Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 − 53 by rounding each number to the nearest 10: ______
- Estimate 74 + 82 by rounding each number to the nearest 10: ______
- Estimate 71 − 54 by rounding each number to the nearest 10: ______
- Estimate 74 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 + 39 by rounding each number to the nearest 10: ______
- Estimate 49 + 83 by rounding each number to the nearest 10: ______
- Estimate 83 − 25 by rounding each number to the nearest 10: ______
- Estimate 51 + 29 by rounding each number to the nearest 10: ______
- Estimate 85 + 55 by rounding each number to the nearest 10: ______
- Estimate 64 + 43 by rounding each number to the nearest 10: ______
- Estimate 21 + 27 by rounding each number to the nearest 10: ______
- Estimate 83 + 28 by rounding each number to the nearest 10: ______
- Estimate 41 − 81 by rounding each number to the nearest 10: ______
- Estimate 47 + 46 by rounding each number to the nearest 10: ______
- Estimate 35 + 35 by rounding each number to the nearest 10: ______
- Estimate 71 + 42 by rounding each number to the nearest 10: ______
- Estimate 46 − 76 by rounding each number to the nearest 10: ______
- Estimate 29 + 70 by rounding each number to the nearest 10: ______
- Estimate 53 − 42 by rounding each number to the nearest 10: ______
- Estimate 53 − 40 by rounding each number to the nearest 10: ______