Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 − 57 by rounding each number to the nearest 10: ______
- Estimate 32 − 88 by rounding each number to the nearest 10: ______
- Estimate 49 + 39 by rounding each number to the nearest 10: ______
- Estimate 66 + 62 by rounding each number to the nearest 10: ______
- Estimate 25 + 79 by rounding each number to the nearest 10: ______
- Estimate 66 − 37 by rounding each number to the nearest 10: ______
- Estimate 86 + 39 by rounding each number to the nearest 10: ______
- Estimate 82 + 31 by rounding each number to the nearest 10: ______
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 21 + 49 by rounding each number to the nearest 10: ______
- Estimate 24 − 60 by rounding each number to the nearest 10: ______
- Estimate 60 − 79 by rounding each number to the nearest 10: ______
- Estimate 82 + 39 by rounding each number to the nearest 10: ______
- Estimate 57 − 68 by rounding each number to the nearest 10: ______
- Estimate 40 − 57 by rounding each number to the nearest 10: ______
- Estimate 78 − 89 by rounding each number to the nearest 10: ______
- Estimate 80 − 71 by rounding each number to the nearest 10: ______
- Estimate 42 − 84 by rounding each number to the nearest 10: ______
- Estimate 71 − 37 by rounding each number to the nearest 10: ______
- Estimate 64 + 67 by rounding each number to the nearest 10: ______