Primary 4 Mathematics Whole Numbers Quiz

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Primary 4 Mathematics Quiz - Whole Numbers

Name: ___________________________
Class: Primary 4 _______
Date: _______________
Score: _______ / 40

Duration: 45 minutes
Total Marks: 40

Instructions:

1. Answer all questions.
2. Show your working clearly in the space provided.
3. Write your answers in the spaces provided.
4. For Section A, choose the correct answer and write its number (1, 2, 3, or 4) in the brackets provided.
5. For Section B and C, write your answers in the blanks or spaces provided.

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Section A: Multiple Choice Questions (10 × 1 mark = 10 marks)

1. In the number 68,429, which digit is in the thousands place?
(1) 6
(2) 8
(3) 4
(4) 2
[_____]

2. What does the digit 7 stand for in 57,381?
(1) 7
(2) 70
(3) 700
(4) 7000
[_____]

3. Write 84,006 in words.
(1) Eighty-four thousand and six
(2) Eighty-four thousand and sixty
(3) Eight thousand four hundred and six
(4) Eighty-four thousand six hundred
[_____]

4. Round 37,642 to the nearest hundred.
(1) 37,600
(2) 37,700
(3) 38,000
(4) 37,640
[_____]

5. A number rounded to the nearest thousand is 45,000. Which of the following could be the original number?
(1) 44,399
(2) 44,501
(3) 45,499
(4) 45,501
[_____]

6. Which of the following number patterns follows the rule "subtract 300"?
(1) 52,800, 52,500, 52,200, 51,900
(2) 52,800, 53,100, 53,400, 53,700
(3) 52,800, 52,700, 52,600, 52,500
(4) 52,800, 52,400, 52,000, 51,600
[_____]

7. Find the value of 62,000 + 18,450 − 25,300.
(1) 55,150
(2) 55,250
(3) 55,350
(4) 55,450
[_____]

8. The product of 248 and 35 is __.
(1) 8,680
(2) 8,780
(3) 8,880
(4) 8,980
[_]

9. When a number is divided by 8, the quotient is 1,245 and the remainder is 3. What is the number?
(1) 9,963
(2) 9,960
(3) 9,957
(4) 9,954
[_____]

10. A factory produced 8,450 toys in January. In February, it produced 1,350 fewer toys than in January. How many toys were produced in both months?
(1) 15,550
(2) 15,650
(3) 16,550
(4) 16,650
[_____]

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Section B: Short Answer Questions (10 × 2 marks = 20 marks)

11. Write ninety-two thousand, four hundred and seven in numerals.
Answer: _______________________

12. In 43,815, the digit 3 is in the ________________ place and its value is ________________.

13. Arrange the following numbers from the smallest to the greatest:
28,450 ; 28,054 ; 28,504 ; 28,405
Answer: ________________ , ________________ , ________________ , ________________

14. Round 59,876 to the nearest ten.
Answer: _______________________

15. A number when rounded to the nearest hundred is 72,300. What is the greatest possible value of this number?
Answer: _______________________

16. Complete the number pattern:
64,200 , 63,700 , 63,200 , __________ , __________
Answer: __________ , __________

17. Find the value of 48,300 + 27,650 − 15,400.
Answer: _______________________

18. Multiply 316 by 42.
Answer: _______________________

19. Divide 8,736 by 6.
Answer: _______________________

20. Mr Tan had 12,500 stickers. He gave 3,800 stickers to his son and packed the remaining stickers equally into 7 packets. How many stickers were there in each packet?
Answer: _______________________

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Primary 4 Mathematics Quiz - Whole Numbers (Answer Key)

Total Marks: 40

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Section A: Multiple Choice Questions (10 × 1 mark = 10 marks)

1. Answer: (2) 8
Explanation: In 68,429, the digits from left to right are: 6 (ten thousands), 8 (thousands), 4 (hundreds), 2 (tens), 9 (ones). The digit in the thousands place is 8.
Mark: 1

2. Answer: (4) 7000
Explanation: In 57,381, the digit 7 is in the thousands place. Its value is 7 × 1,000 = 7,000.
Mark: 1

3. Answer: (1) Eighty-four thousand and six
Explanation: 84,006 = 80,000 + 4,000 + 6. In words: "Eighty-four thousand and six". Note: "and" is used before the last part when there are no hundreds or tens.
Mark: 1

4. Answer: (1) 37,600
Explanation: To round to the nearest hundred, look at the tens digit (4). Since 4 < 5, round down. 37,642 → 37,600.
Mark: 1

5. Answer: (3) 45,499
Explanation: When rounding to the nearest thousand, numbers from 44,500 to 45,499 round to 45,000.

• 44,399 rounds to 44,000 (hundreds digit 3 < 5)
• 44,501 rounds to 45,000 (hundreds digit 5 ≥ 5)
• 45,499 rounds to 45,000 (hundreds digit 4 < 5)
• 45,501 rounds to 46,000 (hundreds digit 5 ≥ 5)
  Mark: 1

6. Answer: (1) 52,800, 52,500, 52,200, 51,900
Explanation: Check each option by subtracting 300 from each term:
(1) 52,800 − 300 = 52,500 ✓, 52,500 − 300 = 52,200 ✓, 52,200 − 300 = 51,900 ✓
(2) Adds 300 each time ✗
(3) Subtracts 100 each time ✗
(4) Subtracts 400 each time ✗
Mark: 1

7. Answer: (1) 55,150
Working:
62,000 + 18,450 = 80,450
80,450 − 25,300 = 55,150
Mark: 1

8. Answer: (1) 8,680
Working:
248 × 35 = 248 × (30 + 5) = 248 × 30 + 248 × 5 = 7,440 + 1,240 = 8,680
Mark: 1

9. Answer: (1) 9,963
Working:
Number = (Divisor × Quotient) + Remainder = (8 × 1,245) + 3 = 9,960 + 3 = 9,963
Mark: 1

10. Answer: (1) 15,550
Working:
February: 8,450 − 1,350 = 7,100
Total: 8,450 + 7,100 = 15,550
Mark: 1

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Section B: Short Answer Questions (10 × 2 marks = 20 marks)

11. Answer: 92,407
Explanation: "Ninety-two thousand" = 92,000; "four hundred" = 400; "seven" = 7. Total = 92,000 + 400 + 7 = 92,407.
Mark: 2 (1 for correct numerals, 1 for correct place value including zero placeholder)

12. Answer: thousands ; 3,000
Explanation: In 43,815: 4 (ten thousands), 3 (thousands), 8 (hundreds), 1 (tens), 5 (ones). The digit 3 is in the thousands place. Its value = 3 × 1,000 = 3,000.
Mark: 2 (1 for correct place, 1 for correct value)

13. Answer: 28,054 ; 28,405 ; 28,450 ; 28,504
Explanation: Compare from the leftmost digit (ten thousands): all are 2. Thousands: all are 8. Hundreds: 0, 4, 4, 5. So 28,054 is smallest. For 28,405 and 28,450, compare tens: 0 < 5, so 28,405 < 28,450. Largest is 28,504.
Mark: 2 (1 for correct order, 1 for all four correct)

14. Answer: 59,880
Explanation: To round to the nearest ten, look at the ones digit (6). Since 6 ≥ 5, round up. 59,876 → 59,880.
Mark: 2 (1 for correct rounding direction, 1 for correct answer)

15. Answer: 72,349
Explanation: When rounding to the nearest hundred gives 72,300, the original number ranges from 72,250 to 72,349. The greatest possible value is 72,349.
Mark: 2 (1 for understanding range, 1 for correct maximum)

16. Answer: 62,700 ; 62,200
Explanation: Pattern decreases by 500 each time:
64,200 − 500 = 63,700
63,700 − 500 = 63,200
63,200 − 500 = 62,700
62,700 − 500 = 62,200
Mark: 2 (1 for each correct term)

17. Answer: 60,550
Working:
48,300 + 27,650 = 75,950
75,950 − 15,400 = 60,550
Mark: 2 (1 for correct addition, 1 for correct subtraction and final answer)

18. Answer: 13,272
Working:
316 × 42 = 316 × (40 + 2) = 316 × 40 + 316 × 2 = 12,640 + 632 = 13,272
Mark: 2 (1 for correct method/partial product, 1 for correct final answer)

19. Answer: 1,456
Working:
8,736 ÷ 6
8 ÷ 6 = 1 remainder 2 → bring down 7 → 27 ÷ 6 = 4 remainder 3 → bring down 3 → 33 ÷ 6 = 5 remainder 3 → bring down 6 → 36 ÷ 6 = 6
Answer: 1,456
Mark: 2 (1 for correct division steps, 1 for correct final answer)

20. Answer: 1,242
Working:
Remaining stickers = 12,500 − 3,800 = 8,700
Stickers per packet = 8,700 ÷ 7 = 1,242 remainder 6
Answer: 1,242 stickers in each packet (6 stickers left over)
Mark: 2 (1 for correct subtraction, 1 for correct division and answer)

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Common Mistakes to Watch For:

1. Place value confusion: "Digit in the thousands place" vs "Value of the digit in the thousands place"
2. Rounding direction: Remember: 0-4 round down, 5-9 round up
3. Number patterns: Always check the difference between consecutive terms
4. Multi-step problems: Show all steps clearly; method marks are awarded for correct working
5. Division with remainder: Remember to state the remainder if asked, or interpret it in context
6. Word problems: Read carefully - "fewer than" means subtraction, "more than" means addition, "twice as many" means ×2

Marking Summary:

• Section A: 10 marks
• Section B: 20 marks
• Total: 30 marks