The document discusses various teaching methods including lecture, discussion, textbook reading, and demonstration methods. It provides definitions and principles for each method. For lecture method, it describes the steps of planning, presentation, and evaluation phases. Discussion method emphasizes active student participation and collaboration led by a facilitating teacher. Textbook reading method uses textbooks as the primary knowledge source, with a three-phase approach of before, during, and after reading. Demonstration method involves showing students how to do something and then having them practice, applying principles of learning by doing and imitation.