Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 54 + 44 by rounding each number to the nearest 10: ______
- Estimate 71 − 22 by rounding each number to the nearest 10: ______
- Estimate 44 − 22 by rounding each number to the nearest 10: ______
- Estimate 67 − 32 by rounding each number to the nearest 10: ______
- Estimate 83 − 76 by rounding each number to the nearest 10: ______
- Estimate 87 + 27 by rounding each number to the nearest 10: ______
- Estimate 43 + 62 by rounding each number to the nearest 10: ______
- Estimate 48 − 29 by rounding each number to the nearest 10: ______
- Estimate 78 − 83 by rounding each number to the nearest 10: ______
- Estimate 34 + 25 by rounding each number to the nearest 10: ______
- Estimate 39 − 82 by rounding each number to the nearest 10: ______
- Estimate 42 − 39 by rounding each number to the nearest 10: ______
- Estimate 66 − 44 by rounding each number to the nearest 10: ______
- Estimate 73 + 83 by rounding each number to the nearest 10: ______
- Estimate 89 + 81 by rounding each number to the nearest 10: ______
- Estimate 89 + 42 by rounding each number to the nearest 10: ______
- Estimate 25 + 40 by rounding each number to the nearest 10: ______
- Estimate 29 + 38 by rounding each number to the nearest 10: ______
- Estimate 26 + 80 by rounding each number to the nearest 10: ______
- Estimate 37 − 76 by rounding each number to the nearest 10: ______