Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 61 by rounding each number to the nearest 10: ______
- Estimate 72 + 51 by rounding each number to the nearest 10: ______
- Estimate 43 − 86 by rounding each number to the nearest 10: ______
- Estimate 56 + 65 by rounding each number to the nearest 10: ______
- Estimate 76 + 24 by rounding each number to the nearest 10: ______
- Estimate 89 − 51 by rounding each number to the nearest 10: ______
- Estimate 49 + 49 by rounding each number to the nearest 10: ______
- Estimate 41 − 28 by rounding each number to the nearest 10: ______
- Estimate 27 + 82 by rounding each number to the nearest 10: ______
- Estimate 21 − 50 by rounding each number to the nearest 10: ______
- Estimate 22 + 62 by rounding each number to the nearest 10: ______
- Estimate 25 + 79 by rounding each number to the nearest 10: ______
- Estimate 24 − 67 by rounding each number to the nearest 10: ______
- Estimate 47 + 31 by rounding each number to the nearest 10: ______
- Estimate 73 − 36 by rounding each number to the nearest 10: ______
- Estimate 51 + 75 by rounding each number to the nearest 10: ______
- Estimate 89 − 38 by rounding each number to the nearest 10: ______
- Estimate 38 − 31 by rounding each number to the nearest 10: ______
- Estimate 49 + 85 by rounding each number to the nearest 10: ______
- Estimate 65 + 84 by rounding each number to the nearest 10: ______