Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 86 − 82 by rounding each number to the nearest 10: ______
- Estimate 89 + 60 by rounding each number to the nearest 10: ______
- Estimate 54 − 82 by rounding each number to the nearest 10: ______
- Estimate 46 − 34 by rounding each number to the nearest 10: ______
- Estimate 34 + 41 by rounding each number to the nearest 10: ______
- Estimate 70 + 75 by rounding each number to the nearest 10: ______
- Estimate 66 − 23 by rounding each number to the nearest 10: ______
- Estimate 46 + 37 by rounding each number to the nearest 10: ______
- Estimate 39 + 34 by rounding each number to the nearest 10: ______
- Estimate 23 + 34 by rounding each number to the nearest 10: ______
- Estimate 89 + 42 by rounding each number to the nearest 10: ______
- Estimate 65 + 58 by rounding each number to the nearest 10: ______
- Estimate 39 + 69 by rounding each number to the nearest 10: ______
- Estimate 28 + 76 by rounding each number to the nearest 10: ______
- Estimate 80 + 56 by rounding each number to the nearest 10: ______
- Estimate 61 + 46 by rounding each number to the nearest 10: ______
- Estimate 41 − 52 by rounding each number to the nearest 10: ______
- Estimate 61 − 31 by rounding each number to the nearest 10: ______
- Estimate 59 + 60 by rounding each number to the nearest 10: ______
- Estimate 40 + 53 by rounding each number to the nearest 10: ______