Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 34 − 85 by rounding each number to the nearest 10: ______
- Estimate 50 + 32 by rounding each number to the nearest 10: ______
- Estimate 55 − 28 by rounding each number to the nearest 10: ______
- Estimate 54 − 24 by rounding each number to the nearest 10: ______
- Estimate 76 − 51 by rounding each number to the nearest 10: ______
- Estimate 34 + 80 by rounding each number to the nearest 10: ______
- Estimate 46 − 42 by rounding each number to the nearest 10: ______
- Estimate 42 − 65 by rounding each number to the nearest 10: ______
- Estimate 78 + 69 by rounding each number to the nearest 10: ______
- Estimate 54 + 25 by rounding each number to the nearest 10: ______
- Estimate 63 − 69 by rounding each number to the nearest 10: ______
- Estimate 70 + 61 by rounding each number to the nearest 10: ______
- Estimate 82 − 79 by rounding each number to the nearest 10: ______
- Estimate 25 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 − 88 by rounding each number to the nearest 10: ______
- Estimate 42 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 + 32 by rounding each number to the nearest 10: ______
- Estimate 28 − 89 by rounding each number to the nearest 10: ______
- Estimate 23 − 21 by rounding each number to the nearest 10: ______
- Estimate 40 + 70 by rounding each number to the nearest 10: ______