Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 25 by rounding each number to the nearest 10: ______
- Estimate 34 − 65 by rounding each number to the nearest 10: ______
- Estimate 65 + 45 by rounding each number to the nearest 10: ______
- Estimate 27 + 84 by rounding each number to the nearest 10: ______
- Estimate 62 − 58 by rounding each number to the nearest 10: ______
- Estimate 45 − 31 by rounding each number to the nearest 10: ______
- Estimate 43 + 82 by rounding each number to the nearest 10: ______
- Estimate 40 + 62 by rounding each number to the nearest 10: ______
- Estimate 43 + 34 by rounding each number to the nearest 10: ______
- Estimate 23 − 85 by rounding each number to the nearest 10: ______
- Estimate 50 + 34 by rounding each number to the nearest 10: ______
- Estimate 68 − 39 by rounding each number to the nearest 10: ______
- Estimate 69 + 70 by rounding each number to the nearest 10: ______
- Estimate 24 − 32 by rounding each number to the nearest 10: ______
- Estimate 61 + 22 by rounding each number to the nearest 10: ______
- Estimate 78 + 30 by rounding each number to the nearest 10: ______
- Estimate 53 + 55 by rounding each number to the nearest 10: ______
- Estimate 30 + 32 by rounding each number to the nearest 10: ______
- Estimate 68 − 40 by rounding each number to the nearest 10: ______
- Estimate 46 − 78 by rounding each number to the nearest 10: ______