Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 21 by rounding each number to the nearest 10: ______
- Estimate 78 − 36 by rounding each number to the nearest 10: ______
- Estimate 26 − 71 by rounding each number to the nearest 10: ______
- Estimate 83 + 62 by rounding each number to the nearest 10: ______
- Estimate 68 − 69 by rounding each number to the nearest 10: ______
- Estimate 70 − 50 by rounding each number to the nearest 10: ______
- Estimate 35 − 22 by rounding each number to the nearest 10: ______
- Estimate 76 − 56 by rounding each number to the nearest 10: ______
- Estimate 70 + 76 by rounding each number to the nearest 10: ______
- Estimate 72 + 89 by rounding each number to the nearest 10: ______
- Estimate 59 + 70 by rounding each number to the nearest 10: ______
- Estimate 69 − 35 by rounding each number to the nearest 10: ______
- Estimate 22 − 23 by rounding each number to the nearest 10: ______
- Estimate 50 − 77 by rounding each number to the nearest 10: ______
- Estimate 71 − 47 by rounding each number to the nearest 10: ______
- Estimate 41 − 67 by rounding each number to the nearest 10: ______
- Estimate 82 − 47 by rounding each number to the nearest 10: ______
- Estimate 64 − 25 by rounding each number to the nearest 10: ______
- Estimate 62 − 83 by rounding each number to the nearest 10: ______
- Estimate 31 + 53 by rounding each number to the nearest 10: ______