Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 49 by rounding each number to the nearest 10: ______
- Estimate 88 − 75 by rounding each number to the nearest 10: ______
- Estimate 41 − 75 by rounding each number to the nearest 10: ______
- Estimate 45 − 81 by rounding each number to the nearest 10: ______
- Estimate 65 − 22 by rounding each number to the nearest 10: ______
- Estimate 56 + 68 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 38 + 62 by rounding each number to the nearest 10: ______
- Estimate 84 + 79 by rounding each number to the nearest 10: ______
- Estimate 83 + 53 by rounding each number to the nearest 10: ______
- Estimate 85 + 79 by rounding each number to the nearest 10: ______
- Estimate 47 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 − 22 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______
- Estimate 60 + 48 by rounding each number to the nearest 10: ______
- Estimate 38 + 81 by rounding each number to the nearest 10: ______
- Estimate 70 − 78 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 85 + 30 by rounding each number to the nearest 10: ______
- Estimate 86 + 69 by rounding each number to the nearest 10: ______