Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 21 by rounding each number to the nearest 10: ______
- Estimate 44 − 28 by rounding each number to the nearest 10: ______
- Estimate 64 + 80 by rounding each number to the nearest 10: ______
- Estimate 79 + 48 by rounding each number to the nearest 10: ______
- Estimate 69 + 56 by rounding each number to the nearest 10: ______
- Estimate 74 − 61 by rounding each number to the nearest 10: ______
- Estimate 30 − 24 by rounding each number to the nearest 10: ______
- Estimate 69 − 47 by rounding each number to the nearest 10: ______
- Estimate 26 − 24 by rounding each number to the nearest 10: ______
- Estimate 43 + 24 by rounding each number to the nearest 10: ______
- Estimate 45 − 26 by rounding each number to the nearest 10: ______
- Estimate 61 − 87 by rounding each number to the nearest 10: ______
- Estimate 78 − 81 by rounding each number to the nearest 10: ______
- Estimate 23 + 55 by rounding each number to the nearest 10: ______
- Estimate 82 − 31 by rounding each number to the nearest 10: ______
- Estimate 54 − 84 by rounding each number to the nearest 10: ______
- Estimate 82 + 31 by rounding each number to the nearest 10: ______
- Estimate 72 − 84 by rounding each number to the nearest 10: ______
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 85 + 66 by rounding each number to the nearest 10: ______