Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 22 − 71 by rounding each number to the nearest 10: ______
- Estimate 37 + 36 by rounding each number to the nearest 10: ______
- Estimate 60 + 71 by rounding each number to the nearest 10: ______
- Estimate 32 − 27 by rounding each number to the nearest 10: ______
- Estimate 40 − 31 by rounding each number to the nearest 10: ______
- Estimate 61 − 60 by rounding each number to the nearest 10: ______
- Estimate 32 + 65 by rounding each number to the nearest 10: ______
- Estimate 41 − 23 by rounding each number to the nearest 10: ______
- Estimate 72 − 41 by rounding each number to the nearest 10: ______
- Estimate 51 − 22 by rounding each number to the nearest 10: ______
- Estimate 38 + 46 by rounding each number to the nearest 10: ______
- Estimate 33 + 23 by rounding each number to the nearest 10: ______
- Estimate 72 + 26 by rounding each number to the nearest 10: ______
- Estimate 70 − 71 by rounding each number to the nearest 10: ______
- Estimate 37 + 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______
- Estimate 66 + 50 by rounding each number to the nearest 10: ______
- Estimate 32 + 49 by rounding each number to the nearest 10: ______
- Estimate 86 + 44 by rounding each number to the nearest 10: ______
- Estimate 63 + 81 by rounding each number to the nearest 10: ______