Before you start reading your article in full, you should look through the article to get an idea of what it is about and how it is structured. This will help you determine how long it will take you to read, the best method for taking notes, and give you a better sense of the article's main points and relevancy to your information need.
Here are the steps to take when Scanning an article:
Once you have completed these steps it will be much easier for you to determine how you want to break down the article for reading, and what you will gain from reading the article in full. Usually you are reading an academic article to support a class discussion or add to your own research project, so establishing why you are reading helps you to get more out of the text than you would by just starting!