Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 57 + 58 by rounding each number to the nearest 10: ______
- Estimate 24 − 48 by rounding each number to the nearest 10: ______
- Estimate 66 + 47 by rounding each number to the nearest 10: ______
- Estimate 71 + 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 35 by rounding each number to the nearest 10: ______
- Estimate 26 − 89 by rounding each number to the nearest 10: ______
- Estimate 36 + 76 by rounding each number to the nearest 10: ______
- Estimate 28 + 67 by rounding each number to the nearest 10: ______
- Estimate 70 − 24 by rounding each number to the nearest 10: ______
- Estimate 88 − 50 by rounding each number to the nearest 10: ______
- Estimate 31 + 27 by rounding each number to the nearest 10: ______
- Estimate 82 − 27 by rounding each number to the nearest 10: ______
- Estimate 50 − 80 by rounding each number to the nearest 10: ______
- Estimate 61 − 53 by rounding each number to the nearest 10: ______
- Estimate 35 − 51 by rounding each number to the nearest 10: ______
- Estimate 45 + 47 by rounding each number to the nearest 10: ______
- Estimate 23 + 53 by rounding each number to the nearest 10: ______
- Estimate 30 + 83 by rounding each number to the nearest 10: ______
- Estimate 76 − 56 by rounding each number to the nearest 10: ______
- Estimate 22 − 33 by rounding each number to the nearest 10: ______