Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 − 82 by rounding each number to the nearest 10: ______
- Estimate 81 − 30 by rounding each number to the nearest 10: ______
- Estimate 86 − 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 30 by rounding each number to the nearest 10: ______
- Estimate 83 + 59 by rounding each number to the nearest 10: ______
- Estimate 43 − 75 by rounding each number to the nearest 10: ______
- Estimate 21 + 62 by rounding each number to the nearest 10: ______
- Estimate 60 + 55 by rounding each number to the nearest 10: ______
- Estimate 24 − 89 by rounding each number to the nearest 10: ______
- Estimate 22 − 23 by rounding each number to the nearest 10: ______
- Estimate 54 + 47 by rounding each number to the nearest 10: ______
- Estimate 75 − 82 by rounding each number to the nearest 10: ______
- Estimate 55 − 42 by rounding each number to the nearest 10: ______
- Estimate 39 + 30 by rounding each number to the nearest 10: ______
- Estimate 41 − 65 by rounding each number to the nearest 10: ______
- Estimate 22 + 77 by rounding each number to the nearest 10: ______
- Estimate 47 − 78 by rounding each number to the nearest 10: ______
- Estimate 51 + 79 by rounding each number to the nearest 10: ______
- Estimate 72 + 81 by rounding each number to the nearest 10: ______
- Estimate 89 − 82 by rounding each number to the nearest 10: ______