Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 84 − 28 by rounding each number to the nearest 10: ______
- Estimate 65 − 65 by rounding each number to the nearest 10: ______
- Estimate 57 + 46 by rounding each number to the nearest 10: ______
- Estimate 54 − 74 by rounding each number to the nearest 10: ______
- Estimate 30 − 82 by rounding each number to the nearest 10: ______
- Estimate 63 + 72 by rounding each number to the nearest 10: ______
- Estimate 32 − 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 36 by rounding each number to the nearest 10: ______
- Estimate 41 + 63 by rounding each number to the nearest 10: ______
- Estimate 78 − 54 by rounding each number to the nearest 10: ______
- Estimate 81 + 50 by rounding each number to the nearest 10: ______
- Estimate 81 − 88 by rounding each number to the nearest 10: ______
- Estimate 50 + 41 by rounding each number to the nearest 10: ______
- Estimate 53 + 88 by rounding each number to the nearest 10: ______
- Estimate 89 − 83 by rounding each number to the nearest 10: ______
- Estimate 54 − 37 by rounding each number to the nearest 10: ______
- Estimate 31 − 71 by rounding each number to the nearest 10: ______
- Estimate 29 + 59 by rounding each number to the nearest 10: ______
- Estimate 33 + 62 by rounding each number to the nearest 10: ______
- Estimate 26 − 51 by rounding each number to the nearest 10: ______