Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 − 70 by rounding each number to the nearest 10: ______
- Estimate 31 + 55 by rounding each number to the nearest 10: ______
- Estimate 82 + 86 by rounding each number to the nearest 10: ______
- Estimate 87 + 70 by rounding each number to the nearest 10: ______
- Estimate 74 + 30 by rounding each number to the nearest 10: ______
- Estimate 39 − 87 by rounding each number to the nearest 10: ______
- Estimate 31 + 36 by rounding each number to the nearest 10: ______
- Estimate 72 − 32 by rounding each number to the nearest 10: ______
- Estimate 66 − 56 by rounding each number to the nearest 10: ______
- Estimate 45 − 67 by rounding each number to the nearest 10: ______
- Estimate 50 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 74 by rounding each number to the nearest 10: ______
- Estimate 46 − 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 83 by rounding each number to the nearest 10: ______
- Estimate 65 + 32 by rounding each number to the nearest 10: ______
- Estimate 24 − 45 by rounding each number to the nearest 10: ______
- Estimate 51 + 87 by rounding each number to the nearest 10: ______
- Estimate 34 + 47 by rounding each number to the nearest 10: ______
- Estimate 34 + 23 by rounding each number to the nearest 10: ______
- Estimate 22 − 21 by rounding each number to the nearest 10: ______