Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 + 49 by rounding each number to the nearest 10: ______
- Estimate 51 − 48 by rounding each number to the nearest 10: ______
- Estimate 81 − 48 by rounding each number to the nearest 10: ______
- Estimate 85 − 61 by rounding each number to the nearest 10: ______
- Estimate 71 + 65 by rounding each number to the nearest 10: ______
- Estimate 84 + 35 by rounding each number to the nearest 10: ______
- Estimate 61 − 71 by rounding each number to the nearest 10: ______
- Estimate 54 − 66 by rounding each number to the nearest 10: ______
- Estimate 38 − 80 by rounding each number to the nearest 10: ______
- Estimate 24 − 71 by rounding each number to the nearest 10: ______
- Estimate 49 − 55 by rounding each number to the nearest 10: ______
- Estimate 38 + 38 by rounding each number to the nearest 10: ______
- Estimate 81 + 77 by rounding each number to the nearest 10: ______
- Estimate 79 + 67 by rounding each number to the nearest 10: ______
- Estimate 63 + 63 by rounding each number to the nearest 10: ______
- Estimate 41 − 60 by rounding each number to the nearest 10: ______
- Estimate 69 + 23 by rounding each number to the nearest 10: ______
- Estimate 81 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 25 by rounding each number to the nearest 10: ______
- Estimate 88 − 36 by rounding each number to the nearest 10: ______