AI Generated Quiz

Primary 1 Mathematics Money Quiz

Free P1 Maths Money quiz, LongCat AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 1 Mathematics AI Generated Generated by LongCat 2.0 LLM Updated 2026-08-17

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Answers

Primary 1 Mathematics Quiz - Money

Answer Key


Section A: Recognising Coins and Notes

1. 50 cents (or 50¢)
Marking: 1 mark for correct answer. Accept "50 cents", "50¢", or "fifty cents".


2. (B) 10-cent coin
Marking: 1 mark for circling or writing B.


3. 2(or2dollars)Marking:1markforcorrectanswer.Accept"2 (or 2 dollars) *Marking: 1 mark for correct answer. Accept "2", "2 dollars", or "two dollars".*


4. Correct matches:

  • 🟡 Gold coin → 50 cents
  • ⚪ Silver coin → 20 cents
  • 🟤 Small bronze coin → 5 cents

Marking: 1 mark for all three correct. 0 marks if any are wrong.


5. 5 coins
Marking: 1 mark. Reasoning: 10¢ + 10¢ + 10¢ + 10¢ + 10¢ = 50¢. Common mistake: writing "10" instead of "5".


Section B: Counting Money

6. 1.50(or150¢)Marking:2marks.1markforcorrectaddition(50+50+50=150),1markforcorrectunit.Accept"1.50 (or 150¢) *Marking: 2 marks. 1 mark for correct addition (50 + 50 + 50 = 150), 1 mark for correct unit. Accept "1.50" or "150 cents".*


7. 1.00(or100¢)Working:50¢+20¢+20¢+10¢=100¢=1.00 (or 100¢) *Working: 50¢ + 20¢ + 20¢ + 10¢ = 100¢ = 1.00*
Marking: 2 marks. 1 mark for correct addition steps, 1 mark for correct final answer with unit.


8. 1.00(or100¢)Working:20¢+20¢+20¢+20¢+20¢=100¢=1.00 (or 100¢) *Working: 20¢ + 20¢ + 20¢ + 20¢ + 20¢ = 100¢ = 1.00*
Marking: 2 marks. 1 mark for correct multiplication or repeated addition, 1 mark for correct answer.


9. 1.10(or110¢)Working:50¢+50¢+10¢=110¢=1.10 (or 110¢) *Working: 50¢ + 50¢ + 10¢ = 110¢ = 1.10*
Marking: 2 marks. 1 mark for correct working, 1 mark for correct final answer.


10. 1.40(or140¢)Working:50¢+50¢+20¢+10¢+10¢=140¢=1.40 (or 140¢) *Working: 50¢ + 50¢ + 20¢ + 10¢ + 10¢ = 140¢ = 1.40*
Marking: 2 marks. 1 mark for correct addition, 1 mark for correct final answer with unit.


Section C: Comparing Money

11. Both have the same amount (1.00each).Working:Siti:50¢+50¢=100¢=1.00 each). *Working: Siti: 50¢ + 50¢ = 100¢ = 1.00. Ali: 20¢ + 20¢ + 20¢ + 20¢ + 20¢ = 100¢ = $1.00.*
Marking: 2 marks. 1 mark for calculating each person's total correctly, 1 mark for correct comparison. Accept "same" or "equal". Common mistake: thinking more coins means more money.


12. 50¢, 80¢, 1.20,1.20, 2.00
Working: Convert all to cents if needed: 50¢, 80¢, 120¢, 200¢.
Marking: 2 marks. 1 mark for correct order, 1 mark for correct units. All four must be in correct order for full marks.


13. Less than
Working: 30¢ < 50¢
Marking: 2 marks. Accept "less than", "smaller than", or "<".


14. The pencil costs less. It costs 15¢ less.
Working: 60¢ − 45¢ = 15¢
Marking: 2 marks. 1 mark for identifying the pencil, 1 mark for correct difference of 15¢.


15. Group A = 70¢, Group B = 60¢. Group A has more money.
Working: Group A: 50¢ + 20¢ = 70¢. Group B: 20¢ + 20¢ + 20¢ = 60¢. 70¢ > 60¢.
Marking: 2 marks. 1 mark for correct totals, 1 mark for correct comparison.


Section D: Using Money

16. Yes, she has enough.
Working: 20¢ + 10¢ + 10¢ = 40¢. 40¢ > 30¢, so she has enough.
Marking: 2 marks. 1 mark for correct total (40¢), 1 mark for correct conclusion ("yes" or "enough").


17. 30¢
Working: 80¢ − 50¢ = 30¢
Marking: 2 marks. 1 mark for correct subtraction, 1 mark for correct answer with unit.


18. (A) 🟡 + 🟡 (50¢ + 50¢)
Working: 50¢ + 50¢ = 100¢ = $1.00. Option B = 90¢, Option C = 60¢, Option D = 90¢.
Marking: 2 marks. 1 mark for selecting A, 1 mark for showing working or reasoning.


19. She spends 1.10andhas40¢left.Working:Totalspent:70¢+40¢=110¢=1.10 and has 40¢ left. *Working: Total spent: 70¢ + 40¢ = 110¢ = 1.10. Money left: 1.501.50 − 1.10 = 40¢.*
Marking: 2 marks. 1 mark for correct total spent, 1 mark for correct amount left.


20.
(a) 70¢
Working: 50¢ + 20¢ = 70¢

(b) Yes, he has enough.
Working: 70¢ > 60¢, so he has enough to buy the keychain.

Marking: 2 marks total. 1 mark for correct answer to (a), 1 mark for correct answer to (b) with reasoning. Common mistake in (b): saying "no" because the numbers look close — encourage students to compare the actual values.


Summary of Marks

SectionQuestionsMarks per QuestionSection Total
A1–515
B6–10210
C11–15210
D16–20210
Total20 questions30 marks

Notes for Marking

  • Accept answers in cents (¢) or dollars ($) where appropriate, as long as the unit is clearly stated.
  • For questions requiring working, award process marks even if the final answer is incorrect, provided the method is correct.
  • Common errors to watch for:
    • Confusing the number of coins with the value of coins (e.g., "5 coins" vs "5 cents").
    • Not converting between cents and dollars correctly (100¢ = $1.00).
    • Subtraction errors in change problems — encourage students to check by adding the change back to the cost.