Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 66 by rounding each number to the nearest 10: ______
- Estimate 70 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 + 86 by rounding each number to the nearest 10: ______
- Estimate 41 + 83 by rounding each number to the nearest 10: ______
- Estimate 68 − 39 by rounding each number to the nearest 10: ______
- Estimate 34 − 38 by rounding each number to the nearest 10: ______
- Estimate 37 − 66 by rounding each number to the nearest 10: ______
- Estimate 37 − 49 by rounding each number to the nearest 10: ______
- Estimate 50 − 34 by rounding each number to the nearest 10: ______
- Estimate 40 + 75 by rounding each number to the nearest 10: ______
- Estimate 41 − 36 by rounding each number to the nearest 10: ______
- Estimate 78 − 39 by rounding each number to the nearest 10: ______
- Estimate 34 + 47 by rounding each number to the nearest 10: ______
- Estimate 56 − 69 by rounding each number to the nearest 10: ______
- Estimate 38 + 66 by rounding each number to the nearest 10: ______
- Estimate 35 − 75 by rounding each number to the nearest 10: ______
- Estimate 49 − 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 84 by rounding each number to the nearest 10: ______
- Estimate 30 + 40 by rounding each number to the nearest 10: ______
- Estimate 66 + 33 by rounding each number to the nearest 10: ______