Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 − 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 71 by rounding each number to the nearest 10: ______
- Estimate 24 + 72 by rounding each number to the nearest 10: ______
- Estimate 35 − 26 by rounding each number to the nearest 10: ______
- Estimate 65 + 69 by rounding each number to the nearest 10: ______
- Estimate 50 − 81 by rounding each number to the nearest 10: ______
- Estimate 60 + 57 by rounding each number to the nearest 10: ______
- Estimate 71 − 57 by rounding each number to the nearest 10: ______
- Estimate 32 + 85 by rounding each number to the nearest 10: ______
- Estimate 72 − 75 by rounding each number to the nearest 10: ______
- Estimate 68 − 70 by rounding each number to the nearest 10: ______
- Estimate 76 + 23 by rounding each number to the nearest 10: ______
- Estimate 43 − 34 by rounding each number to the nearest 10: ______
- Estimate 78 + 57 by rounding each number to the nearest 10: ______
- Estimate 41 + 63 by rounding each number to the nearest 10: ______
- Estimate 25 − 79 by rounding each number to the nearest 10: ______
- Estimate 41 − 82 by rounding each number to the nearest 10: ______
- Estimate 72 + 50 by rounding each number to the nearest 10: ______
- Estimate 72 + 51 by rounding each number to the nearest 10: ______
- Estimate 70 − 57 by rounding each number to the nearest 10: ______