Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 56 − 64 by rounding each number to the nearest 10: ______
- Estimate 29 + 77 by rounding each number to the nearest 10: ______
- Estimate 49 − 65 by rounding each number to the nearest 10: ______
- Estimate 80 − 39 by rounding each number to the nearest 10: ______
- Estimate 55 + 53 by rounding each number to the nearest 10: ______
- Estimate 40 + 61 by rounding each number to the nearest 10: ______
- Estimate 70 − 55 by rounding each number to the nearest 10: ______
- Estimate 64 − 65 by rounding each number to the nearest 10: ______
- Estimate 27 + 52 by rounding each number to the nearest 10: ______
- Estimate 22 + 36 by rounding each number to the nearest 10: ______
- Estimate 25 − 74 by rounding each number to the nearest 10: ______
- Estimate 56 − 82 by rounding each number to the nearest 10: ______
- Estimate 37 − 78 by rounding each number to the nearest 10: ______
- Estimate 87 − 56 by rounding each number to the nearest 10: ______
- Estimate 58 + 46 by rounding each number to the nearest 10: ______
- Estimate 26 − 46 by rounding each number to the nearest 10: ______
- Estimate 89 + 59 by rounding each number to the nearest 10: ______
- Estimate 61 − 52 by rounding each number to the nearest 10: ______
- Estimate 86 + 45 by rounding each number to the nearest 10: ______
- Estimate 87 + 82 by rounding each number to the nearest 10: ______