Pay attention to the headings of the sections and subsections. Read the summary. The point is to get an idea of the main topics and sections of the chapter. As you READ the assignment, look for the answers to the questions you have made. You TEST yourself after you have finished the entire chapter.
All students can invent their own approaches to reading a textbook.
There are five good generalities which could lead to nice results, though. These generalities are condensed easily into a formula similar to the one above. Then read the captions under all pictures, graphs or charts. Ask yourself at least six questions about the subjects covered in the chapter and what you want to know in the content. Write down the questions or circle ones in the workbook you want to answer.