Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 86 by rounding each number to the nearest 10: ______
- Estimate 36 − 27 by rounding each number to the nearest 10: ______
- Estimate 61 + 68 by rounding each number to the nearest 10: ______
- Estimate 25 + 62 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 62 − 81 by rounding each number to the nearest 10: ______
- Estimate 45 − 82 by rounding each number to the nearest 10: ______
- Estimate 46 + 85 by rounding each number to the nearest 10: ______
- Estimate 26 + 82 by rounding each number to the nearest 10: ______
- Estimate 54 − 86 by rounding each number to the nearest 10: ______
- Estimate 26 + 87 by rounding each number to the nearest 10: ______
- Estimate 53 − 31 by rounding each number to the nearest 10: ______
- Estimate 38 + 46 by rounding each number to the nearest 10: ______
- Estimate 28 − 89 by rounding each number to the nearest 10: ______
- Estimate 53 + 38 by rounding each number to the nearest 10: ______
- Estimate 28 − 78 by rounding each number to the nearest 10: ______
- Estimate 50 − 27 by rounding each number to the nearest 10: ______
- Estimate 72 + 57 by rounding each number to the nearest 10: ______
- Estimate 63 + 29 by rounding each number to the nearest 10: ______
- Estimate 78 + 72 by rounding each number to the nearest 10: ______