Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 49 by rounding each number to the nearest 10: ______
- Estimate 49 − 62 by rounding each number to the nearest 10: ______
- Estimate 62 + 59 by rounding each number to the nearest 10: ______
- Estimate 79 − 80 by rounding each number to the nearest 10: ______
- Estimate 82 − 42 by rounding each number to the nearest 10: ______
- Estimate 25 − 76 by rounding each number to the nearest 10: ______
- Estimate 24 + 43 by rounding each number to the nearest 10: ______
- Estimate 62 + 49 by rounding each number to the nearest 10: ______
- Estimate 82 − 84 by rounding each number to the nearest 10: ______
- Estimate 43 + 82 by rounding each number to the nearest 10: ______
- Estimate 89 − 55 by rounding each number to the nearest 10: ______
- Estimate 27 + 67 by rounding each number to the nearest 10: ______
- Estimate 27 + 21 by rounding each number to the nearest 10: ______
- Estimate 38 − 83 by rounding each number to the nearest 10: ______
- Estimate 60 − 83 by rounding each number to the nearest 10: ______
- Estimate 49 − 26 by rounding each number to the nearest 10: ______
- Estimate 24 − 28 by rounding each number to the nearest 10: ______
- Estimate 56 + 40 by rounding each number to the nearest 10: ______
- Estimate 46 + 22 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______