Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 85 by rounding each number to the nearest 10: ______
- Estimate 41 − 78 by rounding each number to the nearest 10: ______
- Estimate 48 + 84 by rounding each number to the nearest 10: ______
- Estimate 80 + 53 by rounding each number to the nearest 10: ______
- Estimate 41 + 22 by rounding each number to the nearest 10: ______
- Estimate 35 − 52 by rounding each number to the nearest 10: ______
- Estimate 39 + 60 by rounding each number to the nearest 10: ______
- Estimate 79 + 43 by rounding each number to the nearest 10: ______
- Estimate 30 + 35 by rounding each number to the nearest 10: ______
- Estimate 43 + 22 by rounding each number to the nearest 10: ______
- Estimate 85 + 89 by rounding each number to the nearest 10: ______
- Estimate 42 + 37 by rounding each number to the nearest 10: ______
- Estimate 32 + 23 by rounding each number to the nearest 10: ______
- Estimate 25 + 81 by rounding each number to the nearest 10: ______
- Estimate 31 + 70 by rounding each number to the nearest 10: ______
- Estimate 50 + 78 by rounding each number to the nearest 10: ______
- Estimate 32 + 81 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 38 − 78 by rounding each number to the nearest 10: ______
- Estimate 76 − 52 by rounding each number to the nearest 10: ______