Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 40 by rounding each number to the nearest 10: ______
- Estimate 78 + 78 by rounding each number to the nearest 10: ______
- Estimate 58 − 60 by rounding each number to the nearest 10: ______
- Estimate 78 + 33 by rounding each number to the nearest 10: ______
- Estimate 70 − 22 by rounding each number to the nearest 10: ______
- Estimate 56 − 40 by rounding each number to the nearest 10: ______
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 54 − 48 by rounding each number to the nearest 10: ______
- Estimate 29 − 75 by rounding each number to the nearest 10: ______
- Estimate 22 − 49 by rounding each number to the nearest 10: ______
- Estimate 30 + 68 by rounding each number to the nearest 10: ______
- Estimate 61 + 84 by rounding each number to the nearest 10: ______
- Estimate 72 − 52 by rounding each number to the nearest 10: ______
- Estimate 66 + 71 by rounding each number to the nearest 10: ______
- Estimate 27 + 53 by rounding each number to the nearest 10: ______
- Estimate 22 − 50 by rounding each number to the nearest 10: ______
- Estimate 56 − 26 by rounding each number to the nearest 10: ______
- Estimate 63 − 43 by rounding each number to the nearest 10: ______
- Estimate 23 + 89 by rounding each number to the nearest 10: ______
- Estimate 85 − 55 by rounding each number to the nearest 10: ______