Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 40 by rounding each number to the nearest 10: ______
- Estimate 71 − 28 by rounding each number to the nearest 10: ______
- Estimate 31 − 65 by rounding each number to the nearest 10: ______
- Estimate 41 + 67 by rounding each number to the nearest 10: ______
- Estimate 63 − 78 by rounding each number to the nearest 10: ______
- Estimate 62 − 58 by rounding each number to the nearest 10: ______
- Estimate 67 − 86 by rounding each number to the nearest 10: ______
- Estimate 51 − 74 by rounding each number to the nearest 10: ______
- Estimate 77 + 46 by rounding each number to the nearest 10: ______
- Estimate 75 + 86 by rounding each number to the nearest 10: ______
- Estimate 29 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______
- Estimate 49 + 45 by rounding each number to the nearest 10: ______
- Estimate 22 − 89 by rounding each number to the nearest 10: ______
- Estimate 60 − 64 by rounding each number to the nearest 10: ______
- Estimate 23 + 77 by rounding each number to the nearest 10: ______
- Estimate 28 + 64 by rounding each number to the nearest 10: ______
- Estimate 50 + 47 by rounding each number to the nearest 10: ______
- Estimate 30 + 41 by rounding each number to the nearest 10: ______
- Estimate 76 + 87 by rounding each number to the nearest 10: ______