Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 62 + 26 by rounding each number to the nearest 10: ______
- Estimate 76 − 62 by rounding each number to the nearest 10: ______
- Estimate 64 + 76 by rounding each number to the nearest 10: ______
- Estimate 63 + 85 by rounding each number to the nearest 10: ______
- Estimate 81 − 25 by rounding each number to the nearest 10: ______
- Estimate 77 − 45 by rounding each number to the nearest 10: ______
- Estimate 35 + 86 by rounding each number to the nearest 10: ______
- Estimate 37 + 27 by rounding each number to the nearest 10: ______
- Estimate 43 + 41 by rounding each number to the nearest 10: ______
- Estimate 72 − 51 by rounding each number to the nearest 10: ______
- Estimate 22 + 88 by rounding each number to the nearest 10: ______
- Estimate 61 − 53 by rounding each number to the nearest 10: ______
- Estimate 85 + 71 by rounding each number to the nearest 10: ______
- Estimate 46 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 + 86 by rounding each number to the nearest 10: ______
- Estimate 55 − 82 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 37 + 61 by rounding each number to the nearest 10: ______
- Estimate 23 + 23 by rounding each number to the nearest 10: ______
- Estimate 76 + 41 by rounding each number to the nearest 10: ______