Addition & Subtraction

17 Grade 5 Mathematics questions on Addition & Subtraction, with worked marking schemes. 17 questions are available on this topic in full.

1. Question 1

   1 mark

   234,500 + 134,500 = ___

   A. 369,000

   B. 369,500

   C. 370,000

   D. 368,000

   (1 mark)

   Marking scheme

   A. $369,000$ — the hundreds make $500+500=1,000$, which carries into the thousands. D is what you get if that carry is lost.

2. Question 2

   1 mark

   What is the difference between 700,000 and 387,546?

   A. 312,544

   B. 312,454

   C. 322,454

   D. 313,454

   (1 mark)

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3. Question 3

   1 mark

   What number must be added to 345,678 to get 600,000?

   A. 255,322

   B. 253,322

   C. 254,222

   D. 254,322

   (1 mark)

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4. Question 4

   3 marks

   A farmer harvested $3450$ kg of maize in the first season and $2875$ kg in the second season. He sold $4900$ kg at the market. How many kilograms of maize remained?

   (3 marks)

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5. Question 5

   1 mark

   From 500,000 take away 123,456.

   A. 377,544

   B. 376,544

   C. 376,454

   D. 366,544

   (1 mark)

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6. Question 6

   1 mark

   Find: 246,315 + 135,684 + 118,001 = ___

   A. 499,000

   B. 500,000

   C. 501,000

   D. 500,010

   (1 mark)

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7. Question 7

   1 mark

   999,999 + 1 = ___

   A. 999,000

   B. 1,000,001

   C. 999,001

   D. 1,000,000

   (1 mark)

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8. Question 8

   1 mark

   450,000 − 99,999 = ___

   A. 351,001

   B. 350,011

   C. 350,001

   D. 350,000

   (1 mark)

   Marking scheme

   C. $350,001$ — a shortcut avoids the borrowing: take away $100,000$ and give one back, $350,000+1$. D is the answer without giving that $1$ back.

9. Question 9

   1 mark

   What is $4567+2389$?

   A. $6946$

   B. $6856$

   C. $7046$

   D. $6956$

   (1 mark)

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10. Question 10

    1 mark

    Find the sum of 468,905 and 274,308.

    A. 744,213

    B. 742,213

    C. 743,203

    D. 743,213

    (1 mark)

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11. Question 11

    1 mark

    874,321 − 345,678 = ___

    A. 529,643

    B. 528,643

    C. 528,553

    D. 538,643

    (1 mark)

    Marking scheme

    B. $528,643$ — subtract column by column from the ones, regrouping as needed. A is $1,000$ too large, which a missed borrow produces.

12. Question 12

    1 mark

    Subtract: 800,000 − 546,789 = ___

    A. 253,221

    B. 254,211

    C. 252,211

    D. 253,211

    (1 mark)

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13. Question 13

    1 mark

    A company produced 456,320 items in January and 287,615 in February. How many items in total?

    A. 743,935

    B. 744,035

    C. 743,835

    D. 744,935

    (1 mark)

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14. Question 14

    1 mark

    A factory has 985,200 units. It uses 378,650 units. How many are left?

    A. 606,550

    B. 606,450

    C. 607,550

    D. 616,550

    (1 mark)

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15. Question 15

    1 mark

    A town had a population of 384,600. It grew by 95,400. What is the new population?

    A. 481,000

    B. 480,000

    C. 480,100

    D. 479,000

    (1 mark)

    Marking scheme

    B. $480,000$ — 'grew by' means add: $384,600+95,400$. The hundreds make a full thousand, so carries run up through several columns at once.

16. Question 16

    1 mark

    What is the sum of 100,000 + 200,000 + 300,000?

    A. 700,000

    B. 600,000

    C. 600,001

    D. 500,000

    (1 mark)

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17. Question 17

    1 mark

    345,678 + 213,456 = ___

    A. 559,134

    B. 569,134

    C. 558,134

    D. 558,034

    (1 mark)

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