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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 04 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:

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 (10 × 1 mark = 10 marks)

Questions 1 to 5: Circle the correct answer for each question.

1. What is the total amount of 2 five-dollar notes, 3 two-dollar notes, and 1 fifty-cent coin?

(A) $15.50
(B) $16.50
(C) $17.50
(D) $18.50

Answer: ________

2. Sarah has $25.60. She buys a storybook for$ 12.80. How much money does she have left?

(A) $12.80
(B) $13.20
(C) $12.20
(D) $13.80

Answer: ________

3. Which set of coins and notes has the greatest value?

(A) 3 ten-dollar notes
(B) 2 ten-dollar notes and 4 two-dollar notes
(C) 1 ten-dollar note and 6 two-dollar notes
(D) 5 five-dollar notes

Answer: ________

4. A pencil costs 80 cents. A ruler costs $1.20. How much do 2 pencils and 1 ruler cost altogether?

(A) $2.00
(B) $2.40
(C) $2.80
(D) $3.20

Answer: ________

5. Mr Lim pays for a $38.50 meal with a$ 50 note. How much change does he receive?

(A) $11.50
(B) $12.50
(C) $10.50
(D) $13.50

Answer: ________

Section B: Short-Answer Questions (10 × 2 marks = 20 marks)

Questions 6 to 15: Show your working clearly in the space provided.

6. Add $14.75 and$ 23.40. Write your answer in dollars and cents.

Answer: $ ________

7. Subtract $45.90 from$ 80.00.

Answer: $ ________

8. A packet of biscuits costs $3.50. A bottle of juice costs$ 2.80. What is the total cost of 2 packets of biscuits and 1 bottle of juice?

Answer: $ ________

9. Mei Ling has $50. She buys a dress for$ 28.90 and a pair of socks for $4.50. How much money does she have left?

Answer: $ ________

10. A toy car costs $12.50. A teddy bear costs$ 8.75. How much more does the toy car cost than the teddy bear?

Answer: $ ________

11. Find the missing amount: $36.20 + ________ =$ 50.00

Answer: $ ________

12. A box of chocolates costs $15.80. A box of cookies costs$ 9.90. What is the total cost of both boxes?

Answer: $ ________

13. Wei Jun has three $10 notes and two$ 2 coins. How much money does he have in total?

Answer: $ ________

14. A school bag costs $32.50. A water bottle costs$ 6.80. If you pay with a $50 note, how much change will you receive?

Answer: $ ________

15. Mrs Tan buys 3 identical notebooks for $12.60. What is the cost of 1 notebook?

Answer: $ ________

Section C: Problem-Solving Questions (5 × 2 marks = 10 marks)

Questions 16 to 20: Show your working clearly. Each question is worth 2 marks.

16. At a school fair, a game stall collected $45.80 in the morning and$ 67.50 in the afternoon. How much did the stall collect altogether?

Answer: $ ________

17. A shop sells a pair of shoes for $42.90. During a sale, the price is reduced by$ 8.50. What is the sale price of the shoes?

Answer: $ ________

18. Ravi has $75. He spends$ 23.60 on a book and $15.40 on a game. How much money does Ravi have left?

Answer: $ ________

19. A fruit seller has $100. He buys apples for$ 38.50 and oranges for $27.80. How much money does he have left after buying the fruits?

Answer: $ ________

20. A cinema ticket costs $9.50 for a child and$ 14.00 for an adult. What is the total cost for 2 children and 1 adult?

Answer: $ ________

END OF QUIZ

Total Marks: 40

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Answers

Primary 3 Mathematics Quiz - Money: Answer Key

Total Marks: 40

Section A: Multiple-Choice Questions (10 × 1 mark = 10 marks)

Question 1

Answer: (B) $16.50

Working:

2 five-dollar notes = 2 × $5 =$ 10.00
3 two-dollar notes = 3 × $2 =$ 6.00
1 fifty-cent coin = $0.50
Total = $10.00 +$ 6.00 + $0.50 =$ 16.50

Teaching Note: When adding money, first add the whole dollars, then add the cents. Here, $10 +$ 6 = $16, and then add$ 0.50 to get $16.50.

Marking: 1 mark for correct answer.

Question 2

Answer: (A) $12.80

Working: $25.60 -$ 12.80 = $12.80

Teaching Note: To subtract money with cents, subtract the cents first (60¢ - 80¢ requires regrouping: borrow $1 from$ 25, making it $24.60 +$ 1.00 = $25.60 →$ 24.60 + $1.00 =$ 25.60, so 160¢ - 80¢ = 80¢, then $24 -$ 12 = $12). Result:$ 12.80.

Marking: 1 mark for correct answer.

Question 3

Answer: (D) 5 five-dollar notes

Working:

(A) 3 × $10 =$ 30.00
(B) 2 × $10 + 4 ×$ 2 = $20 +$ 8 = $28.00
(C) 1 × $10 + 6 ×$ 2 = $10 +$ 12 = $22.00
(D) 5 × $5 =$ 25.00

Wait, let me recalculate: (A) $30, (B)$ 28, (C) $22, (D)$ 25. The greatest is (A) $30.

Corrected Answer: (A) 3 ten-dollar notes

Teaching Note: Calculate the value of each option and compare. 3 ten-dollar notes = $30, which is the greatest.

Marking: 1 mark for correct answer.

Question 4

Answer: (C) $2.80

Working:

2 pencils = 2 × 80¢ = 160¢ = $1.60
1 ruler = $1.20
Total = $1.60 +$ 1.20 = $2.80

Teaching Note: Remember to convert cents to dollars when adding. 160¢ = $1.60.

Marking: 1 mark for correct answer.

Question 5

Answer: (A) $11.50

Working: $50.00 -$ 38.50 = $11.50

Teaching Note: To find change, subtract the cost from the amount paid. $50 -$ 38.50 = $11.50.

Marking: 1 mark for correct answer.

Section B: Short-Answer Questions (10 × 2 marks = 20 marks)

Question 6

Answer: $38.15

Working:

  $14.75
+ $23.40
--------
  $38.15

Teaching Note: Align the decimal points when adding money. Add the cents first (75¢ + 40¢ = 115¢ = $1.15, carry$ 1), then add the dollars ( $14 +$ 23 + $1 =$ 38).

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 7

Answer: $34.10

Working:

  $80.00
- $45.90
--------
  $34.10

Teaching Note: Align the decimal points. Since 0¢ - 90¢ is not possible, regroup: $80.00 =$ 79.00 + $1.00 =$ 79.00 + 100¢. Then 100¢ - 90¢ = 10¢, and $79 -$ 45 = $34.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 8

Answer: $9.80

Working:

2 packets of biscuits = 2 × $3.50 =$ 7.00
1 bottle of juice = $2.80
Total = $7.00 +$ 2.80 = $9.80

Teaching Note: First find the cost of 2 packets of biscuits by multiplying, then add the cost of the juice.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 9

Answer: $16.60

Working:

Total spent = $28.90 +$ 4.50 = $33.40
Money left = $50.00 -$ 33.40 = $16.60

Teaching Note: This is a two-step problem. First add the costs of the items, then subtract from the total amount Mei Ling had.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 10

Answer: $3.75

Working: $12.50 -$ 8.75 = $3.75

Teaching Note: "How much more" means we need to find the difference, which is subtraction.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 11

Answer: $13.80

Working: $50.00 -$ 36.20 = $13.80

Teaching Note: To find the missing amount, subtract the known amount from the total. This is the inverse operation of addition.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 12

Answer: $25.70

Working:

  $15.80
+ $ 9.90
--------
  $25.70

Teaching Note: Align the decimal points and add. 80¢ + 90¢ = 170¢ = $1.70, carry$ 1. $15 +$ 9 + $1 =$ 25.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 13

Answer: $34.00

Working:

3 ten-dollar notes = 3 × $10 =$ 30.00
2 two-dollar coins = 2 × $2 =$ 4.00
Total = $30.00 +$ 4.00 = $34.00

Teaching Note: Multiply to find the value of the notes and coins, then add them together.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 14

Answer: $10.70

Working:

Total cost = $32.50 +$ 6.80 = $39.30
Change = $50.00 -$ 39.30 = $10.70

Teaching Note: First find the total cost of both items, then subtract from the $50 note to find the change.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 15

Answer: $4.20

Working: $12.60 ÷ 3 =$ 4.20

Teaching Note: To find the cost of 1 notebook, divide the total cost by the number of notebooks. $12.60 ÷ 3 =$ 4.20.

Marking: 1 mark for correct method, 1 mark for correct answer.

Section C: Problem-Solving Questions (5 × 2 marks = 10 marks)

Question 16

Answer: $113.30

Working:

  $ 45.80
+ $ 67.50
---------
  $113.30

Teaching Note: "Altogether" means addition. Align the decimal points and add.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 17

Answer: $34.40

Working: $42.90 -$ 8.50 = $34.40

Teaching Note: "Reduced by" means subtraction. The sale price is the original price minus the reduction.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 18

Answer: $36.00

Working:

Total spent = $23.60 +$ 15.40 = $39.00
Money left = $75.00 -$ 39.00 = $36.00

Teaching Note: This is a two-step problem. First find the total spent, then subtract from the starting amount.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 19

Answer: $33.70

Working:

Total spent on fruits = $38.50 +$ 27.80 = $66.30
Money left = $100.00 -$ 66.30 = $33.70

Teaching Note: First add the cost of the apples and oranges, then subtract from $100.

Marking: 1 mark for correct method, 1 mark for correct answer.

Question 20

Answer: $33.00

Working:

2 children's tickets = 2 × $9.50 =$ 19.00
1 adult ticket = $14.00
Total = $19.00 +$ 14.00 = $33.00

Teaching Note: First find the cost of the children's tickets by multiplying, then add the adult ticket cost.

Marking: 1 mark for correct method, 1 mark for correct answer.

Common Mistakes to Highlight

Forgetting to align decimal points when adding or subtracting money.
Mixing up dollars and cents — always convert cents to dollars when the total exceeds 100 cents.
Using the wrong operation — "how much more" means subtraction, "altogether" means addition.
Forgetting to regroup when subtracting money with cents (e.g., $80.00 -$ 45.90 requires borrowing).
Not showing working — always show the steps to earn method marks even if the final answer is wrong.