Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 31 by rounding each number to the nearest 10: ______
- Estimate 45 − 45 by rounding each number to the nearest 10: ______
- Estimate 31 + 82 by rounding each number to the nearest 10: ______
- Estimate 27 − 40 by rounding each number to the nearest 10: ______
- Estimate 35 − 85 by rounding each number to the nearest 10: ______
- Estimate 21 − 23 by rounding each number to the nearest 10: ______
- Estimate 72 + 51 by rounding each number to the nearest 10: ______
- Estimate 74 − 24 by rounding each number to the nearest 10: ______
- Estimate 55 + 25 by rounding each number to the nearest 10: ______
- Estimate 53 − 76 by rounding each number to the nearest 10: ______
- Estimate 48 − 67 by rounding each number to the nearest 10: ______
- Estimate 54 − 84 by rounding each number to the nearest 10: ______
- Estimate 27 + 72 by rounding each number to the nearest 10: ______
- Estimate 27 + 34 by rounding each number to the nearest 10: ______
- Estimate 82 − 78 by rounding each number to the nearest 10: ______
- Estimate 54 + 69 by rounding each number to the nearest 10: ______
- Estimate 46 − 37 by rounding each number to the nearest 10: ______
- Estimate 57 + 50 by rounding each number to the nearest 10: ______
- Estimate 44 − 60 by rounding each number to the nearest 10: ______
- Estimate 32 − 47 by rounding each number to the nearest 10: ______