Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 26 by rounding each number to the nearest 10: ______
- Estimate 82 − 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 + 22 by rounding each number to the nearest 10: ______
- Estimate 77 + 76 by rounding each number to the nearest 10: ______
- Estimate 82 − 36 by rounding each number to the nearest 10: ______
- Estimate 30 − 26 by rounding each number to the nearest 10: ______
- Estimate 66 + 46 by rounding each number to the nearest 10: ______
- Estimate 89 − 51 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 56 − 36 by rounding each number to the nearest 10: ______
- Estimate 69 + 50 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 34 − 67 by rounding each number to the nearest 10: ______
- Estimate 84 + 34 by rounding each number to the nearest 10: ______
- Estimate 33 − 46 by rounding each number to the nearest 10: ______
- Estimate 32 − 78 by rounding each number to the nearest 10: ______
- Estimate 24 − 63 by rounding each number to the nearest 10: ______
- Estimate 86 + 49 by rounding each number to the nearest 10: ______
- Estimate 45 − 27 by rounding each number to the nearest 10: ______