Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 36 − 72 by rounding each number to the nearest 10: ______
- Estimate 25 − 71 by rounding each number to the nearest 10: ______
- Estimate 81 − 29 by rounding each number to the nearest 10: ______
- Estimate 72 + 85 by rounding each number to the nearest 10: ______
- Estimate 54 − 41 by rounding each number to the nearest 10: ______
- Estimate 61 + 82 by rounding each number to the nearest 10: ______
- Estimate 70 + 26 by rounding each number to the nearest 10: ______
- Estimate 28 + 25 by rounding each number to the nearest 10: ______
- Estimate 36 − 26 by rounding each number to the nearest 10: ______
- Estimate 79 + 76 by rounding each number to the nearest 10: ______
- Estimate 74 + 86 by rounding each number to the nearest 10: ______
- Estimate 78 + 83 by rounding each number to the nearest 10: ______
- Estimate 25 − 33 by rounding each number to the nearest 10: ______
- Estimate 57 − 49 by rounding each number to the nearest 10: ______
- Estimate 25 + 55 by rounding each number to the nearest 10: ______
- Estimate 83 + 62 by rounding each number to the nearest 10: ______
- Estimate 86 − 41 by rounding each number to the nearest 10: ______
- Estimate 53 − 52 by rounding each number to the nearest 10: ______
- Estimate 79 + 75 by rounding each number to the nearest 10: ______
- Estimate 72 − 67 by rounding each number to the nearest 10: ______