Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 43 + 59 by rounding each number to the nearest 10: ______
- Estimate 43 − 87 by rounding each number to the nearest 10: ______
- Estimate 34 − 67 by rounding each number to the nearest 10: ______
- Estimate 84 − 78 by rounding each number to the nearest 10: ______
- Estimate 22 − 39 by rounding each number to the nearest 10: ______
- Estimate 24 + 57 by rounding each number to the nearest 10: ______
- Estimate 74 + 76 by rounding each number to the nearest 10: ______
- Estimate 32 + 85 by rounding each number to the nearest 10: ______
- Estimate 71 − 26 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 81 − 76 by rounding each number to the nearest 10: ______
- Estimate 38 + 55 by rounding each number to the nearest 10: ______
- Estimate 53 + 87 by rounding each number to the nearest 10: ______
- Estimate 61 − 48 by rounding each number to the nearest 10: ______
- Estimate 58 − 26 by rounding each number to the nearest 10: ______
- Estimate 44 − 60 by rounding each number to the nearest 10: ______
- Estimate 45 − 45 by rounding each number to the nearest 10: ______
- Estimate 41 + 64 by rounding each number to the nearest 10: ______
- Estimate 46 + 64 by rounding each number to the nearest 10: ______
- Estimate 53 − 50 by rounding each number to the nearest 10: ______