Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 26 − 24 by rounding each number to the nearest 10: ______
- Estimate 56 + 53 by rounding each number to the nearest 10: ______
- Estimate 28 + 66 by rounding each number to the nearest 10: ______
- Estimate 29 + 47 by rounding each number to the nearest 10: ______
- Estimate 47 − 41 by rounding each number to the nearest 10: ______
- Estimate 71 + 56 by rounding each number to the nearest 10: ______
- Estimate 46 − 49 by rounding each number to the nearest 10: ______
- Estimate 84 − 87 by rounding each number to the nearest 10: ______
- Estimate 89 − 60 by rounding each number to the nearest 10: ______
- Estimate 68 − 55 by rounding each number to the nearest 10: ______
- Estimate 50 − 53 by rounding each number to the nearest 10: ______
- Estimate 41 − 61 by rounding each number to the nearest 10: ______
- Estimate 51 + 37 by rounding each number to the nearest 10: ______
- Estimate 84 − 32 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 41 − 27 by rounding each number to the nearest 10: ______
- Estimate 43 − 74 by rounding each number to the nearest 10: ______
- Estimate 30 − 28 by rounding each number to the nearest 10: ______
- Estimate 71 − 68 by rounding each number to the nearest 10: ______
- Estimate 64 + 64 by rounding each number to the nearest 10: ______