Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 − 74 by rounding each number to the nearest 10: ______
- Estimate 67 + 79 by rounding each number to the nearest 10: ______
- Estimate 84 + 29 by rounding each number to the nearest 10: ______
- Estimate 69 − 78 by rounding each number to the nearest 10: ______
- Estimate 27 + 74 by rounding each number to the nearest 10: ______
- Estimate 38 − 25 by rounding each number to the nearest 10: ______
- Estimate 39 + 41 by rounding each number to the nearest 10: ______
- Estimate 78 + 45 by rounding each number to the nearest 10: ______
- Estimate 40 − 67 by rounding each number to the nearest 10: ______
- Estimate 55 + 55 by rounding each number to the nearest 10: ______
- Estimate 86 − 65 by rounding each number to the nearest 10: ______
- Estimate 76 − 50 by rounding each number to the nearest 10: ______
- Estimate 52 − 85 by rounding each number to the nearest 10: ______
- Estimate 53 + 36 by rounding each number to the nearest 10: ______
- Estimate 77 − 79 by rounding each number to the nearest 10: ______
- Estimate 60 − 57 by rounding each number to the nearest 10: ______
- Estimate 26 + 75 by rounding each number to the nearest 10: ______
- Estimate 89 − 26 by rounding each number to the nearest 10: ______
- Estimate 79 − 86 by rounding each number to the nearest 10: ______
- Estimate 46 − 22 by rounding each number to the nearest 10: ______