Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 56 − 65 by rounding each number to the nearest 10: ______
- Estimate 31 + 50 by rounding each number to the nearest 10: ______
- Estimate 89 − 56 by rounding each number to the nearest 10: ______
- Estimate 31 + 88 by rounding each number to the nearest 10: ______
- Estimate 61 + 79 by rounding each number to the nearest 10: ______
- Estimate 48 − 70 by rounding each number to the nearest 10: ______
- Estimate 33 − 45 by rounding each number to the nearest 10: ______
- Estimate 79 + 29 by rounding each number to the nearest 10: ______
- Estimate 60 − 34 by rounding each number to the nearest 10: ______
- Estimate 53 − 59 by rounding each number to the nearest 10: ______
- Estimate 76 + 49 by rounding each number to the nearest 10: ______
- Estimate 59 + 32 by rounding each number to the nearest 10: ______
- Estimate 26 − 25 by rounding each number to the nearest 10: ______
- Estimate 82 + 54 by rounding each number to the nearest 10: ______
- Estimate 69 − 46 by rounding each number to the nearest 10: ______
- Estimate 60 + 63 by rounding each number to the nearest 10: ______
- Estimate 56 + 68 by rounding each number to the nearest 10: ______
- Estimate 32 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 − 65 by rounding each number to the nearest 10: ______