Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 30 by rounding each number to the nearest 10: ______
- Estimate 35 + 43 by rounding each number to the nearest 10: ______
- Estimate 68 − 51 by rounding each number to the nearest 10: ______
- Estimate 86 − 35 by rounding each number to the nearest 10: ______
- Estimate 68 + 21 by rounding each number to the nearest 10: ______
- Estimate 88 + 78 by rounding each number to the nearest 10: ______
- Estimate 60 − 87 by rounding each number to the nearest 10: ______
- Estimate 25 + 84 by rounding each number to the nearest 10: ______
- Estimate 33 − 79 by rounding each number to the nearest 10: ______
- Estimate 82 + 58 by rounding each number to the nearest 10: ______
- Estimate 37 − 67 by rounding each number to the nearest 10: ______
- Estimate 74 − 38 by rounding each number to the nearest 10: ______
- Estimate 80 + 86 by rounding each number to the nearest 10: ______
- Estimate 35 − 61 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______
- Estimate 56 + 49 by rounding each number to the nearest 10: ______
- Estimate 85 + 88 by rounding each number to the nearest 10: ______
- Estimate 67 + 86 by rounding each number to the nearest 10: ______
- Estimate 75 + 66 by rounding each number to the nearest 10: ______
- Estimate 84 + 55 by rounding each number to the nearest 10: ______