Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 26 + 36 by rounding each number to the nearest 10: ______
- Estimate 53 + 46 by rounding each number to the nearest 10: ______
- Estimate 76 + 54 by rounding each number to the nearest 10: ______
- Estimate 83 + 80 by rounding each number to the nearest 10: ______
- Estimate 60 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 − 78 by rounding each number to the nearest 10: ______
- Estimate 24 + 39 by rounding each number to the nearest 10: ______
- Estimate 66 + 76 by rounding each number to the nearest 10: ______
- Estimate 33 − 61 by rounding each number to the nearest 10: ______
- Estimate 41 + 65 by rounding each number to the nearest 10: ______
- Estimate 88 − 35 by rounding each number to the nearest 10: ______
- Estimate 62 + 66 by rounding each number to the nearest 10: ______
- Estimate 59 + 66 by rounding each number to the nearest 10: ______
- Estimate 71 + 21 by rounding each number to the nearest 10: ______
- Estimate 74 + 89 by rounding each number to the nearest 10: ______
- Estimate 40 − 53 by rounding each number to the nearest 10: ______
- Estimate 81 + 51 by rounding each number to the nearest 10: ______
- Estimate 73 − 36 by rounding each number to the nearest 10: ______
- Estimate 33 + 58 by rounding each number to the nearest 10: ______
- Estimate 51 + 57 by rounding each number to the nearest 10: ______