Whole Numbers

17 Grade 4 Mathematics questions on Whole Numbers, with worked marking schemes. 17 questions are available on this topic in full.

1. Question 1

   1 mark

   What is the total value of 9 in 39,724?

   A. 900

   B. 90

   C. 90,000

   D. 9,000

   (1 mark)

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2. Question 2

   1 mark

   Which number comes just before 50,000?

   A. 50,001

   B. 50,100

   C. 49,999

   D. 49,990

   (1 mark)

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3. Question 3

   1 mark

   Write 63,408 in words.

   A. Sixty-three thousand and forty-eight

   B. Sixty-three thousand, four hundred and eight

   C. Sixty thousand, three hundred and forty-eight

   D. Six hundred and thirty-four thousand and eight

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4. Question 4

   1 mark

   Round 73,546 to the nearest thousand.

   A. 73,000

   B. 70,000

   C. 73,500

   D. 74,000

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5. Question 5

   1 mark

   How many thousands are in 95,000?

   A. 950

   B. 9

   C. 9,500

   D. 95

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6. Question 6

   1 mark

   What is the value of the digit $7$ in the number $4732$?

   A. $70$

   B. $700$

   C. $7000$

   D. $7$

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7. Question 7

   1 mark

   Which is the largest number: 52,890; 52,098; 52,908; 52,809?

   A. 52,809

   B. 52,908

   C. 52,098

   D. 52,890

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8. Question 8

   1 mark

   Write 40,000 + 6,000 + 300 + 50 + 2 in figures.

   A. 40,652

   B. 46,532

   C. 46,352

   D. 46,325

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9. Question 9

   1 mark

   Round 48,750 to the nearest ten thousand.

   A. 49,000

   B. 40,000

   C. 48,000

   D. 50,000

   (1 mark)

   Marking scheme

   D. $50,000$ — 'nearest ten thousand' keeps the ten-thousands digit. The thousands digit is $8$, so $4$ ten thousands rounds up to $5$. B rounds down and C rounds to the nearest thousand.

10. Question 10

    1 mark

    What is the largest 5-digit number?

    A. 100,000

    B. 99,000

    C. 99,999

    D. 90,000

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11. Question 11

    1 mark

    Arrange in ascending order: 34,210; 34,021; 34,201; 34,120.

    A. 34,120; 34,021; 34,210; 34,201

    B. 34,210; 34,201; 34,120; 34,021

    C. 34,021; 34,201; 34,120; 34,210

    D. 34,021; 34,120; 34,201; 34,210

    (1 mark)

    Marking scheme

    D. $34,021$; $34,120$; $34,201$; $34,210$ — all start $34$, so compare the next digit: $0,1,2,2$. The two starting $34,2$ are then split by the digit after. 'Ascending' means smallest first.

12. Question 12

    1 mark

    Which digit is in the hundreds place in 84,563?

    A. 5

    B. 8

    C. 6

    D. 4

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13. Question 13

    1 mark

    What is the smallest 5-digit number?

    A. 10,000

    B. 11,000

    C. 10,001

    D. 9,999

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14. Question 14

    1 mark

    What is the place value of 8 in 85,436?

    A. Hundreds

    B. Ten thousands

    C. Thousands

    D. Hundred thousands

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15. Question 15

    1 mark

    Count on in ten thousands from 20,000. What is the 3rd number?

    A. 40,000

    B. 30,000

    C. 60,000

    D. 50,000

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16. Question 16

    2 marks

    A farmer in Nyeri harvested $3456$ kg of potatoes in the first season and $2875$ kg in the second season. How many kilograms did she harvest altogether?

    (2 marks)

    Marking scheme

    Add the two harvests: $3456+2875$. Ones: $6+5=11$ (write $1$, carry $1$). Tens: $5+7+1=13$ (write $3$, carry $1$). Hundreds: $4+8+1=13$ (write $3$, carry $1$). Thousands: $3+2+1=6$. This gives $3456+2875=6331$. She harvested $6331$ kg altogether.

17. Question 17

    1 mark

    Write the expanded form of 72,509.

    A. 72,000 + 500 + 9

    B. 7,000 + 2,000 + 500 + 9

    C. 70,000 + 2,000 + 500 + 0 + 9

    D. 70,000 + 200 + 50 + 9

    (1 mark)

    Marking scheme

    C. $70,000+2,000+500+0+9$ — expanded form gives each digit its place value, and the zero in the tens column is held rather than dropped. D and B give some digits the wrong place.

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