To find the cost of multiple items, multiply the cost of one item by the number of items. 5 × $2.40 =$ 12.00.
Common mistake: Adding $2.40 five times instead of multiplying, which is slower but can also lead to errors.

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

6. Fifty-six dollars and eighty cents OR Fifty-six dollars and 80 cents

Marks: 2
Explanation: When writing money in words, we write the dollar amount, then "dollars and", then the cent amount, then "cents". $56.80 is fifty-six dollars and eighty cents.
Marking note: Accept "fifty-six dollars and 80 cents".

7. 305 cents

Marks: 2
Working: $3.05 = 3 dollars and 5 cents = (3 × 100) + 5 = 300 + 5 = 305 cents.
Explanation: To convert dollars to cents, multiply the dollar part by 100 and add the cent part. $3 = 300 cents.$ 3.05 = 300 cents + 5 cents = 305 cents.
Common mistake: Writing 350 cents (confusing 5 cents with 50 cents) or 3005 cents (adding an extra zero).

8. $21.00

Marks: 2
Working: $12.45 +$ 8.55 = $21.00
Explanation: Add the two amounts. 45 cents + 55 cents = 100 cents = $1.00.$ 12 + $8 +$ 1.00 = $21.00.
Common mistake: Forgetting to carry over the 100 cents to $1.

9. $2.05

Marks: 2
Working: Cost of ruler = $0.85 +$ 1.20 = $2.05
Explanation: "More than" means we add. The ruler costs $1.20 more than the pencil, so we add$ 1.20 to the cost of the pencil.
Common mistake: Subtracting instead of adding.

10. $21.30

Marks: 2
Working: $50.00 -$ 28.70 = $21.30
Explanation: To find the amount left, subtract the amount spent from the amount she had.
Common mistake: Subtraction error, especially with regrouping across zeros (e.g., $50.00 -$ 28.70).

11. $23.10

Marks: 2
Working: Cost of doll = $15.90 -$ 8.70 = $7.20. Total cost =$ 15.90 + $7.20 =$ 23.10.
Explanation: "Less than" means we subtract. First, find the cost of the doll. Then, add the cost of the toy car and the doll to find the total.
Common mistake: Only finding the cost of the doll and forgetting to find the total cost.

12. $17.50

Marks: 2
Working: 7 × $2.50 =$ 17.50
Explanation: Multiply the amount saved per day by the number of days.
Common mistake: Adding $2.50 seven times incorrectly.

13. $1.50

Marks: 2
Working: $18.00 ÷ 12 =$ 1.50
Explanation: To find the cost of one item when given the cost of a set, divide the total cost by the number of items.
Common mistake: Dividing incorrectly (e.g., 12 ÷ 18 = 0.666...).

14. $6.20

Marks: 2
Working: Cost of 2 drinks = 2 × $1.20 =$ 2.40. Total cost = $2.40 +$ 3.80 = $6.20.
Explanation: First, find the cost of the 2 drinks by multiplying. Then, add the cost of the sandwich.
Common mistake: Adding $1.20 +$ 3.80 = $5.00 and forgetting to multiply the drinks by 2.

15. $74.90

Marks: 2
Working: $89.90 -$ 15.00 = $74.90
Explanation: "Off" means a discount or reduction in price. Subtract the discount from the original price.
Common mistake: Adding the discount instead of subtracting.

Section C: Problem Sums (Questions 16 to 20)

16. $84.60

Marks: 4
Working:
- Total spent = $85.50 +$ 29.90 = $115.40
- Money left = $200.00 -$ 115.40 = $84.60
Explanation: First, find the total amount Ravi spent by adding the cost of the shoes and the belt. Then, subtract the total spent from the amount he had at first.
Marking scheme:
- 1 mark for correct method to find total spent
- 1 mark for correct total spent ($115.40)
- 1 mark for correct method to find money left
- 1 mark for correct final answer ($84.60)
Common mistake: Subtracting each item individually from $200 (e.g.,$ 200 - $85.50 =$ 114.50, then $114.50 -$ 29.90 = $84.60). This is also correct but can lead to errors if not careful.

17. $124.80

Marks: 4
Working:
- Total number of markers = 8 × 12 = 96 markers (This step is not needed to answer the question)
- Total cost = 8 × $15.60 =$ 124.80
Explanation: The question asks for the total cost of all the markers. Since each box costs $15.60 and there are 8 boxes, we multiply the cost per box by the number of boxes. The information about the number of markers in each box is extra information not needed to solve the problem.
Marking scheme:
- 1 mark for identifying the correct operation (multiplication)
- 1 mark for correct method (8 × $15.60)
- 1 mark for correct working
- 1 mark for correct final answer ($124.80)
Common mistake: Students may multiply by 12 as well (8 × 12 × $15.60) because they think they need to use all the numbers.

18. $340.00

Marks: 4
Working:
- Cost of apples = 50 × $3.20 =$ 160.00
- Money left = $500.00 -$ 160.00 = $340.00
Explanation: First, find the total cost of the apples by multiplying the weight by the price per kg. Then, subtract the cost of the apples from the amount the fruit seller had.
Marking scheme:
- 1 mark for correct method to find cost of apples
- 1 mark for correct cost of apples ($160.00)
- 1 mark for correct method to find money left
- 1 mark for correct final answer ($340.00)
Common mistake: Dividing instead of multiplying (e.g., $500 ÷$ 3.20).

19. $43.70

Marks: 4
Working:
- Total spent = $12.50 +$ 28.80 + $15.00 =$ 56.30
- Money left = $100.00 -$ 56.30 = $43.70
Explanation: This is a multi-step problem. First, find the total amount Meiling spent by adding the cost of the book, the dress, and the money given to her sister. Then, subtract the total spent from the amount she had at first.
Marking scheme:
- 1 mark for correct method to find total spent
- 1 mark for correct total spent ($56.30)
- 1 mark for correct method to find money left
- 1 mark for correct final answer ($43.70)
Common mistake: Forgetting to include the $15.00 given to her sister as part of the money she no longer has.

20. $558.50

Marks: 4
Working:
- Money from cakes = 25 × $18.50 =$ 462.50
- Money from tarts = 40 × $2.40 =$ 96.00
- Total money collected = $462.50 +$ 96.00 = $558.50
Explanation: First, find the money collected from selling cakes by multiplying the number of cakes by the price per cake. Then, find the money collected from selling tarts by multiplying the number of tarts by the price per tart. Finally, add the two amounts to find the total money collected.
Marking scheme:
- 1 mark for correct method to find money from cakes
- 1 mark for correct money from cakes ($462.50)
- 1 mark for correct method to find money from tarts and adding
- 1 mark for correct final answer ($558.50)
Common mistake: Adding the number of items (25 + 40 = 65) and then multiplying by an average price, which is incorrect.