Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 55 − 62 by rounding each number to the nearest 10: ______
- Estimate 41 − 60 by rounding each number to the nearest 10: ______
- Estimate 39 + 45 by rounding each number to the nearest 10: ______
- Estimate 58 + 31 by rounding each number to the nearest 10: ______
- Estimate 71 + 33 by rounding each number to the nearest 10: ______
- Estimate 75 + 73 by rounding each number to the nearest 10: ______
- Estimate 51 + 49 by rounding each number to the nearest 10: ______
- Estimate 64 − 48 by rounding each number to the nearest 10: ______
- Estimate 34 + 82 by rounding each number to the nearest 10: ______
- Estimate 31 + 68 by rounding each number to the nearest 10: ______
- Estimate 22 − 86 by rounding each number to the nearest 10: ______
- Estimate 58 + 34 by rounding each number to the nearest 10: ______
- Estimate 63 + 58 by rounding each number to the nearest 10: ______
- Estimate 80 + 71 by rounding each number to the nearest 10: ______
- Estimate 65 + 67 by rounding each number to the nearest 10: ______
- Estimate 45 + 27 by rounding each number to the nearest 10: ______
- Estimate 76 − 80 by rounding each number to the nearest 10: ______
- Estimate 61 − 34 by rounding each number to the nearest 10: ______
- Estimate 58 + 38 by rounding each number to the nearest 10: ______
- Estimate 27 − 75 by rounding each number to the nearest 10: ______