Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 + 86 by rounding each number to the nearest 10: ______
- Estimate 45 + 84 by rounding each number to the nearest 10: ______
- Estimate 80 + 33 by rounding each number to the nearest 10: ______
- Estimate 21 + 33 by rounding each number to the nearest 10: ______
- Estimate 89 − 21 by rounding each number to the nearest 10: ______
- Estimate 75 + 50 by rounding each number to the nearest 10: ______
- Estimate 82 − 77 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 21 − 38 by rounding each number to the nearest 10: ______
- Estimate 55 + 76 by rounding each number to the nearest 10: ______
- Estimate 57 − 49 by rounding each number to the nearest 10: ______
- Estimate 70 + 77 by rounding each number to the nearest 10: ______
- Estimate 70 + 30 by rounding each number to the nearest 10: ______
- Estimate 78 − 39 by rounding each number to the nearest 10: ______
- Estimate 71 − 68 by rounding each number to the nearest 10: ______
- Estimate 45 − 62 by rounding each number to the nearest 10: ______
- Estimate 65 − 21 by rounding each number to the nearest 10: ______
- Estimate 89 + 41 by rounding each number to the nearest 10: ______
- Estimate 69 + 70 by rounding each number to the nearest 10: ______