Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 44 + 63 by rounding each number to the nearest 10: ______
- Estimate 69 − 67 by rounding each number to the nearest 10: ______
- Estimate 54 + 46 by rounding each number to the nearest 10: ______
- Estimate 80 + 88 by rounding each number to the nearest 10: ______
- Estimate 28 + 79 by rounding each number to the nearest 10: ______
- Estimate 62 − 65 by rounding each number to the nearest 10: ______
- Estimate 87 + 54 by rounding each number to the nearest 10: ______
- Estimate 26 + 53 by rounding each number to the nearest 10: ______
- Estimate 85 − 54 by rounding each number to the nearest 10: ______
- Estimate 45 − 69 by rounding each number to the nearest 10: ______
- Estimate 22 − 71 by rounding each number to the nearest 10: ______
- Estimate 49 + 78 by rounding each number to the nearest 10: ______
- Estimate 71 − 38 by rounding each number to the nearest 10: ______
- Estimate 51 + 63 by rounding each number to the nearest 10: ______
- Estimate 65 − 59 by rounding each number to the nearest 10: ______
- Estimate 77 − 28 by rounding each number to the nearest 10: ______
- Estimate 40 + 59 by rounding each number to the nearest 10: ______
- Estimate 49 + 31 by rounding each number to the nearest 10: ______
- Estimate 48 − 49 by rounding each number to the nearest 10: ______
- Estimate 45 − 66 by rounding each number to the nearest 10: ______