Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 27 − 55 by rounding each number to the nearest 10: ______
- Estimate 49 − 50 by rounding each number to the nearest 10: ______
- Estimate 69 − 25 by rounding each number to the nearest 10: ______
- Estimate 62 + 75 by rounding each number to the nearest 10: ______
- Estimate 32 + 56 by rounding each number to the nearest 10: ______
- Estimate 60 − 48 by rounding each number to the nearest 10: ______
- Estimate 36 − 35 by rounding each number to the nearest 10: ______
- Estimate 86 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 + 56 by rounding each number to the nearest 10: ______
- Estimate 59 − 86 by rounding each number to the nearest 10: ______
- Estimate 87 + 26 by rounding each number to the nearest 10: ______
- Estimate 83 + 58 by rounding each number to the nearest 10: ______
- Estimate 49 + 55 by rounding each number to the nearest 10: ______
- Estimate 75 − 81 by rounding each number to the nearest 10: ______
- Estimate 31 − 66 by rounding each number to the nearest 10: ______
- Estimate 81 − 89 by rounding each number to the nearest 10: ______
- Estimate 23 − 28 by rounding each number to the nearest 10: ______
- Estimate 31 − 22 by rounding each number to the nearest 10: ______
- Estimate 30 − 34 by rounding each number to the nearest 10: ______
- Estimate 76 − 41 by rounding each number to the nearest 10: ______