Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 − 85 by rounding each number to the nearest 10: ______
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 65 − 53 by rounding each number to the nearest 10: ______
- Estimate 25 + 28 by rounding each number to the nearest 10: ______
- Estimate 42 + 36 by rounding each number to the nearest 10: ______
- Estimate 44 − 80 by rounding each number to the nearest 10: ______
- Estimate 86 + 31 by rounding each number to the nearest 10: ______
- Estimate 76 + 31 by rounding each number to the nearest 10: ______
- Estimate 78 − 27 by rounding each number to the nearest 10: ______
- Estimate 25 − 86 by rounding each number to the nearest 10: ______
- Estimate 66 − 32 by rounding each number to the nearest 10: ______
- Estimate 23 + 89 by rounding each number to the nearest 10: ______
- Estimate 43 − 27 by rounding each number to the nearest 10: ______
- Estimate 88 + 87 by rounding each number to the nearest 10: ______
- Estimate 35 + 83 by rounding each number to the nearest 10: ______
- Estimate 53 + 34 by rounding each number to the nearest 10: ______
- Estimate 89 − 32 by rounding each number to the nearest 10: ______
- Estimate 66 − 30 by rounding each number to the nearest 10: ______
- Estimate 49 + 44 by rounding each number to the nearest 10: ______
- Estimate 22 + 58 by rounding each number to the nearest 10: ______