Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 24 + 82 by rounding each number to the nearest 10: ______
- Estimate 77 + 89 by rounding each number to the nearest 10: ______
- Estimate 87 + 70 by rounding each number to the nearest 10: ______
- Estimate 76 + 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 24 by rounding each number to the nearest 10: ______
- Estimate 25 − 75 by rounding each number to the nearest 10: ______
- Estimate 66 − 25 by rounding each number to the nearest 10: ______
- Estimate 69 + 46 by rounding each number to the nearest 10: ______
- Estimate 42 − 25 by rounding each number to the nearest 10: ______
- Estimate 24 + 87 by rounding each number to the nearest 10: ______
- Estimate 44 + 58 by rounding each number to the nearest 10: ______
- Estimate 27 + 63 by rounding each number to the nearest 10: ______
- Estimate 85 − 58 by rounding each number to the nearest 10: ______
- Estimate 28 − 77 by rounding each number to the nearest 10: ______
- Estimate 67 − 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 69 by rounding each number to the nearest 10: ______
- Estimate 58 + 33 by rounding each number to the nearest 10: ______
- Estimate 70 − 53 by rounding each number to the nearest 10: ______
- Estimate 22 − 66 by rounding each number to the nearest 10: ______
- Estimate 72 + 38 by rounding each number to the nearest 10: ______