Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 36 + 74 by rounding each number to the nearest 10: ______
- Estimate 25 − 74 by rounding each number to the nearest 10: ______
- Estimate 48 − 86 by rounding each number to the nearest 10: ______
- Estimate 85 − 31 by rounding each number to the nearest 10: ______
- Estimate 81 + 87 by rounding each number to the nearest 10: ______
- Estimate 89 − 43 by rounding each number to the nearest 10: ______
- Estimate 71 − 76 by rounding each number to the nearest 10: ______
- Estimate 85 − 63 by rounding each number to the nearest 10: ______
- Estimate 85 + 85 by rounding each number to the nearest 10: ______
- Estimate 65 − 52 by rounding each number to the nearest 10: ______
- Estimate 48 + 48 by rounding each number to the nearest 10: ______
- Estimate 70 + 88 by rounding each number to the nearest 10: ______
- Estimate 60 + 82 by rounding each number to the nearest 10: ______
- Estimate 34 + 32 by rounding each number to the nearest 10: ______
- Estimate 70 + 36 by rounding each number to the nearest 10: ______
- Estimate 40 + 60 by rounding each number to the nearest 10: ______
- Estimate 57 + 45 by rounding each number to the nearest 10: ______
- Estimate 26 + 57 by rounding each number to the nearest 10: ______
- Estimate 38 − 29 by rounding each number to the nearest 10: ______
- Estimate 30 − 78 by rounding each number to the nearest 10: ______