Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 30 − 33 by rounding each number to the nearest 10: ______
- Estimate 80 − 24 by rounding each number to the nearest 10: ______
- Estimate 33 − 38 by rounding each number to the nearest 10: ______
- Estimate 82 + 45 by rounding each number to the nearest 10: ______
- Estimate 56 + 52 by rounding each number to the nearest 10: ______
- Estimate 88 − 75 by rounding each number to the nearest 10: ______
- Estimate 36 + 89 by rounding each number to the nearest 10: ______
- Estimate 22 − 57 by rounding each number to the nearest 10: ______
- Estimate 68 + 39 by rounding each number to the nearest 10: ______
- Estimate 52 − 24 by rounding each number to the nearest 10: ______
- Estimate 84 + 73 by rounding each number to the nearest 10: ______
- Estimate 43 + 26 by rounding each number to the nearest 10: ______
- Estimate 22 + 28 by rounding each number to the nearest 10: ______
- Estimate 83 + 48 by rounding each number to the nearest 10: ______
- Estimate 21 − 50 by rounding each number to the nearest 10: ______
- Estimate 77 + 54 by rounding each number to the nearest 10: ______
- Estimate 63 + 28 by rounding each number to the nearest 10: ______
- Estimate 21 + 69 by rounding each number to the nearest 10: ______
- Estimate 71 − 43 by rounding each number to the nearest 10: ______