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Estimation & Rounding (Grade 5) - Set A

Round numbers to estimate sums, differences, and products.

✓ Answer key checked by math, never wrong
Name: ______________________Date: ____________
Math · Grade 5

Estimation & Rounding

Round each number first, then estimate the sum, difference, or product.

  1. 1.
    Estimate 32 + 61 by rounding each to the nearest 10.
  2. 2.
    Estimate 17 + 76 by rounding each to the nearest 10.
  3. 3.
    Estimate 55 + 32 by rounding each to the nearest 10.
  4. 4.
    Estimate 43 + 73 by rounding each to the nearest 10.
  5. 5.
    Estimate 17 + 74 by rounding each to the nearest 10.
  6. 6.
    Estimate 56 + 65 by rounding each to the nearest 10.
  7. 7.
    Estimate 803 - 185 by rounding each to the nearest 100.
  8. 8.
    Estimate 612 - 221 by rounding each to the nearest 100.
  9. 9.
    Estimate 500 - 167 by rounding each to the nearest 100.
  10. 10.
    Estimate 920 - 474 by rounding each to the nearest 100.
  11. 11.
    Estimate 722 - 225 by rounding each to the nearest 100.
  12. 12.
    Estimate 35 x 29 by rounding each to the nearest 10.
  13. 13.
    Estimate 47 x 46 by rounding each to the nearest 10.
  14. 14.
    Estimate 62 x 60 by rounding each to the nearest 10.
  15. 15.
    Estimate 66 x 18 by rounding each to the nearest 10.
  16. 16.
    Estimate 59 x 46 by rounding each to the nearest 10.
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