Estimation & Rounding (Grade 3) - Set B
Round numbers to estimate sums, differences, and products.
✓ Answer key checked by math, never wrong
Name
Date
Math · Grade 3
Estimation & Rounding
Round each number first, then estimate the sum, difference, or product.
- 1.Estimate 58 + 43 by rounding each to the nearest 10.
- 2.Estimate 72 + 37 by rounding each to the nearest 10.
- 3.Estimate 85 + 66 by rounding each to the nearest 10.
- 4.Estimate 79 + 50 by rounding each to the nearest 10.
- 5.Estimate 82 + 70 by rounding each to the nearest 10.
- 6.Estimate 59 + 95 by rounding each to the nearest 10.
- 7.Estimate 799 - 328 by rounding each to the nearest 100.
- 8.Estimate 670 - 118 by rounding each to the nearest 100.
- 9.Estimate 624 - 241 by rounding each to the nearest 100.
- 10.Estimate 636 - 162 by rounding each to the nearest 100.
- 11.Estimate 629 - 585 by rounding each to the nearest 100.
- 12.Estimate 87 x 27 by rounding each to the nearest 10.
- 13.Estimate 53 x 25 by rounding each to the nearest 10.
- 14.Estimate 62 x 55 by rounding each to the nearest 10.
- 15.Estimate 83 x 52 by rounding each to the nearest 10.
- 16.Estimate 87 x 81 by rounding each to the nearest 10.
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