Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 70 by rounding each number to the nearest 10: ______
- Estimate 60 − 24 by rounding each number to the nearest 10: ______
- Estimate 43 + 23 by rounding each number to the nearest 10: ______
- Estimate 43 − 53 by rounding each number to the nearest 10: ______
- Estimate 88 − 55 by rounding each number to the nearest 10: ______
- Estimate 86 − 85 by rounding each number to the nearest 10: ______
- Estimate 30 − 27 by rounding each number to the nearest 10: ______
- Estimate 30 − 40 by rounding each number to the nearest 10: ______
- Estimate 43 − 56 by rounding each number to the nearest 10: ______
- Estimate 53 + 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 88 by rounding each number to the nearest 10: ______
- Estimate 27 + 80 by rounding each number to the nearest 10: ______
- Estimate 79 − 45 by rounding each number to the nearest 10: ______
- Estimate 24 − 56 by rounding each number to the nearest 10: ______
- Estimate 89 + 34 by rounding each number to the nearest 10: ______
- Estimate 60 + 87 by rounding each number to the nearest 10: ______
- Estimate 25 + 41 by rounding each number to the nearest 10: ______
- Estimate 70 + 47 by rounding each number to the nearest 10: ______
- Estimate 65 − 87 by rounding each number to the nearest 10: ______
- Estimate 76 + 82 by rounding each number to the nearest 10: ______