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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 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:

This quiz is about MONEY.
Show all your working clearly for calculation questions.
Write your answers in the blanks or spaces provided.
You may use a calculator.

Section A: Multiple-Choice Questions (10 marks)

Questions 1 to 5 carry 1 mark each. Circle the correct answer.

Which of the following is the same as $12.45? (1) 12 dollars and 45 cents (2) 1245 dollars (3) 1245 cents (4) 12 dollars and 4 cents
Siti has $25. She buys a book for$ 8.90. How much money does she have left? (1) $16.10 (2)$ 17.10 (3) $16.90 (4)$ 33.90
What is the total amount shown below?

Diagram for Q3 (P4 Maths)

Generated diagram for Q3.

(1) $12.70
(2) $13.20
(3) $13.70
(4) $12.20

4. A pen costs $2.40. How much do 5 such pens cost? (1)$ 10.00 (2) $12.00 (3)$ 2.45 (4) $7.40

A packet of biscuits costs $3.50. If Mr Tan pays with a$ 10 note, what is his change? (1) $13.50 (2)$ 6.50 (3) $7.50 (4)$ 3.50

Questions 6 to 10 carry 1 mark each. Circle the correct answer.

Sofia saved $50. She spent$ 12.50 on a toy and $8.75 on a book. How much did she spend in total? (1)$ 21.25 (2) $41.25 (3)$ 28.75 (4) $20.25
A water bottle costs $8. Last week, it was sold at a discount of$ 1.50. What was the discounted price? (1) $6.50 (2)$ 9.50 (3) $1.50 (4)$ 7.50
Which set of coins shows $0.45? (1) 1 twenty-cent coin and 2 ten-cent coins (2) 1 fifty-cent coin and 1 ten-cent coin (3) 2 twenty-cent coins and 1 five-cent coin (4) 1 twenty-cent coin and 1 ten-cent coin and 1 five-cent coin
What is the value of 5 ten-cent coins and 4 fifty-cent coins? (1) $2.00 (2)$ 2.50 (3) $0.90 (4)$ 4.50
Roy had $30. He bought a shirt for$ 18.60 and a tie for $9.40. How much did he have left? (1)$ 28.00 (2) $2.00 (3)$ 12.00 (4) $4.00

Section B: Short-Answer Questions (15 marks)

Questions 11 to 16 carry 2 marks each. Show your working clearly in the space provided. Write your answer in the blank.

Complete the following: $5.60 +$ 2.35 = ________
Ling saved $50. She spent$ 12.50 on a present for her mother and $8.80 on a card. How much did she spend in total?

Answer: ________
A pencil case costs $6.95. Adi paid with a$ 10 note. How much change did he receive?

Answer: ________
Mary bought 3 identical notebooks. The total cost was $8.70. What was the cost of one notebook?

Answer: ________
Ali had $20. He bought a book for$ 12.40 and a pen for $3.60. How much money does he have left?

Answer: ________
Mrs Lim bought 2 kg of rice for $4.80. She also bought a packet of chicken for$ 7.50. How much did she pay in total?

Answer: ________

Section C: Problem-Solving Questions (15 marks)

Questions 17 to 20 carry 3 marks each. Show your working and write your final answer clearly.

Peter saved some money. He used $\frac{1}{2}$ of his money to buy a toy car that cost $15. How much money did Peter have at first?

Answer: ________
Jenny had $50. She spent some money on a dress and$ \frac{1}{2} $of the remaining money on a bag. She had$ 15 left. How much did the dress cost?

Answer: ________
A shop sells muffins at $1.80 each. During a promotion, every 3 muffins bought, the 4th muffin is free. What is the least amount of money a customer needs to pay to get 8 muffins?

Answer: ________
Sam, Tom, and Uma shared some money. Sam received $15. Tom received$ 8 more than Sam. Uma received twice as much money as Tom. What was the total amount of money they shared?

Answer: ________

— End of Quiz —

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Answers

Answer Key - Primary 4 Mathematics Quiz - Money

Total Marks: 40

Section A: Multiple-Choice Questions (10 marks)

Each question is 1 mark.

(1) 12 dollars and 45 cents
- Explanation: The decimal separates the dollars from the cents. $12.45 is read as "12 dollars and 45 cents." Option (3) is 1245 cents, which is$ 12.45, but the question asks for the same as the written form $12.45, not the value in cents. "12 dollars and 45 cents" is the direct reading.
- Common Mistake: Students might confuse the decimal as a comma and choose (4) or misinterpret cents and dollars.
(1) $16.10
- Working: $25.00 -$ 8.90 = $16.10
- Explanation: To find the amount left, we subtract the cost of the book from the money Siti had. Align the decimal points to subtract: 25.00 - 8.90 = 16.10.
- Common Mistake: Forgetting to "borrow" when subtracting 90 cents from 0 cents.
(2) $13.20
- Working: $10 +$ 2 + $0.50 +$ 0.50 + $0.20 =$ 13.20
- Explanation: Add the value of each coin and note. The two 50-cent coins make $1. So,$ 10 + $2 +$ 0.50 + $0.50 +$ 0.20 = $10 +$ 2 + $1.00 +$ 0.20 = $13.20.
(2) $12.00
- Working: $2.40 × 5 =$ 12.00
- Explanation: The cost of one pen multiplied by the number of pens gives the total cost. $2.40 × 5 =$ 12.00.
(2) $6.50
- Working: $10.00 -$ 3.50 = $6.50
- Explanation: The change is the amount paid minus the cost. $10.00 -$ 3.50 = $6.50.
(1) $21.25
- Working: $12.50 +$ 8.75 = $21.25
- Explanation: To find the total spent, we add the cost of the toy and the book.
- Common Mistake: Students might subtract instead of adding.
(1) $6.50
- Working: $8.00 -$ 1.50 = $6.50
- Explanation: A discount means the price is reduced. We subtract the discount from the original price.
(3) 2 twenty-cent coins and 1 five-cent coin
- Working: (2 × $0.20) +$ 0.05 = $0.40 +$ 0.05 = $0.45
- Explanation: Check each option: (1) $0.20 +$ 0.10 + $0.10 =$ 0.40 (2) $0.50 +$ 0.10 = $0.60 (3)$ 0.20 + $0.20 +$ 0.05 = $0.45 (4)$ 0.20 + $0.10 +$ 0.05 = $0.35
(2) $2.50
- Working: (5 × $0.10) + (4 ×$ 0.50) = $0.50 +$ 2.00 = $2.50
- Explanation: Calculate the value of the ten-cent coins and fifty-cent coins separately, then add them.
(2) $2.00
- Working: Total spent = $18.60 +$ 9.40 = $28.00. Money left =$ 30.00 - $28.00 =$ 2.00.
- Explanation: Find the total amount spent first, then subtract from the amount he had at first.
- Common Mistake: Subtracting only one item from $30.

Section B: Short-Answer Questions (15 marks)

Each question is 2 marks. 1 mark for correct method, 1 mark for correct final answer. Award 0 marks for correct answer without working.

$7.95
- Working:
```
   $5.60
+  $2.35
--------
   $7.95
```
- Explanation: Align the decimal points and add. 60 cents + 35 cents = 95 cents.
$21.30
- Working: $12.50 +$ 8.80 = $21.30
- Explanation: To find the total amount spent, add the cost of the present and the card.
- Marking: 1 mark for correct addition, 1 mark for correct answer with dollar sign.
$3.05
- Working: $10.00 -$ 6.95 = $3.05
- Explanation: Calculate the change by subtracting the cost from the amount paid. $10.00 -$ 6.95 = $3.05.
- Key Concept: This involves subtraction with "borrowing" across the decimal.
$2.90
- Working: $8.70 ÷ 3 =$ 2.90
- Explanation: To find the cost of one notebook, divide the total cost by the number of notebooks. $8.70 ÷ 3 =$ 2.90.
- Common Mistake: Students might multiply instead of dividing.
$4.00
- Working: Total spent = $12.40 +$ 3.60 = $16.00. Money left =$ 20.00 - $16.00 =$ 4.00.
- Explanation: First, find the total amount spent. Then, subtract that from the starting amount.
- Common Mistake: Subtracting only one item from $20.
$12.30
- Working: $4.80 +$ 7.50 = $12.30
- Explanation: The total amount paid is the sum of the cost of the rice and the chicken.

Section C: Problem-Solving Questions (15 marks)

Each question is 3 marks. Award marks for correct method and steps. 1 mark for correct answer with no or limited working.

$30
- Working:
  1. The toy car cost $15, which was$ \frac{1}{2}$ of his money.
  2. This means his total money is twice the cost of the car.
  3. Total money = 2 × $15 =$ 30
- Explanation: Since half of his money was spent on the car, the total money is the whole (which is two halves). So, total = 2 × cost of car.
- Key Concept: Fractions of a quantity. Finding the whole when given a part.
- Marking: 1 mark for identifying $\frac{1}{2}$ = $15. 1 mark for correct method (2 × 15). 1 mark for final answer.
$20
- Working:
  1. Jenny had $50 at first.
  2. After buying the dress, she had some money left.
  3. She spent $\frac{1}{2}$ of the remaining money on a bag and had $15 left.
  4. This means $15 is$ \frac{1}{2}$ of the money left after buying the dress.
  5. So, the money left after buying the dress was 2 × $15 =$ 30.
  6. The dress cost $50 -$ 30 = $20.
- Explanation: This is a working backwards problem. Start from the end. The $15 left is half of what she had after buying the dress. Double it to find the amount after buying the dress. Then subtract from the original$ 50 to find the cost of the dress.
- Key Concept: Working backwards with fractions.
- Marking: 1 mark for identifying $15 as half of the remaining. 1 mark for finding remaining money ($ 30). 1 mark for final answer ($20).
$10.80
- Working:
  1. The promotion is "buy 3, get 1 free." This means you get 4 muffins for the price of 3.
  2. To get 8 muffins, the customer can buy 2 groups of 4.
  3. For the first 4 muffins, she pays for 3: 3 × $1.80 =$ 5.40
  4. For the second 4 muffins, she pays for 3: 3 × $1.80 =$ 5.40
  5. Total cost = $5.40 +$ 5.40 = $10.80.
- Explanation: Identify the deal: you get 4 for the price of 3. For 8 muffins, you get two such deals, so you pay for 6 muffins.
- Key Concept: Multi-step problem solving involving the concept of "free" items.
- Marking: 1 mark for identifying the deal (pay for 3, get 4). 1 mark for finding number of groups (2 groups). 1 mark for final answer ($10.80).
$77
- Working:
  1. Sam received: $15
  2. Tom received: $15 +$ 8 = $23
  3. Uma received: 2 × $23 =$ 46
  4. Total amount: $15 +$ 23 + $46 =$ 77
- Explanation: Break down the problem step-by-step. Find how much each person received, then add them together.
- Key Concept: Multi-step word problems with comparison.
- Marking: 1 mark for finding Tom's share. 1 mark for finding Uma's share. 1 mark for correct total.