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Primary 6 PSLE Mathematics Whole Numbers Quiz

Free P6 PSLE Maths Whole Numbers quiz, HY3 Exam version, with questions, answers, and PSLE-focused practice for Singapore students.

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Questions

Primary 6 PSLE Mathematics Quiz - Whole Numbers

Name: ___________________________
Class: ___________________________
Date: ___________________________
Score: ___________ / 40

Duration: 50 minutes
Total Marks: 40

Instructions:

This quiz has 20 questions on Whole Numbers.
Write your answers in the spaces provided.
Show your working clearly where required.
Calculators are not allowed.

Section A (Questions 1–5) — Short Answer (2 marks each)

1. Write the number 7 048 215 in words.

2. What is the place value of the digit 6 in the number 9 634 200?

3. Round 4 859 372 to the nearest hundred thousand.

4. Find the value of 3 450 + 2 890 − 1 275.

5. What is the product of 1 250 and 8?

Section B (Questions 6–13) — Word Problems (2 marks each)

6. A factory produced 128 400 toy cars in January and 96 750 toy cars in February. How many toy cars were produced in the two months altogether?

7. Mr Tan had $845 000. He bought a car for$ 237 900. How much money did he have left?

8. A warehouse has 562 500 apples. They are packed equally into 250 boxes. How many apples are in each box?

9. A school collected 48 600 cans for recycling. If 12 classes collected the same number of cans, how many cans did each class collect?

10. Town A has a population of 1 284 500 and Town B has a population of 973 800. How much larger is the population of Town A than Town B?

11. A bookshop sold 3 450 books on Monday and 4 280 books on Tuesday. It sold 1 970 fewer books on Wednesday than on Tuesday. How many books were sold on Wednesday?

12. A bus company has 1 200 buses. Each bus can carry 58 passengers. What is the total number of passengers that can be carried if all buses are used?

13. A farmer harvested 84 600 kg of rice. He sold 36 250 kg and gave away 12 400 kg to neighbours. How many kg of rice did he have left?

Section C (Questions 14–20) — Extended Word Problems (2 to 4 marks)

14. (3 marks) A charity raised $235 000 in Term 1 and$ 318 500 in Term 2. They spent $146 200 on supplies. How much money did they have remaining?

15. (3 marks) A library has 1 245 000 books. 378 400 are fiction and 421 600 are non-fiction. The rest are reference books. How many reference books are there?

16. (3 marks) A company delivered 8 400 packets of biscuits to each of 125 shops. How many packets were delivered in total?

17. (3 marks) Mr Lim had 2 400 000 marbles. He shared them equally among 15 schools. Each school then gave 12 000 marbles to a community centre. How many marbles did each school have left?

18. (4 marks) A stadium has 4 stands. Stand A seats 23 450, Stand B seats 19 800, Stand C seats 27 650, and Stand D seats 21 100. On a match day, 3 875 seats were empty. How many spectators were present?

19. (4 marks) A supermarket ordered 6 250 boxes of oranges. Each box contains 24 oranges. They sold 112 400 oranges. How many oranges were not sold?

20. (4 marks) Town X had 1 850 000 residents. In one year, 124 500 people moved away and 98 750 people moved in. The next year, 56 200 babies were born and 41 300 people passed away. What was the final population?

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Answers

Primary 6 PSLE Mathematics Quiz - Whole Numbers (Answer Key)

Total Marks: 40
Topic: Whole Numbers

Section A Answers (Q1–5, 2 marks each)

Q1. (2 marks)
Answer: Seven million forty-eight thousand two hundred and fifteen.
Teaching note: Read the number in groups of three digits from the right: 7 | 048 | 215 → 7 million, 048 thousand, 215. Write "and" only before the last group in Singapore convention.
Marking: 1 mark for correct millions/thousands grouping, 1 mark for correct words.

Q2. (2 marks)
Answer: Hundred thousands.
Teaching note: 9 634 200 → digits from right: ones, tens, hundreds, thousands, ten thousands, hundred thousands (digit 6). Place value names the position.
Marking: 1 mark for identifying position, 1 mark for correct term.

Q3. (2 marks)
Answer: 4 900 000.
Teaching note: Look at hundred thousands digit = 8 (4 8 59 372). Since 8 ≥ 5, round up the millions: 4 → 5? Wait: nearest hundred thousand means we keep digits up to hundred thousands: 4 8__ ___ → 8 is in hundred thousands, ten thousands digit is 5, so round up 8 to 9 → 4 900 000.
Marking: 1 mark for correct rounding rule, 1 mark for final value.

Q4. (2 marks)
Answer: 5 065.
Working: 3 450 + 2 890 = 6 340; 6 340 − 1 275 = 5 065.
Teaching note: Add first then subtract; align columns.
Marking: 1 mark for sum, 1 mark for final difference.

Q5. (2 marks)
Answer: 10 000.
Working: 1 250 × 8 = (1 000 × 8) + (250 × 8) = 8 000 + 2 000 = 10 000.
Marking: 1 mark for method, 1 mark for answer.

Section B Answers (Q6–13, 2 marks each)

Q6. (2 marks)
Answer: 225 150 toy cars.
Working: 128 400 + 96 750 = 225 150.
Marking: 2 marks for correct total.

Q7. (2 marks)
Answer: $607 100.
Working: 845 000 − 237 900 = 607 100.
Marking: 2 marks for correct subtraction.

Q8. (2 marks)
Answer: 2 250 apples.
Working: 562 500 ÷ 250 = 2 250.
Marking: 2 marks for correct quotient.

Q9. (2 marks)
Answer: 4 050 cans.
Working: 48 600 ÷ 12 = 4 050.
Marking: 2 marks for correct quotient.

Q10. (2 marks)
Answer: 310 700.
Working: 1 284 500 − 973 800 = 310 700.
Marking: 2 marks for correct difference.

Q11. (2 marks)
Answer: 2 310 books.
Working: Tuesday = 4 280; Wednesday = 4 280 − 1 970 = 2 310.
Marking: 2 marks for correct value.

Q12. (2 marks)
Answer: 69 600 passengers.
Working: 1 200 × 58 = 69 600.
Marking: 2 marks for correct product.

Q13. (2 marks)
Answer: 35 950 kg.
Working: 84 600 − 36 250 = 48 350; 48 350 − 12 400 = 35 950.
Marking: 2 marks for correct remainder.

Section C Answers (Q14–20)

Q14. (3 marks)
Answer: $407 300.
Working:
Term 1 + Term 2 = 235 000 + 318 500 = 553 500.
Remaining = 553 500 − 146 200 = 407 300.
Teaching note: Combine income first, then subtract spending.
Marking: 1 mark addition, 1 mark subtraction, 1 mark final answer.

Q15. (3 marks)
Answer: 445 000 books.
Working:
Fiction + Non-fiction = 378 400 + 421 600 = 800 000.
Reference = 1 245 000 − 800 000 = 445 000.
Marking: 1 mark sum, 1 mark subtraction, 1 mark answer.

Q16. (3 marks)
Answer: 1 050 000 packets.
Working: 8 400 × 125 = 8 400 × 100 + 8 400 × 25 = 840 000 + 210 000 = 1 050 000.
Marking: 1 mark method, 2 marks correct product.

Q17. (3 marks)
Answer: 148 000 marbles.
Working:
Per school = 2 400 000 ÷ 15 = 160 000.
Left = 160 000 − 12 000 = 148 000.
Marking: 1 mark division, 1 mark subtraction, 1 mark answer.

Q18. (4 marks)
Answer: 88 125 spectators.
Working:
Total seats = 23 450 + 19 800 + 27 650 + 21 100 = 92 000.
Present = 92 000 − 3 875 = 88 125.
Marking: 2 marks for total capacity, 1 mark subtraction, 1 mark final.

Q19. (4 marks)
Answer: 37 600 oranges.
Working:
Total oranges = 6 250 × 24 = 150 000.
Not sold = 150 000 − 112 400 = 37 600.
Marking: 2 marks total, 1 mark subtraction, 1 mark answer.

Q20. (4 marks)
Answer: 1 827 750 residents.
Working:
After year 1: 1 850 000 − 124 500 + 98 750 = 1 824 250.
After year 2: 1 824 250 + 56 200 − 41 300 = 1 839 150? Wait recalc:
1 850 000 − 124 500 = 1 725 500; +98 750 = 1 824 250.
+56 200 = 1 880 450; −41 300 = 1 839 150.
Correction: final = 1 839 150.
Teaching note: Apply changes stepwise.
Marking: 2 marks year 1, 1 mark year 2, 1 mark final (1 839 150).