Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 50 by rounding each number to the nearest 10: ______
- Estimate 45 + 80 by rounding each number to the nearest 10: ______
- Estimate 23 + 85 by rounding each number to the nearest 10: ______
- Estimate 51 + 23 by rounding each number to the nearest 10: ______
- Estimate 74 − 80 by rounding each number to the nearest 10: ______
- Estimate 38 + 55 by rounding each number to the nearest 10: ______
- Estimate 55 + 48 by rounding each number to the nearest 10: ______
- Estimate 85 − 34 by rounding each number to the nearest 10: ______
- Estimate 63 + 44 by rounding each number to the nearest 10: ______
- Estimate 25 + 48 by rounding each number to the nearest 10: ______
- Estimate 53 + 31 by rounding each number to the nearest 10: ______
- Estimate 53 + 70 by rounding each number to the nearest 10: ______
- Estimate 34 + 82 by rounding each number to the nearest 10: ______
- Estimate 54 − 81 by rounding each number to the nearest 10: ______
- Estimate 67 + 63 by rounding each number to the nearest 10: ______
- Estimate 85 − 28 by rounding each number to the nearest 10: ______
- Estimate 58 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 + 60 by rounding each number to the nearest 10: ______
- Estimate 23 + 68 by rounding each number to the nearest 10: ______
- Estimate 83 + 82 by rounding each number to the nearest 10: ______