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Primary 2 Mathematics Money Quiz

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Primary 2 Mathematics AI Generated Generated by Kimi K2 6 Free Updated 2026-06-07
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Questions

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Primary 2 Mathematics Quiz - Money

Name: _________________________ Class: _________ Date: _____________

Score: _______ / 40

Duration: 40 minutes

Total Marks: 40

Instructions: Answer all questions. Show your working for questions that need calculation. Write your answers in the spaces provided.

Section A: Identifying and Writing Money Values (Questions 1–5)

2 marks each

1. Write \5.60$ in cents.

2. How many twenty-cent coins make \1.00$?

3. Write 345 cents in dollars and cents.

4. Circle the greatest amount: \2.75    275cents    ~~ ~~ 275 cents ~~ ~~$2.50    250cents    ~~ ~~ 250 cents ~~ ~~$3.05$

5. Fill in the blank: \4.80 = ______$ cents

Section B: Counting Money and Making Amounts (Questions 6–10)

2 marks each

6. Mei Ling has these coins in her purse:

<image_placeholder> id: Q6-fig1 type: diagram linked_question: Q6 description: Four Singapore coins arranged in a row: one 50-cent coin, two 20-cent coins, and one 10-cent coin. Each coin clearly labelled with its value. labels: 50¢, 20¢, 20¢, 10¢ values: 50, 20, 20, 10 must_show: All four coins with value labels visible, coins distinct and identifiable </image_placeholder>

How much money does Mei Ling have altogether?

7. Raj wants to buy a notebook that costs \1.80.Hehasone. He has one $1$ coin and some twenty-cent coins. What is the fewest number of twenty-cent coins he needs?

8. Complete the table:

Dollars and CentsCents Only
\3.25$_______
\7.00$_______
_______460 cents

9. A sticker costs 60 cents. Sara has three 20-cent coins. Does she have enough money? Circle Yes or No, then explain.

Yes / No

Explanation: _______________________________________________

10. What is the total value of: two \1$ notes + one 50-cent coin + three 10-cent coins?

Section C: Addition and Subtraction of Money (Questions 11–15)

2 marks each

11. \2.35 + $1.40 = ______$

Show your working:

12. Amy has \5.00.Shebuysapencilfor. She buys a pencil for $1.25$. How much money does she have left?

Show your working:

13. Mr Tan buys a pen for \3.50andarulerforand a ruler for$1.50.Hegivestheshopkeeper. He gives the shopkeeper $10$. How much change does he receive?

Show your working:

14. \4.00 - $2.65 = ______$

Show your working:

15. Jill has \3.80.Herbrothergivesher. Her brother gives her $2.20more.Shethenspendsmore. She then spends$4.50$ on a book. How much money does Jill have in the end?

Show your working:

Section D: Word Problems and Real-Life Applications (Questions 16–20)

2 marks each

16. The price list at a school bookshop is shown below:

<image_placeholder> id: Q16-fig1 type: table linked_question: Q16 description: A simple price list table for school stationery items with 4 rows and 2 columns labels: Item, Price values: Exercise book = 1.20,Pencil=1.20, Pencil = 0.80, Eraser = 0.50,Ruler=0.50, Ruler = 1.00 must_show: All four items with exact prices in dollars and cents, clear table format with visible borders or distinct rows </image_placeholder>

Tom buys one exercise book and one pencil. How much does he spend altogether?

Show your working:

17. Using the same price list in Question 16, Mary has \2.00$. She buys an eraser. Can she buy a ruler with the money left? Circle Yes or No, then show your working.

Yes / No

Show your working:

18. Mrs Lee buys 3 identical files for \6.00$ altogether. What is the cost of one file?

Show your working:

19. Ken saves 50 cents every day. How many days will he take to save \3.50$?

Show your working:

20. A muffin costs \1.60$. A cupcake costs 90 cents. What is the difference in their prices? (Give your answer in dollars and cents.)

Show your working:

End of Quiz

Answers

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Primary 2 Mathematics Quiz - Money: Answer Key

Total Marks: 40 (20 questions × 2 marks each)

Section A: Identifying and Writing Money Values

1. Write \5.60$ in cents.

Answer: 560 cents

Explanation:

  • The dollar sign $$$ shows dollars, and the number after the decimal point shows cents.
  • \5.60$ means 5 dollars and 60 cents.
  • Since 1 dollar = 100 cents, we multiply: 5×100=5005 \times 100 = 500 cents.
  • Then add the remaining cents: 500+60=560500 + 60 = 560 cents.
  • Common mistake: Writing 5060 or just 56. Remember to convert dollars to cents properly.

Marks: 2

2. How many twenty-cent coins make \1.00$?

Answer: 5 coins

Explanation:

  • \1.00 = 100$ cents.
  • Each coin is worth 20 cents.
  • We need to find how many 20s make 100: 20+20+20+20+20=10020 + 20 + 20 + 20 + 20 = 100, or 100÷20=5100 \div 20 = 5.
  • You can also count: 20, 40, 60, 80, 100 — that's 5 counts.
  • Common mistake: Answering 20 (confusing the coin value with the quantity).

Marks: 2

3. Write 345 cents in dollars and cents.

Answer: \3.45$

Explanation:

  • To convert cents to dollars and cents, we split into hundreds.
  • 345 cents = 300 cents + 45 cents.
  • Since 100 cents = \1,wehave:, we have: 300 \div 100 = 3$ dollars.
  • The remaining 45 cents stays as cents.
  • So 345 cents = \3.45$ (3 dollars and 45 cents).
  • Key idea: The decimal point separates dollars from cents. Always write 2 digits after the decimal.

Marks: 2

4. Circle the greatest amount.

Answer: \3.05$ should be circled.

Explanation:

  • First, convert everything to the same form for easy comparison. Let's use dollars and cents:
    • \2.75$ = 2 dollars 75 cents
    • 275 cents = \2.75(since(since275 \div 100 = 2$ remainder 75)
    • \2.50$ = 2 dollars 50 cents
    • 250 cents = \2.50$
    • \3.05$ = 3 dollars 5 cents
  • Compare: \2.75,, $2.75,, $2.50,, $2.50,, $3.05$
  • \3.05$ is greatest because 3 dollars is more than 2 dollars.
  • Common mistake: Thinking 275 cents is more than \3.05$ because 275 looks bigger than 3. Always convert to same units!

Marks: 2

5. Fill in the blank: \4.80 = ______$ cents

Answer: 480 cents

Explanation:

  • \4.80$ means 4 dollars and 80 cents.
  • Convert dollars to cents: 4×100=4004 \times 100 = 400 cents.
  • Add the remaining cents: 400+80=480400 + 80 = 480 cents.
  • Shortcut: For dollars to cents, remove the dollar sign and decimal point. \4.80 \rightarrow$ move decimal: 480.

Marks: 2

Section B: Counting Money and Making Amounts

6. Mei Ling has these coins in her purse. How much money does she have altogether?

Expected image: Four Singapore coins: 50¢, 20¢, 20¢, 10¢

Answer: \1.00$ (or 100 cents)

Explanation:

  • Add the values step by step:
    • 50 cents + 20 cents = 70 cents
    • 70 cents + 20 cents = 90 cents
    • 90 cents + 10 cents = 100 cents
  • 100 cents = \1.00$
  • Method tip: Group coins to make friendly numbers. 50 + 20 + 20 + 10: you could do 50 + 10 = 60, then 20 + 20 = 40, then 60 + 40 = 100.

Marks: 2

7. Raj wants to buy a notebook that costs \1.80.Hehasone. He has one $1$ coin and some twenty-cent coins. What is the fewest number of twenty-cent coins he needs?

Answer: 4 twenty-cent coins

Explanation:

  • Cost of notebook: \1.80 = 180$ cents.
  • Raj has: \1$ coin = 100 cents.
  • Amount still needed: 180−100=80180 - 100 = 80 cents.
  • Each twenty-cent coin is worth 20 cents.
  • How many 20s in 80? 20+20+20+20=8020 + 20 + 20 + 20 = 80, or 80÷20=480 \div 20 = 4.
  • Check: \1.00 + $0.80 = $1.80$ ✓
  • "Fewest" means we want the smallest number of coins. Using four 20¢ coins is better than using eight 10¢ coins or other combinations.

Marks: 2

8. Complete the table.

Answer:

Dollars and CentsCents Only
\3.25$325 cents
\7.00$700 cents
\4.60$460 cents

Explanation:

  • First row: \3.25 \rightarrowremoveremove$$ and decimal: 325 cents.
  • Second row: \7.00 \rightarrow 7 \times 100 = 700$ cents.
  • Third row: 460 cents →460÷100=4\rightarrow 460 \div 100 = 4 remainder 60, so \4.60$.
  • Pattern: Cents to dollars: divide by 100, put decimal point 2 places from right. Dollars to cents: multiply by 100, or remove decimal.

Marks: 2 (all three correct needed for full marks; 1 mark for two correct)

9. A sticker costs 60 cents. Sara has three 20-cent coins. Does she have enough money?

Answer: Yes

Explanation:

  • Sara has: 3 × 20 cents = 60 cents.
  • Sticker costs: 60 cents.
  • Compare: 6060 cents =60= 60 cents.
  • She has exactly enough. She does not have extra, but she does have enough.
  • Note: "Enough" means ≥ (greater than or equal to), not just >.

Marks: 2 (1 mark for correct Yes/No, 1 mark for correct explanation or working)

10. What is the total value of: two \1$ notes + one 50-cent coin + three 10-cent coins?

Answer: \2.80$ (or 280 cents)

Explanation:

  • Two \1notes:notes:2 \times $1 = $2.00$
  • One 50-cent coin: \0.50$
  • Three 10-cent coins: 3×10=303 \times 10 = 30 cents = \0.30$
  • Total: \2.00 + $0.50 + $0.30 = $2.80$
  • Step-by-step: Add dollars first: \2.00.Thenaddcents:50+30=80cents.Finalanswer:. Then add cents: 50 + 30 = 80 cents. Final answer: $2.80$.

Marks: 2

Section C: Addition and Subtraction of Money

11. \2.35 + $1.40 = ______$

Answer: \3.75$

Working:

  $2.35
+ $1.40
-------
  $3.75
  • Step 1: Add cents: 35 cents + 40 cents = 75 cents.
  • Step 2: Add dollars: \2 + $1 = $3$.
  • Step 3: Combine: \3.75$.
  • Important: Line up the decimal points when adding. The answer has 2 digits after the decimal.

Marks: 2

12. Amy has \5.00.Shebuysapencilfor. She buys a pencil for $1.25$. How much money does she have left?

Answer: \3.75$

Working:

  $5.00
- $1.25
-------
  $3.75
  • Step 1: \5.00 = $4.00++$1.00 = $4.00$ + 100 cents
  • Step 2: 100 cents - 25 cents = 75 cents
  • Step 3: \4.00 - $1.00 = $3.00$
  • Step 4: \3.00+75cents=+ 75 cents =$3.75$

Or using decomposition:

  • \5.00 - $1.00 = $4.00$
  • \4.00 - $0.20 = $3.80$
  • \3.80 - $0.05 = $3.75$

Marks: 2 (1 mark for correct method, 1 mark for correct answer)

13. Mr Tan buys a pen for \3.50andarulerforand a ruler for$1.50.Hegivestheshopkeeper. He gives the shopkeeper $10$. How much change does he receive?

Answer: \5.00$

Working:

  • Step 1: Total cost = \3.50 + $1.50 = $5.00$
  • Step 2: Change = \10.00 - $5.00 = $5.00$
  $3.50
+ $1.50
-------
  $5.00

 $10.00
- $5.00
-------
  $5.00
  • Two-step problem: First find total spent, then subtract from amount given.

Marks: 2 (1 mark for total cost, 1 mark for final change)

14. \4.00 - $2.65 = ______$

Answer: \1.35$

Working:

  $4.00
- $2.65
-------
  $1.35
  • Step 1: \4.00 = $3.00$ + 100 cents
  • Step 2: 100 cents - 65 cents = 35 cents
  • Step 3: \3.00 - $2.00 = $1.00$
  • Step 4: \1.00+35cents=+ 35 cents =$1.35$

Or: \4.00 - $2.00 = $2.00;; $2.00 - $0.65 = $1.35$

Marks: 2

15. Jill has \3.80.Herbrothergivesher. Her brother gives her $2.20more.Shethenspendsmore. She then spends$4.50$ on a book. How much money does Jill have in the end?

Answer: \1.50$

Working:

  • Step 1: Money after receiving from brother: \3.80 + $2.20 = $6.00$
  • Step 2: Money after buying book: \6.00 - $4.50 = $1.50$
  $3.80
+ $2.20
-------
  $6.00

  $6.00
- $4.50
-------
  $1.50
  • Multi-step problem: Work through each event in order. Notice that \3.80 + $2.20makesafriendlynumbermakes a friendly number$6.00because80+20=100cents=because 80 + 20 = 100 cents =$1.00$.

Marks: 2 (1 mark for intermediate step correct, 1 mark for final answer)

Section D: Word Problems and Real-Life Applications

16. Tom buys one exercise book and one pencil. How much does he spend altogether?

Expected image: Price list showing Exercise book = \1.20,Pencil=, Pencil = $0.80$

Answer: \2.00$

Working:

  • Cost of exercise book: \1.20$
  • Cost of pencil: \0.80$
  • Total: \1.20 + $0.80 = $2.00$
  $1.20
+ $0.80
-------
  $2.00
  • Note: 20 cents + 80 cents = 100 cents = \1.00,so, so $1 + $1 = $2$.

Marks: 2

17. Using the same price list, Mary has \2.00$. She buys an eraser. Can she buy a ruler with the money left?

Expected image: Price list showing Eraser = \0.50,Ruler=, Ruler = $1.00$

Answer: Yes

Working:

  • Mary has: \2.00$
  • Cost of eraser: \0.50$
  • Money left: \2.00 - $0.50 = $1.50$
  • Cost of ruler: \1.00$
  • Compare: \1.50 > $1.00$, so yes, she can buy the ruler.
  • She would have \0.50$ left after both purchases.

Marks: 2 (1 mark for correct Yes/No with working, 1 mark for correct comparison or explanation)

18. Mrs Lee buys 3 identical files for \6.00$ altogether. What is the cost of one file?

Answer: \2.00$

Working:

  • 3 files cost \6.00$ total.
  • Cost of one file = \6.00 \div 3 = $2.00$
  • Check: \2.00 + $2.00 + $2.00 = $6.00$ ✓
  • Concept: "Identical" means same price. Division shares the total equally.

Marks: 2

19. Ken saves 50 cents every day. How many days will he take to save \3.50$?

Answer: 7 days

Working:

  • First, convert to same units: \3.50 = 350$ cents.
  • Daily saving: 50 cents.
  • Number of days = 350÷50=7350 \div 50 = 7
  • Or count: 50, 100, 150, 200, 250, 300, 350 — that's 7 steps.

Or in dollars:

  • \0.50 \times 7 = $3.50$

Marks: 2

20. A muffin costs \1.60$. A cupcake costs 90 cents. What is the difference in their prices? (Give your answer in dollars and cents.)

Answer: \0.70$ or 70 cents

Working:

  • Convert to same units: 90 cents = \0.90$
  • Difference: \1.60 - $0.90 = $0.70$
  $1.60
- $0.90
-------
  $0.70
  • Important: The question asks for "dollars and cents," so \0.70$ is preferred over just "70 cents," though both represent the same value.
  • "Difference" means subtraction. Always subtract the smaller from the larger.

Marks: 2

End of Answer Key