Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 75 − 60 by rounding each number to the nearest 10: ______
- Estimate 76 − 21 by rounding each number to the nearest 10: ______
- Estimate 46 − 60 by rounding each number to the nearest 10: ______
- Estimate 63 − 40 by rounding each number to the nearest 10: ______
- Estimate 47 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 31 − 33 by rounding each number to the nearest 10: ______
- Estimate 25 − 32 by rounding each number to the nearest 10: ______
- Estimate 75 − 23 by rounding each number to the nearest 10: ______
- Estimate 30 − 72 by rounding each number to the nearest 10: ______
- Estimate 69 + 21 by rounding each number to the nearest 10: ______
- Estimate 78 − 65 by rounding each number to the nearest 10: ______
- Estimate 43 − 45 by rounding each number to the nearest 10: ______
- Estimate 33 + 33 by rounding each number to the nearest 10: ______
- Estimate 45 − 23 by rounding each number to the nearest 10: ______
- Estimate 85 + 51 by rounding each number to the nearest 10: ______
- Estimate 47 + 87 by rounding each number to the nearest 10: ______
- Estimate 21 + 56 by rounding each number to the nearest 10: ______
- Estimate 82 + 86 by rounding each number to the nearest 10: ______