Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 27 − 30 by rounding each number to the nearest 10: ______
- Estimate 85 − 26 by rounding each number to the nearest 10: ______
- Estimate 51 − 47 by rounding each number to the nearest 10: ______
- Estimate 44 + 39 by rounding each number to the nearest 10: ______
- Estimate 37 + 74 by rounding each number to the nearest 10: ______
- Estimate 26 − 74 by rounding each number to the nearest 10: ______
- Estimate 86 − 60 by rounding each number to the nearest 10: ______
- Estimate 58 + 65 by rounding each number to the nearest 10: ______
- Estimate 75 + 58 by rounding each number to the nearest 10: ______
- Estimate 70 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 76 by rounding each number to the nearest 10: ______
- Estimate 26 − 73 by rounding each number to the nearest 10: ______
- Estimate 74 + 34 by rounding each number to the nearest 10: ______
- Estimate 65 + 54 by rounding each number to the nearest 10: ______
- Estimate 21 − 65 by rounding each number to the nearest 10: ______
- Estimate 30 − 84 by rounding each number to the nearest 10: ______
- Estimate 28 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 + 54 by rounding each number to the nearest 10: ______
- Estimate 58 + 88 by rounding each number to the nearest 10: ______
- Estimate 44 − 87 by rounding each number to the nearest 10: ______