Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 74 + 56 by rounding each number to the nearest 10: ______
- Estimate 41 + 29 by rounding each number to the nearest 10: ______
- Estimate 47 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 55 by rounding each number to the nearest 10: ______
- Estimate 89 − 88 by rounding each number to the nearest 10: ______
- Estimate 79 + 59 by rounding each number to the nearest 10: ______
- Estimate 29 − 78 by rounding each number to the nearest 10: ______
- Estimate 82 − 56 by rounding each number to the nearest 10: ______
- Estimate 50 − 50 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 82 − 68 by rounding each number to the nearest 10: ______
- Estimate 35 + 28 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 85 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 − 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 64 by rounding each number to the nearest 10: ______
- Estimate 75 − 67 by rounding each number to the nearest 10: ______
- Estimate 23 + 88 by rounding each number to the nearest 10: ______
- Estimate 41 − 50 by rounding each number to the nearest 10: ______