Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 29 by rounding each number to the nearest 10: ______
- Estimate 43 + 24 by rounding each number to the nearest 10: ______
- Estimate 65 − 42 by rounding each number to the nearest 10: ______
- Estimate 70 + 50 by rounding each number to the nearest 10: ______
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 71 + 73 by rounding each number to the nearest 10: ______
- Estimate 51 − 49 by rounding each number to the nearest 10: ______
- Estimate 68 − 74 by rounding each number to the nearest 10: ______
- Estimate 62 − 49 by rounding each number to the nearest 10: ______
- Estimate 76 + 87 by rounding each number to the nearest 10: ______
- Estimate 22 − 83 by rounding each number to the nearest 10: ______
- Estimate 78 − 89 by rounding each number to the nearest 10: ______
- Estimate 67 − 85 by rounding each number to the nearest 10: ______
- Estimate 55 − 49 by rounding each number to the nearest 10: ______
- Estimate 83 − 74 by rounding each number to the nearest 10: ______
- Estimate 78 + 66 by rounding each number to the nearest 10: ______
- Estimate 68 − 84 by rounding each number to the nearest 10: ______
- Estimate 73 + 33 by rounding each number to the nearest 10: ______
- Estimate 72 − 45 by rounding each number to the nearest 10: ______
- Estimate 27 + 23 by rounding each number to the nearest 10: ______