Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 48 by rounding each number to the nearest 10: ______
- Estimate 28 + 66 by rounding each number to the nearest 10: ______
- Estimate 57 − 85 by rounding each number to the nearest 10: ______
- Estimate 86 + 78 by rounding each number to the nearest 10: ______
- Estimate 75 − 59 by rounding each number to the nearest 10: ______
- Estimate 88 + 85 by rounding each number to the nearest 10: ______
- Estimate 64 + 49 by rounding each number to the nearest 10: ______
- Estimate 49 + 36 by rounding each number to the nearest 10: ______
- Estimate 57 − 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 43 by rounding each number to the nearest 10: ______
- Estimate 65 − 65 by rounding each number to the nearest 10: ______
- Estimate 82 − 79 by rounding each number to the nearest 10: ______
- Estimate 38 + 71 by rounding each number to the nearest 10: ______
- Estimate 25 + 50 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 37 + 79 by rounding each number to the nearest 10: ______
- Estimate 53 − 21 by rounding each number to the nearest 10: ______
- Estimate 53 + 88 by rounding each number to the nearest 10: ______
- Estimate 81 − 49 by rounding each number to the nearest 10: ______
- Estimate 72 − 74 by rounding each number to the nearest 10: ______