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Primary 6 PSLE Mathematics Practice Paper 1

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Primary 6 PSLE Mathematics AI Generated Generated by Tencent HY3 Free Updated 2026-08-17

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Questions

TuitionGoWhere Practice Paper - Mathematics Primary 6 PSLE

TuitionGoWhere Practice Paper (AI) — Version 1 of 5

Subject: Mathematics
Level: Primary 6 PSLE
Paper: Practice Paper (Whole Numbers Focus)
Duration: 45 minutes
Total Marks: 40
Name: ________________________
Class: ________
Date: ________

Instructions:

This practice paper tests Whole Numbers concepts up to 10 million, factors, multiples, primes, rounding, and word problems.
Show all your working clearly.
Write your answers in the spaces provided.
Calculators are not allowed.

Section A (Questions 1–8) — 1 mark each — Subtotal: 8 marks

Write the number 7 045 210 in words.
Answer: ________________________
What is the value of the digit 6 in the number 8 642 019?
Answer: ________________________
Round 4 587 233 to the nearest hundred thousand.
Answer: ________________________
List all the factors of 28.
Answer: ________________________
Which of these numbers is a prime number: 21, 37, 51, 57?
Answer: ________________________
Find the lowest common multiple (LCM) of 6 and 9.
Answer: ________________________
Estimate the value of 5 982 + 3 117 by rounding each number to the nearest thousand.
Answer: ________________________
What is the greatest common factor (GCF) of 24 and 36?
Answer: ________________________

Section B (Questions 9–14) — 2 marks each — Subtotal: 12 marks

A factory produced 1 245 300 toys in January and 1 387 650 toys in February. How many toys were produced in the two months altogether?
Answer: ________________________
A school has 2 460 students. If they are divided equally into 12 classes, how many students are in each class?
Answer: ________________________
Mr Tan earned $48 000 in a year. He saved$ 9 600. What percentage of his earnings did he save?
Answer: ________________________
A number is multiplied by 15 and the result is 645. What is the number?
Answer: ________________________
The population of a town was 845 200. It increased by 13 800 in one year. What was the new population?
Answer: ________________________
A box contains 8 rows of packets with 125 packets in each row. How many packets are there in total?
Answer: ________________________

Section C (Questions 15–20) — 3 marks each — Subtotal: 18 marks

A charity collected $156 000. They spent$ 48 750 on food and $32 250 on books. How much money was left?
Answer: ________________________
A train travelled 1 284 km on Monday and 1 916 km on Tuesday. It needs to travel 5 000 km in three days. How many more km must it travel on Wednesday?
Answer: ________________________
There are 3 600 apples. They are packed into boxes of 24 each. How many boxes are used? If 15 boxes are damaged, how many good boxes remain?
Answer: ________________________
A shop sold 2 345 red pens and 3 678 blue pens. Each pen cost $2. How much money was collected in total?
Answer: ________________________
A number leaves a remainder of 3 when divided by 5 and a remainder of 4 when divided by 6. If the number is between 1 and 50, what is the smallest such number?
Answer: ________________________
A company has 4 800 workers. One quarter are from Division A, one third are from Division B, and the rest from Division C. How many workers are in Division C?
Answer: ________________________

End of Paper

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Answers

TuitionGoWhere Practice Paper — Mathematics Primary 6 PSLE (Answer Key)

Version 1 of 5

Section A (8 marks)

Q1. [1 mark]
Answer: Seven million forty-five thousand two hundred and ten.
Teaching note: Read from left: 7 (millions), 045 (thousands), 210 (ones). No "and" before thousand/hundred except in the final part.

Q2. [1 mark]
Answer: 600 000 (six hundred thousand).
Teaching note: Digit 6 is in the hundred-thousands place: 8,6 42 019 → 6 × 100 000.

Q3. [1 mark]
Answer: 4 600 000.
Teaching note: Look at ten-thousands digit (8). Since 8 ≥ 5, round hundred-thousands up: 4 587 233 → 4 600 000.

Q4. [1 mark]
Answer: 1, 2, 4, 7, 14, 28.
Teaching note: Factors are whole numbers that divide 28 exactly: 1×28, 2×14, 4×7.

Q5. [1 mark]
Answer: 37.
Teaching note: 37 has only 1 and 37 as factors. 21=3×7, 51=3×17, 57=3×19.

Q6. [1 mark]
Answer: 18.
Teaching note: Multiples of 6: 6,12,18,24…; of 9: 9,18,27… LCM is smallest common = 18.

Q7. [1 mark]
Answer: 9 000.
Teaching note: 5 982 → 6 000; 3 117 → 3 000; 6 000 + 3 000 = 9 000.

Q8. [1 mark]
Answer: 12.
Teaching note: Factors of 24: 1,2,3,4,6,8,12,24; of 36: 1,2,3,4,6,9,12,18,36. Greatest common = 12.

Section B (12 marks)

Q9. [2 marks]
Working: 1 245 300 + 1 387 650 = 2 632 950.
Answer: 2 632 950 toys.
Marking: 1 mark for correct addition, 1 mark for unit.

Q10. [2 marks]
Working: 2 460 ÷ 12 = 205.
Answer: 205 students.
Marking: 1 mark method, 1 mark answer.

Q11. [2 marks]
Working: (9 600 ÷ 48 000) × 100% = 0.2 × 100% = 20%.
Answer: 20%.
Marking: 1 mark for fraction, 1 mark for percentage.

Q12. [2 marks]
Working: Number = 645 ÷ 15 = 43.
Answer: 43.
Marking: 1 mark division, 1 mark answer.

Q13. [2 marks]
Working: 845 200 + 13 800 = 859 000.
Answer: 859 000.
Marking: 1 mark add, 1 mark answer.

Q14. [2 marks]
Working: 8 × 125 = 1 000.
Answer: 1 000 packets.
Marking: 1 mark multiply, 1 mark answer.

Section C (18 marks)

Q15. [3 marks]
Working: Total spent = 48 750 + 32 250 = 81 000. Left = 156 000 – 81 000 = 75 000.
Answer: $75 000.
Marking: 1 mark sum spent, 1 mark subtract, 1 mark answer.

Q16. [3 marks]
Working: Mon+Tue = 1 284 + 1 916 = 3 200 km. Remaining = 5 000 – 3 200 = 1 800 km.
Answer: 1 800 km.
Marking: 1 mark total 2 days, 1 mark subtract, 1 mark answer.

Q17. [3 marks]
Working: Total boxes = 3 600 ÷ 24 = 150. Good = 150 – 15 = 135.
Answer: 150 boxes used, 135 good boxes.
Marking: 1 mark division, 1 mark subtract, 1 mark both answers.

Q18. [3 marks]
Working: Total pens = 2 345 + 3 678 = 6 023. Money = 6 023 × $2 =$ 12 046.
Answer: $12 046.
Marking: 1 mark add, 1 mark multiply, 1 mark answer.

Q19. [3 marks]
Working: Numbers with remainder 3 ÷5: 3,8,13,18,23,28,33,38,43,48. Check ÷6 rem 4: 28 (28÷6=4 r4). Smallest = 28.
Answer: 28.
Marking: 1 mark list, 1 mark check, 1 mark answer.

Q20. [3 marks]
Working: A = 4 800 ÷ 4 = 1 200. B = 4 800 ÷ 3 = 1 600. C = 4 800 – 1 200 – 1 600 = 2 000.
Answer: 2 000 workers.
Marking: 1 mark A, 1 mark B, 1 mark C.

Total Marks: 40 — Section subtotals: 8 + 12 + 18 = 40 ✓