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Primary 6 PSLE Mathematics Practice Paper 4

Free P6 PSLE Maths Practice Paper 4, Ox AI version, with questions, answers, and PSLE-focused practice for Singapore students.

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Primary 6 PSLE Mathematics AI Generated Generated by Ox Alpha Updated 2026-08-27

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TuitionGoWhere Practice Paper - Mathematics Primary 6 PSLE

Primary 6 PSLE Mathematics Quiz - Whole Numbers

TuitionGoWhere Practice Paper (AI)

Subject: Mathematics Level: Primary 6 (PSLE) Paper: Whole Numbers - Topic Practice Paper, Version 4 of 5 Duration: 1 hour 15 minutes Total Marks: 60

Name: ______________________ Class: ______________________ Date: ______________________ Score: ________ / 60

Note: This is an AI-generated practice paper written to the 2021 MOE Primary Mathematics (P6) syllabus using inferred question patterns. It is not taken from any past-year examination paper.

Instructions

Answer all 20 questions. Show all working clearly in the spaces provided.
Marks are shown in brackets [ ]. Method marks are awarded for correct working.
Give all answers in the units stated. Do not use a calculator unless your teacher allows it.

Section A: Short Answer (Questions 1–5) — 10 marks

1. In the number 7,053,428, what is the value of the digit 5? [2]

Answer: ______________________

2. Arrange these numbers in order, beginning with the smallest. [2]

8,240,616 8,204,166 8,241,066 8,204,616

Answer: ____________, ____________, ____________, ____________

3. Round 5,946,317 to the nearest: [2]

(a) ten thousand: ______________________

(b) hundred thousand: ______________________

4. Work out: 90 − 6 × 7 + 42 ÷ 7 [2]

Answer: ______________________

5. Find the greatest whole number that divides both 36 and 54 exactly. [2]

Answer: ______________________

Section B: Short Structured Questions (Questions 6–10) — 15 marks

6. A bakery packs 4,275 mooncakes equally into boxes of 25 mooncakes each. How many boxes are used? [3]

Working space:

Answer: ______________________

7. 750 pupils are going on an excursion. Each bus can seat only 45 pupils. What is the least number of buses needed so that every pupil has a seat? [3]

Working space:

Answer: ______________________

8. A seating pattern in a hall starts with 5 chairs in Row 1. Each new row has 4 more chairs than the row before it. [3]

(a) How many chairs are in Row 20? [2]

(b) Which row number has exactly 61 chairs? [1]

Answer (a): ______________________

Answer (b): ______________________

9. Kai Ming thinks of a number. He multiplies it by 6 and then subtracts 15. His answer is 129. What was his number? [3]

Working space:

Answer: ______________________

10. A wallet contains 25 coins. All the coins are 50-cent coins or 20-cent coins. The total value of the coins is $8.60. How many 50-cent coins are there? [3]

Working space:

Answer: ______________________

Section C: Multi-Step Word Problems (Questions 11–15) — 15 marks

11. Aini has 3 times as many marbles as Ben. After Aini gives 24 marbles to Ben, both of them have the same number of marbles. How many marbles does Ben have at first? [3]

Working space:

Answer: ______________________

12. A father is 3 times as old as his son now. In 14 years' time, he will be twice as old as his son. How old is the son now? [3]

Working space:

Answer: ______________________

13. Two lamps flash together at exactly 8 a.m. One lamp flashes every 6 seconds and the other flashes every 8 seconds. How many times do they flash together again during the next 3 minutes? (Do not count the 8 a.m. flash.) [3]

Working space:

Answer: ______________________

14. A stadium has 48 rows of seats with 112 seats in each row. [3]

(a) Estimate the total number of seats by rounding each number to the nearest ten. [1]

(b) Calculate the exact total number of seats. [2]

Answer (a): ______________________

Answer (b): ______________________

15. At a book fair, every customer who pays for 3 books gets 1 additional book free. Each book costs $12. Mrs Tan wants to get exactly 32 books for her class. What is the least amount of money she must pay? [3]

Working space:

Answer: ______________________

Section D: Challenging Problem Solving (Questions 16–20) — 20 marks

16. A farm has some chickens and

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TuitionGoWhere Practice Paper - Mathematics Primary 6 PSLE

Primary 6 PSLE Mathematics Quiz - Whole Numbers

TuitionGoWhere Practice Paper (AI)

Subject: Mathematics Level: Primary 6 (PSLE) Paper: Whole Numbers - Topic Practice Paper, Version 4 of 5 Duration: 1 hour 15 minutes Total Marks: 60

Name: ______________________ Class: ______________________ Date: ______________________ Score: ________ / 60

Note: This is an AI-generated practice paper written to the 2021 MOE Primary Mathematics (P6) syllabus using inferred question patterns. It is not taken from any past-year examination paper.

Instructions

Answer all 20 questions. Show all working clearly in the spaces provided.
Marks are shown in brackets [ ]. Method marks are awarded for correct working.
Give all answers in the units stated. Do not use a calculator unless your teacher allows it.

Section A: Short Answer (Questions 1–5) — 10 marks

1. In the number 7,053,428, what is the value of the digit 5? [2]

Answer: ______________________

2. Arrange these numbers in order, beginning with the smallest. [2]

8,240,616 8,204,166 8,241,066 8,204,616

Answer: ____________, ____________, ____________, ____________

3. Round 5,946,317 to the nearest: [2]

(a) ten thousand: ______________________

(b) hundred thousand: ______________________

4. Work out: 90 − 6 × 7 + 42 ÷ 7 [2]

Answer: ______________________

5. Find the greatest whole number that divides both 36 and 54 exactly. [2]

Answer: ______________________

Section B: Short Structured Questions (Questions 6–10) — 15 marks

6. A bakery packs 4,275 mooncakes equally into boxes of 25 mooncakes each. How many boxes are used? [3]

Working space:

Answer: ______________________

7. 750 pupils are going on an excursion. Each bus can seat only 45 pupils. What is the least number of buses needed so that every pupil has a seat? [3]

Working space:

Answer: ______________________

8. A seating pattern in a hall starts with 5 chairs in Row 1. Each new row has 4 more chairs than the row before it. [3]

(a) How many chairs are in Row 20? [2]

(b) Which row number has exactly 61 chairs? [1]

Answer (a): ______________________

Answer (b): ______________________

9. Kai Ming thinks of a number. He multiplies it by 6 and then subtracts 15. His answer is 129. What was his number? [3]

Working space:

Answer: ______________________

10. A wallet contains 25 coins. All the coins are 50-cent coins or 20-cent coins. The total value of the coins is $8.60. How many 50-cent coins are there? [3]

Working space:

Answer: ______________________

Section C: Multi-Step Word Problems (Questions 11–15) — 15 marks

11. Aini has 3 times as many marbles as Ben. After Aini gives 24 marbles to Ben, both of them have the same number of marbles. How many marbles does Ben have at first? [3]

Working space:

Answer: ______________________

12. A father is 3 times as old as his son now. In 14 years' time, he will be twice as old as his son. How old is the son now? [3]

Working space:

Answer: ______________________

Working space:

Answer: ______________________

14. A stadium has 48 rows of seats with 112 seats in each row. [3]

(a) Estimate the total number of seats by rounding each number to the nearest ten. [1]

(b) Calculate the exact total number of seats. [2]

Answer (a): ______________________

Answer (b): ______________________

Working space:

Answer: ______________________

Section D: Challenging Problem Solving (Questions 16–20) — 20 marks

16. A farm has some chickens and goats. There are 36 heads and 100 legs altogether. How many chickens are there? [4]

Working space:

Answer: ______________________

17. The sum of two whole numbers is 150. When the larger number is divided by the smaller number, the quotient is 5 and the remainder is 6. Find the smaller number. [4]

Working space:

Answer: ______________________

18. A shop sells pens in packs of 8 and notebooks in packs of 5. Ravi bought some packs of each so that he had exactly the same number of pens and notebooks. What is the least number of pens he could have bought? [4]

Working space:

Answer: ______________________

19. Mrs Lim had $500. She bought as many identical chairs as possible costing$ 68 each. What is the greatest number of chairs she could buy, and how much money did she have left? [4]

Working space:

Answer: ______________________

20. Ali and Bala have 480 stamps altogether. Ali gives Bala 45 of his stamps. In the end, Bala has 3 times as many stamps as Ali. How many stamps did Ali have at first? [4]

Working space:

Answer: ______________________

--- END OF PAPER ---

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Answers

TuitionGoWhere Practice Paper - Mathematics Primary 6 PSLE

Whole Numbers - Answer Key (Version 4 of 5)

Section A (2 marks each)

1. The digit 5 is in the ten thousands place. Answer: 50,000

2. Smallest first: 8,204,166; 8,204,616; 8,240,616; 8,241,066

3. (a) Nearest ten thousand: 5,950,000 (thousands digit 6 → round up) (b) Nearest hundred thousand: 5,900,000 (ten thousands digit 4 → round down)

4. 90 − 6 × 7 + 42 ÷ 7 = 90 − 42 + 6 = 54

5. Factors common to 36 and 54: greatest is 18

Section B (3 marks each)

6. 4,275 ÷ 25 = 171 boxes

7. 750 ÷ 45 = 16 remainder 30 → 16 buses not enough. Answer: 17 buses

8. (a) Row 20 = 5 + 19 × 4 = 81 chairs [2] (b) 5 + 4 × (n − 1) = 61 → 4 × (n − 1) = 56 → n − 1 = 14 → Row 15 [1]

9. (129 + 15) ÷ 6 = 144 ÷ 6 = 24

10. Let f = 50-cent coins. 50f + 20(25 − f) = 860 → 30f + 500 = 860 → 30f = 360 → f = 12 fifty-cent coins (check: 600 + 260 = 860¢ = $8.60 ✓)

Section C (3 marks each)

11. Difference at first = 2 units; difference after = 24 + 24 = 48. 2 units = 48 → 1 unit = 24. Ben had 24 marbles at first. (Check: Aini 72 − 24 = 48 = 24 + 24 ✓)

12. Father = 3u, son = u. 3u + 14 = 2(u + 14) → 3u + 14 = 2u + 28 → u = 14 years old

13. LCM of 6 and 8 = 24 seconds. 3 minutes = 180 s. 180 ÷ 24 = 7 (remainder 12). They flash together 7 times again.

14. (a) 48 ≈ 50, 112 ≈ 110 → estimate = 5,500 seats [1] (b) 48 × 112 = 5,376 seats [2]

15. Every 4 books cost 3 × $12 =$ 36. 32 ÷ 4 = 8 groups. 8 × $36 = **$ 288**

Section D (4 marks each)

16. Let all be chickens: 36 × 2 = 72 legs. Extra legs = 100 − 72 = 28. Each goat adds 2 legs → goats = 28 ÷ 2 = 14. Chickens = 36 − 14 = 22 chickens (check: 44 + 56 = 100 ✓)

17. Larger = 5 × smaller + 6. Sum: 6 × smaller + 6 = 150 → 6 × smaller = 144 → smaller = 24 (larger = 126; 126 ÷ 24 = 5 R 6 ✓)

18. Same number of pens and notebooks → multiple of both 8 and 5. LCM(8, 5) = 40 pens

19. 500 ÷ 68 = 7 remainder 24. Greatest number of chairs: 7; money left: $24 (check: 7 × 68 = 476; 500 − 476 = 24 ✓)

20. In the end: total stays 480; Bala : Ali = 3 : 1 → 4 units = 480 → Ali at end = 120. Ali at first = 120 + 45 = 165 stamps (check: Bala end = 360 = 3 × 120 ✓)

Marking notes: Award method marks for correct strategy even if a final arithmetic slip occurs. For Questions 7, 13 and 19, deduct 1 mark if the remainder/context is ignored (e.g., answering 16 buses or 6 chairs).