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Use rounding to check if an answer is reasonable

4th grade (Year 5 in England) · 16 questions · Common Core: 4.OA.A.3, 4.NBT.A.3 · England: Y5 Addition and subtraction

Name

Date

Score/ 16

  1. Question 1

    Felix added 24 698 + 11 725 and got 26 423. Round to the nearest ten thousand to estimate. Is Felix's answer reasonable?

    • A. yes
    • B. no
  2. Question 2

    Estimate 7509 − 6280 by rounding each number to the nearest thousand.

    Answer

  3. Question 3

    Chloe added 54 888 + 19 370 and got 74 258. Round to the nearest ten thousand to estimate. Is Chloe's answer reasonable?

    • A. yes
    • B. no
  4. Question 4

    Estimate 5757 − 2684 by rounding each number to the nearest thousand.

    Answer

  5. Question 5

    Chloe added 22 798 + 27 786 and got 50 584. Round to the nearest ten thousand to estimate. Is Chloe's answer reasonable?

    • A. yes
    • B. no
  6. Question 6

    Estimate 7705 − 1390 by rounding each number to the nearest thousand.

    Answer

  7. Question 7

    Nia added 54 339 + 23 783 and got 78 122. Round to the nearest ten thousand to estimate. Is Nia's answer reasonable?

    • A. yes
    • B. no
  8. Question 8

    Estimate 8771 − 2262 by rounding each number to the nearest thousand.

    Answer

  9. Question 9

    Mateo added 33 929 + 21 028 and got 44 957. Round to the nearest ten thousand to estimate. Is Mateo's answer reasonable?

    • A. yes
    • B. no
  10. Question 10

    Estimate 3831 + 7258 by rounding each number to the nearest thousand.

    Answer

  11. Question 11

    Ines added 62 237 + 21 117 and got 73 354. Round to the nearest ten thousand to estimate. Is Ines's answer reasonable?

    • A. yes
    • B. no
  12. Question 12

    Estimate 6102 + 3541 by rounding each number to the nearest thousand.

    Answer

  13. Question 13

    Hiro added 28 929 + 25 467 and got 54 396. Round to the nearest ten thousand to estimate. Is Hiro's answer reasonable?

    • A. yes
    • B. no
  14. Question 14

    Estimate 3741 − 2535 by rounding each number to the nearest thousand.

    Answer

  15. Question 15

    Leo added 65 862 + 16 348 and got 82 210. Round to the nearest ten thousand to estimate. Is Leo's answer reasonable?

    • A. yes
    • B. no
  16. Question 16

    Estimate 6367 + 7480 by rounding each number to the nearest thousand.

    Answer

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  1. no
  2. 2000
  3. yes
  4. 3000
  5. yes
  6. 7000
  7. yes
  8. 7000
  9. no
  10. 11000
  11. no
  12. 10000
  13. yes
  14. 1000
  15. yes
  16. 13000