Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 43 by rounding each number to the nearest 10: ______
- Estimate 87 − 79 by rounding each number to the nearest 10: ______
- Estimate 75 + 58 by rounding each number to the nearest 10: ______
- Estimate 43 − 62 by rounding each number to the nearest 10: ______
- Estimate 49 − 60 by rounding each number to the nearest 10: ______
- Estimate 21 + 38 by rounding each number to the nearest 10: ______
- Estimate 60 − 69 by rounding each number to the nearest 10: ______
- Estimate 30 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 − 36 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 − 72 by rounding each number to the nearest 10: ______
- Estimate 32 + 84 by rounding each number to the nearest 10: ______
- Estimate 57 + 40 by rounding each number to the nearest 10: ______
- Estimate 49 + 25 by rounding each number to the nearest 10: ______
- Estimate 38 + 66 by rounding each number to the nearest 10: ______
- Estimate 32 − 27 by rounding each number to the nearest 10: ______
- Estimate 57 + 76 by rounding each number to the nearest 10: ______
- Estimate 47 − 47 by rounding each number to the nearest 10: ______
- Estimate 46 + 82 by rounding each number to the nearest 10: ______
- Estimate 30 + 57 by rounding each number to the nearest 10: ______