Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 + 54 by rounding each number to the nearest 10: ______
- Estimate 61 − 55 by rounding each number to the nearest 10: ______
- Estimate 76 − 26 by rounding each number to the nearest 10: ______
- Estimate 29 + 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 24 by rounding each number to the nearest 10: ______
- Estimate 79 + 86 by rounding each number to the nearest 10: ______
- Estimate 22 − 81 by rounding each number to the nearest 10: ______
- Estimate 46 + 35 by rounding each number to the nearest 10: ______
- Estimate 65 − 65 by rounding each number to the nearest 10: ______
- Estimate 66 − 86 by rounding each number to the nearest 10: ______
- Estimate 74 − 72 by rounding each number to the nearest 10: ______
- Estimate 70 − 87 by rounding each number to the nearest 10: ______
- Estimate 41 − 75 by rounding each number to the nearest 10: ______
- Estimate 39 − 67 by rounding each number to the nearest 10: ______
- Estimate 62 + 64 by rounding each number to the nearest 10: ______
- Estimate 80 − 71 by rounding each number to the nearest 10: ______
- Estimate 55 − 39 by rounding each number to the nearest 10: ______
- Estimate 29 − 48 by rounding each number to the nearest 10: ______
- Estimate 21 + 82 by rounding each number to the nearest 10: ______