Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 + 25 by rounding each number to the nearest 10: ______
- Estimate 37 − 48 by rounding each number to the nearest 10: ______
- Estimate 63 − 46 by rounding each number to the nearest 10: ______
- Estimate 85 + 61 by rounding each number to the nearest 10: ______
- Estimate 89 − 24 by rounding each number to the nearest 10: ______
- Estimate 73 − 28 by rounding each number to the nearest 10: ______
- Estimate 78 − 85 by rounding each number to the nearest 10: ______
- Estimate 21 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 + 86 by rounding each number to the nearest 10: ______
- Estimate 46 + 55 by rounding each number to the nearest 10: ______
- Estimate 35 − 66 by rounding each number to the nearest 10: ______
- Estimate 61 + 37 by rounding each number to the nearest 10: ______
- Estimate 85 − 83 by rounding each number to the nearest 10: ______
- Estimate 67 − 47 by rounding each number to the nearest 10: ______
- Estimate 29 − 49 by rounding each number to the nearest 10: ______
- Estimate 21 − 46 by rounding each number to the nearest 10: ______
- Estimate 28 + 72 by rounding each number to the nearest 10: ______
- Estimate 38 − 63 by rounding each number to the nearest 10: ______
- Estimate 45 + 85 by rounding each number to the nearest 10: ______
- Estimate 33 − 82 by rounding each number to the nearest 10: ______