Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 66 − 72 by rounding each number to the nearest 10: ______
- Estimate 27 + 86 by rounding each number to the nearest 10: ______
- Estimate 71 − 48 by rounding each number to the nearest 10: ______
- Estimate 29 − 75 by rounding each number to the nearest 10: ______
- Estimate 80 + 33 by rounding each number to the nearest 10: ______
- Estimate 29 + 82 by rounding each number to the nearest 10: ______
- Estimate 35 + 63 by rounding each number to the nearest 10: ______
- Estimate 52 − 28 by rounding each number to the nearest 10: ______
- Estimate 41 − 24 by rounding each number to the nearest 10: ______
- Estimate 82 − 36 by rounding each number to the nearest 10: ______
- Estimate 72 + 56 by rounding each number to the nearest 10: ______
- Estimate 69 − 64 by rounding each number to the nearest 10: ______
- Estimate 26 + 57 by rounding each number to the nearest 10: ______
- Estimate 75 + 24 by rounding each number to the nearest 10: ______
- Estimate 36 − 60 by rounding each number to the nearest 10: ______
- Estimate 89 − 67 by rounding each number to the nearest 10: ______
- Estimate 36 + 53 by rounding each number to the nearest 10: ______
- Estimate 70 − 65 by rounding each number to the nearest 10: ______
- Estimate 84 − 87 by rounding each number to the nearest 10: ______
- Estimate 86 + 58 by rounding each number to the nearest 10: ______