Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 − 83 by rounding each number to the nearest 10: ______
- Estimate 40 + 31 by rounding each number to the nearest 10: ______
- Estimate 45 + 23 by rounding each number to the nearest 10: ______
- Estimate 55 − 85 by rounding each number to the nearest 10: ______
- Estimate 82 − 33 by rounding each number to the nearest 10: ______
- Estimate 74 + 43 by rounding each number to the nearest 10: ______
- Estimate 80 + 22 by rounding each number to the nearest 10: ______
- Estimate 60 − 86 by rounding each number to the nearest 10: ______
- Estimate 64 − 59 by rounding each number to the nearest 10: ______
- Estimate 49 − 38 by rounding each number to the nearest 10: ______
- Estimate 64 + 67 by rounding each number to the nearest 10: ______
- Estimate 83 − 56 by rounding each number to the nearest 10: ______
- Estimate 80 − 53 by rounding each number to the nearest 10: ______
- Estimate 49 − 34 by rounding each number to the nearest 10: ______
- Estimate 58 + 85 by rounding each number to the nearest 10: ______
- Estimate 51 + 56 by rounding each number to the nearest 10: ______
- Estimate 85 − 22 by rounding each number to the nearest 10: ______
- Estimate 21 − 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 33 by rounding each number to the nearest 10: ______
- Estimate 54 + 74 by rounding each number to the nearest 10: ______