Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 35 by rounding each number to the nearest 10: ______
- Estimate 34 + 86 by rounding each number to the nearest 10: ______
- Estimate 88 + 80 by rounding each number to the nearest 10: ______
- Estimate 78 + 49 by rounding each number to the nearest 10: ______
- Estimate 30 + 24 by rounding each number to the nearest 10: ______
- Estimate 31 − 23 by rounding each number to the nearest 10: ______
- Estimate 36 − 79 by rounding each number to the nearest 10: ______
- Estimate 58 − 49 by rounding each number to the nearest 10: ______
- Estimate 86 − 59 by rounding each number to the nearest 10: ______
- Estimate 56 + 49 by rounding each number to the nearest 10: ______
- Estimate 55 + 54 by rounding each number to the nearest 10: ______
- Estimate 82 + 47 by rounding each number to the nearest 10: ______
- Estimate 87 − 22 by rounding each number to the nearest 10: ______
- Estimate 47 − 66 by rounding each number to the nearest 10: ______
- Estimate 55 − 89 by rounding each number to the nearest 10: ______
- Estimate 87 + 83 by rounding each number to the nearest 10: ______
- Estimate 70 + 45 by rounding each number to the nearest 10: ______
- Estimate 58 + 41 by rounding each number to the nearest 10: ______
- Estimate 75 + 24 by rounding each number to the nearest 10: ______
- Estimate 83 − 35 by rounding each number to the nearest 10: ______