Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 48 by rounding each number to the nearest 10: ______
- Estimate 58 + 78 by rounding each number to the nearest 10: ______
- Estimate 39 + 55 by rounding each number to the nearest 10: ______
- Estimate 46 + 31 by rounding each number to the nearest 10: ______
- Estimate 55 + 79 by rounding each number to the nearest 10: ______
- Estimate 68 − 67 by rounding each number to the nearest 10: ______
- Estimate 86 − 44 by rounding each number to the nearest 10: ______
- Estimate 82 − 70 by rounding each number to the nearest 10: ______
- Estimate 79 + 49 by rounding each number to the nearest 10: ______
- Estimate 57 − 30 by rounding each number to the nearest 10: ______
- Estimate 85 + 79 by rounding each number to the nearest 10: ______
- Estimate 81 + 53 by rounding each number to the nearest 10: ______
- Estimate 43 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 30 − 54 by rounding each number to the nearest 10: ______
- Estimate 61 + 24 by rounding each number to the nearest 10: ______
- Estimate 57 + 65 by rounding each number to the nearest 10: ______
- Estimate 51 + 22 by rounding each number to the nearest 10: ______
- Estimate 24 + 30 by rounding each number to the nearest 10: ______
- Estimate 35 − 89 by rounding each number to the nearest 10: ______