Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 + 56 by rounding each number to the nearest 10: ______
- Estimate 46 + 70 by rounding each number to the nearest 10: ______
- Estimate 78 + 64 by rounding each number to the nearest 10: ______
- Estimate 23 − 68 by rounding each number to the nearest 10: ______
- Estimate 43 − 81 by rounding each number to the nearest 10: ______
- Estimate 82 + 39 by rounding each number to the nearest 10: ______
- Estimate 31 − 24 by rounding each number to the nearest 10: ______
- Estimate 67 + 81 by rounding each number to the nearest 10: ______
- Estimate 74 + 25 by rounding each number to the nearest 10: ______
- Estimate 43 + 79 by rounding each number to the nearest 10: ______
- Estimate 39 + 65 by rounding each number to the nearest 10: ______
- Estimate 67 − 69 by rounding each number to the nearest 10: ______
- Estimate 69 − 89 by rounding each number to the nearest 10: ______
- Estimate 38 + 45 by rounding each number to the nearest 10: ______
- Estimate 70 − 65 by rounding each number to the nearest 10: ______
- Estimate 44 − 75 by rounding each number to the nearest 10: ______
- Estimate 59 + 68 by rounding each number to the nearest 10: ______
- Estimate 82 − 65 by rounding each number to the nearest 10: ______
- Estimate 51 − 53 by rounding each number to the nearest 10: ______
- Estimate 34 − 72 by rounding each number to the nearest 10: ______