Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 79 by rounding each number to the nearest 10: ______
- Estimate 82 + 49 by rounding each number to the nearest 10: ______
- Estimate 24 + 66 by rounding each number to the nearest 10: ______
- Estimate 33 − 41 by rounding each number to the nearest 10: ______
- Estimate 53 + 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 29 by rounding each number to the nearest 10: ______
- Estimate 21 + 34 by rounding each number to the nearest 10: ______
- Estimate 27 + 54 by rounding each number to the nearest 10: ______
- Estimate 29 − 56 by rounding each number to the nearest 10: ______
- Estimate 47 − 46 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 25 + 22 by rounding each number to the nearest 10: ______
- Estimate 81 + 29 by rounding each number to the nearest 10: ______
- Estimate 26 + 86 by rounding each number to the nearest 10: ______
- Estimate 54 + 87 by rounding each number to the nearest 10: ______
- Estimate 83 + 35 by rounding each number to the nearest 10: ______
- Estimate 82 − 76 by rounding each number to the nearest 10: ______
- Estimate 50 − 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 40 by rounding each number to the nearest 10: ______
- Estimate 73 + 81 by rounding each number to the nearest 10: ______