Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 − 89 by rounding each number to the nearest 10: ______
- Estimate 25 + 34 by rounding each number to the nearest 10: ______
- Estimate 67 + 21 by rounding each number to the nearest 10: ______
- Estimate 75 − 21 by rounding each number to the nearest 10: ______
- Estimate 65 + 71 by rounding each number to the nearest 10: ______
- Estimate 79 + 82 by rounding each number to the nearest 10: ______
- Estimate 72 − 65 by rounding each number to the nearest 10: ______
- Estimate 32 + 55 by rounding each number to the nearest 10: ______
- Estimate 45 − 34 by rounding each number to the nearest 10: ______
- Estimate 63 − 74 by rounding each number to the nearest 10: ______
- Estimate 65 − 60 by rounding each number to the nearest 10: ______
- Estimate 57 − 62 by rounding each number to the nearest 10: ______
- Estimate 46 − 43 by rounding each number to the nearest 10: ______
- Estimate 87 + 74 by rounding each number to the nearest 10: ______
- Estimate 47 + 80 by rounding each number to the nearest 10: ______
- Estimate 52 + 47 by rounding each number to the nearest 10: ______
- Estimate 68 + 27 by rounding each number to the nearest 10: ______
- Estimate 65 + 30 by rounding each number to the nearest 10: ______
- Estimate 57 + 30 by rounding each number to the nearest 10: ______
- Estimate 75 − 46 by rounding each number to the nearest 10: ______