Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 32 by rounding each number to the nearest 10: ______
- Estimate 57 − 21 by rounding each number to the nearest 10: ______
- Estimate 67 − 86 by rounding each number to the nearest 10: ______
- Estimate 59 − 47 by rounding each number to the nearest 10: ______
- Estimate 78 − 54 by rounding each number to the nearest 10: ______
- Estimate 42 − 74 by rounding each number to the nearest 10: ______
- Estimate 39 + 29 by rounding each number to the nearest 10: ______
- Estimate 83 − 46 by rounding each number to the nearest 10: ______
- Estimate 30 − 76 by rounding each number to the nearest 10: ______
- Estimate 22 − 82 by rounding each number to the nearest 10: ______
- Estimate 59 − 24 by rounding each number to the nearest 10: ______
- Estimate 74 + 81 by rounding each number to the nearest 10: ______
- Estimate 85 − 89 by rounding each number to the nearest 10: ______
- Estimate 82 − 67 by rounding each number to the nearest 10: ______
- Estimate 58 + 42 by rounding each number to the nearest 10: ______
- Estimate 46 + 58 by rounding each number to the nearest 10: ______
- Estimate 41 + 60 by rounding each number to the nearest 10: ______
- Estimate 49 + 32 by rounding each number to the nearest 10: ______
- Estimate 24 − 44 by rounding each number to the nearest 10: ______
- Estimate 43 − 47 by rounding each number to the nearest 10: ______