Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 − 80 by rounding each number to the nearest 10: ______
- Estimate 78 − 75 by rounding each number to the nearest 10: ______
- Estimate 33 + 42 by rounding each number to the nearest 10: ______
- Estimate 75 − 45 by rounding each number to the nearest 10: ______
- Estimate 49 + 68 by rounding each number to the nearest 10: ______
- Estimate 40 − 87 by rounding each number to the nearest 10: ______
- Estimate 89 + 59 by rounding each number to the nearest 10: ______
- Estimate 72 − 21 by rounding each number to the nearest 10: ______
- Estimate 79 − 83 by rounding each number to the nearest 10: ______
- Estimate 28 + 46 by rounding each number to the nearest 10: ______
- Estimate 43 + 45 by rounding each number to the nearest 10: ______
- Estimate 67 − 45 by rounding each number to the nearest 10: ______
- Estimate 87 − 42 by rounding each number to the nearest 10: ______
- Estimate 33 − 82 by rounding each number to the nearest 10: ______
- Estimate 27 + 37 by rounding each number to the nearest 10: ______
- Estimate 51 + 80 by rounding each number to the nearest 10: ______
- Estimate 30 + 89 by rounding each number to the nearest 10: ______
- Estimate 87 − 47 by rounding each number to the nearest 10: ______
- Estimate 84 − 47 by rounding each number to the nearest 10: ______
- Estimate 22 + 66 by rounding each number to the nearest 10: ______