Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 54 by rounding each number to the nearest 10: ______
- Estimate 55 − 61 by rounding each number to the nearest 10: ______
- Estimate 82 − 80 by rounding each number to the nearest 10: ______
- Estimate 89 + 79 by rounding each number to the nearest 10: ______
- Estimate 76 + 84 by rounding each number to the nearest 10: ______
- Estimate 33 + 53 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 78 − 65 by rounding each number to the nearest 10: ______
- Estimate 47 + 48 by rounding each number to the nearest 10: ______
- Estimate 76 + 83 by rounding each number to the nearest 10: ______
- Estimate 24 − 39 by rounding each number to the nearest 10: ______
- Estimate 50 + 80 by rounding each number to the nearest 10: ______
- Estimate 70 + 58 by rounding each number to the nearest 10: ______
- Estimate 71 + 85 by rounding each number to the nearest 10: ______
- Estimate 41 − 60 by rounding each number to the nearest 10: ______
- Estimate 33 + 34 by rounding each number to the nearest 10: ______
- Estimate 72 + 31 by rounding each number to the nearest 10: ______
- Estimate 47 − 50 by rounding each number to the nearest 10: ______
- Estimate 68 − 51 by rounding each number to the nearest 10: ______
- Estimate 22 − 27 by rounding each number to the nearest 10: ______