Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 66 by rounding each number to the nearest 10: ______
- Estimate 85 − 88 by rounding each number to the nearest 10: ______
- Estimate 67 + 65 by rounding each number to the nearest 10: ______
- Estimate 68 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 − 38 by rounding each number to the nearest 10: ______
- Estimate 57 − 34 by rounding each number to the nearest 10: ______
- Estimate 60 + 81 by rounding each number to the nearest 10: ______
- Estimate 26 − 89 by rounding each number to the nearest 10: ______
- Estimate 85 + 32 by rounding each number to the nearest 10: ______
- Estimate 88 + 36 by rounding each number to the nearest 10: ______
- Estimate 40 + 46 by rounding each number to the nearest 10: ______
- Estimate 63 + 41 by rounding each number to the nearest 10: ______
- Estimate 61 + 88 by rounding each number to the nearest 10: ______
- Estimate 79 + 81 by rounding each number to the nearest 10: ______
- Estimate 84 − 40 by rounding each number to the nearest 10: ______
- Estimate 57 + 46 by rounding each number to the nearest 10: ______
- Estimate 48 + 31 by rounding each number to the nearest 10: ______
- Estimate 22 + 56 by rounding each number to the nearest 10: ______
- Estimate 84 + 82 by rounding each number to the nearest 10: ______
- Estimate 66 + 34 by rounding each number to the nearest 10: ______