Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 30 − 84 by rounding each number to the nearest 10: ______
- Estimate 82 + 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 71 by rounding each number to the nearest 10: ______
- Estimate 40 + 32 by rounding each number to the nearest 10: ______
- Estimate 53 + 41 by rounding each number to the nearest 10: ______
- Estimate 75 − 65 by rounding each number to the nearest 10: ______
- Estimate 50 + 68 by rounding each number to the nearest 10: ______
- Estimate 53 + 40 by rounding each number to the nearest 10: ______
- Estimate 43 − 70 by rounding each number to the nearest 10: ______
- Estimate 59 − 66 by rounding each number to the nearest 10: ______
- Estimate 59 + 82 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 − 40 by rounding each number to the nearest 10: ______
- Estimate 33 + 62 by rounding each number to the nearest 10: ______
- Estimate 38 − 31 by rounding each number to the nearest 10: ______
- Estimate 75 − 84 by rounding each number to the nearest 10: ______
- Estimate 41 − 31 by rounding each number to the nearest 10: ______
- Estimate 57 + 33 by rounding each number to the nearest 10: ______
- Estimate 79 + 64 by rounding each number to the nearest 10: ______
- Estimate 68 − 74 by rounding each number to the nearest 10: ______