Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 21 by rounding each number to the nearest 10: ______
- Estimate 63 + 68 by rounding each number to the nearest 10: ______
- Estimate 70 − 60 by rounding each number to the nearest 10: ______
- Estimate 47 + 37 by rounding each number to the nearest 10: ______
- Estimate 85 + 89 by rounding each number to the nearest 10: ______
- Estimate 21 + 31 by rounding each number to the nearest 10: ______
- Estimate 80 + 89 by rounding each number to the nearest 10: ______
- Estimate 66 + 42 by rounding each number to the nearest 10: ______
- Estimate 27 + 84 by rounding each number to the nearest 10: ______
- Estimate 68 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 48 by rounding each number to the nearest 10: ______
- Estimate 62 − 74 by rounding each number to the nearest 10: ______
- Estimate 40 + 89 by rounding each number to the nearest 10: ______
- Estimate 68 − 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 70 by rounding each number to the nearest 10: ______
- Estimate 59 − 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 84 by rounding each number to the nearest 10: ______
- Estimate 80 + 84 by rounding each number to the nearest 10: ______
- Estimate 53 + 87 by rounding each number to the nearest 10: ______
- Estimate 37 + 55 by rounding each number to the nearest 10: ______