Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 + 54 by rounding each number to the nearest 10: ______
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 85 + 51 by rounding each number to the nearest 10: ______
- Estimate 80 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 − 31 by rounding each number to the nearest 10: ______
- Estimate 21 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 + 70 by rounding each number to the nearest 10: ______
- Estimate 32 − 51 by rounding each number to the nearest 10: ______
- Estimate 49 + 67 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 51 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 − 25 by rounding each number to the nearest 10: ______
- Estimate 54 + 70 by rounding each number to the nearest 10: ______
- Estimate 22 + 57 by rounding each number to the nearest 10: ______
- Estimate 22 + 52 by rounding each number to the nearest 10: ______
- Estimate 23 + 67 by rounding each number to the nearest 10: ______
- Estimate 60 + 56 by rounding each number to the nearest 10: ______
- Estimate 85 + 51 by rounding each number to the nearest 10: ______
- Estimate 51 + 86 by rounding each number to the nearest 10: ______
- Estimate 75 − 69 by rounding each number to the nearest 10: ______