Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 28 by rounding each number to the nearest 10: ______
- Estimate 57 − 75 by rounding each number to the nearest 10: ______
- Estimate 28 − 29 by rounding each number to the nearest 10: ______
- Estimate 54 + 55 by rounding each number to the nearest 10: ______
- Estimate 66 + 29 by rounding each number to the nearest 10: ______
- Estimate 30 + 54 by rounding each number to the nearest 10: ______
- Estimate 86 − 45 by rounding each number to the nearest 10: ______
- Estimate 85 + 61 by rounding each number to the nearest 10: ______
- Estimate 42 + 53 by rounding each number to the nearest 10: ______
- Estimate 50 + 43 by rounding each number to the nearest 10: ______
- Estimate 55 − 55 by rounding each number to the nearest 10: ______
- Estimate 89 + 74 by rounding each number to the nearest 10: ______
- Estimate 80 − 68 by rounding each number to the nearest 10: ______
- Estimate 51 − 61 by rounding each number to the nearest 10: ______
- Estimate 61 − 33 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 85 − 67 by rounding each number to the nearest 10: ______
- Estimate 48 + 27 by rounding each number to the nearest 10: ______
- Estimate 87 − 26 by rounding each number to the nearest 10: ______
- Estimate 83 − 35 by rounding each number to the nearest 10: ______