Estimation & Rounding (Grade 4) - Set A
Round numbers to estimate sums, differences, and products.
✓ Answer key checked by math, never wrong
Name: ______________________Date: ____________
Math · Grade 4
Estimation & Rounding
Round each number first, then estimate the sum, difference, or product.
- 1.Estimate 36 + 73 by rounding each to the nearest 10.
- 2.Estimate 93 + 89 by rounding each to the nearest 10.
- 3.Estimate 66 + 49 by rounding each to the nearest 10.
- 4.Estimate 94 + 77 by rounding each to the nearest 10.
- 5.Estimate 21 + 69 by rounding each to the nearest 10.
- 6.Estimate 53 + 46 by rounding each to the nearest 10.
- 7.Estimate 440 - 439 by rounding each to the nearest 100.
- 8.Estimate 640 - 308 by rounding each to the nearest 100.
- 9.Estimate 551 - 221 by rounding each to the nearest 100.
- 10.Estimate 252 - 162 by rounding each to the nearest 100.
- 11.Estimate 544 - 518 by rounding each to the nearest 100.
- 12.Estimate 83 x 36 by rounding each to the nearest 10.
- 13.Estimate 84 x 43 by rounding each to the nearest 10.
- 14.Estimate 63 x 39 by rounding each to the nearest 10.
- 15.Estimate 44 x 42 by rounding each to the nearest 10.
- 16.Estimate 12 x 79 by rounding each to the nearest 10.
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