Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 46 by rounding each number to the nearest 10: ______
- Estimate 69 + 40 by rounding each number to the nearest 10: ______
- Estimate 46 + 63 by rounding each number to the nearest 10: ______
- Estimate 78 − 22 by rounding each number to the nearest 10: ______
- Estimate 45 − 84 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 35 + 87 by rounding each number to the nearest 10: ______
- Estimate 60 + 50 by rounding each number to the nearest 10: ______
- Estimate 53 + 78 by rounding each number to the nearest 10: ______
- Estimate 85 − 83 by rounding each number to the nearest 10: ______
- Estimate 41 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 − 45 by rounding each number to the nearest 10: ______
- Estimate 69 − 52 by rounding each number to the nearest 10: ______
- Estimate 82 − 86 by rounding each number to the nearest 10: ______
- Estimate 56 + 26 by rounding each number to the nearest 10: ______
- Estimate 42 − 53 by rounding each number to the nearest 10: ______
- Estimate 89 + 60 by rounding each number to the nearest 10: ______
- Estimate 57 + 60 by rounding each number to the nearest 10: ______
- Estimate 56 + 22 by rounding each number to the nearest 10: ______
- Estimate 38 − 42 by rounding each number to the nearest 10: ______