Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 + 60 by rounding each number to the nearest 10: ______
- Estimate 59 − 83 by rounding each number to the nearest 10: ______
- Estimate 46 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 − 65 by rounding each number to the nearest 10: ______
- Estimate 78 + 46 by rounding each number to the nearest 10: ______
- Estimate 43 − 59 by rounding each number to the nearest 10: ______
- Estimate 76 − 62 by rounding each number to the nearest 10: ______
- Estimate 32 + 54 by rounding each number to the nearest 10: ______
- Estimate 62 − 70 by rounding each number to the nearest 10: ______
- Estimate 25 − 22 by rounding each number to the nearest 10: ______
- Estimate 41 + 62 by rounding each number to the nearest 10: ______
- Estimate 21 + 38 by rounding each number to the nearest 10: ______
- Estimate 33 + 81 by rounding each number to the nearest 10: ______
- Estimate 32 + 25 by rounding each number to the nearest 10: ______
- Estimate 73 + 68 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 47 + 38 by rounding each number to the nearest 10: ______
- Estimate 26 − 57 by rounding each number to the nearest 10: ______
- Estimate 58 + 78 by rounding each number to the nearest 10: ______
- Estimate 71 − 63 by rounding each number to the nearest 10: ______