Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 25 by rounding each number to the nearest 10: ______
- Estimate 25 + 30 by rounding each number to the nearest 10: ______
- Estimate 42 − 75 by rounding each number to the nearest 10: ______
- Estimate 63 + 40 by rounding each number to the nearest 10: ______
- Estimate 46 − 31 by rounding each number to the nearest 10: ______
- Estimate 34 + 70 by rounding each number to the nearest 10: ______
- Estimate 75 − 64 by rounding each number to the nearest 10: ______
- Estimate 49 − 35 by rounding each number to the nearest 10: ______
- Estimate 57 − 63 by rounding each number to the nearest 10: ______
- Estimate 39 + 66 by rounding each number to the nearest 10: ______
- Estimate 28 + 65 by rounding each number to the nearest 10: ______
- Estimate 40 − 41 by rounding each number to the nearest 10: ______
- Estimate 32 − 37 by rounding each number to the nearest 10: ______
- Estimate 30 − 80 by rounding each number to the nearest 10: ______
- Estimate 40 − 21 by rounding each number to the nearest 10: ______
- Estimate 46 − 82 by rounding each number to the nearest 10: ______
- Estimate 81 + 32 by rounding each number to the nearest 10: ______
- Estimate 68 − 78 by rounding each number to the nearest 10: ______
- Estimate 60 + 78 by rounding each number to the nearest 10: ______
- Estimate 76 + 26 by rounding each number to the nearest 10: ______