This chapter explores various teaching methods and strategies in the context of online instructional design, emphasizing the importance of adapting pedagogical approaches to suit modern technological advancements. The integration of Human–Computer Interaction (HCI) principles into online learning environments is examined, highlighting the role of usability and accessibility in fostering engaging, user-friendly educational experiences. The chapter discusses a variety of teaching methods, including flipped classrooms, gamification, and blended learning, showcasing their effectiveness in enhancing student engagement and motivation. Each method is analyzed in terms of its implementation in online settings and its potential to create interactive, personalized learning experiences. Additionally, the chapter emphasizes the need for adaptive, student-centered teaching approaches that prioritize learner autonomy, collaborative learning, and real-time feedback. The role of technology in supporting these pedagogical strategies is also explored, with a focus on ensuring equitable access to learning resources. Ultimately, the chapter provides insights into the evolving landscape of online education, offering guidance for educators to design and implement effective instructional methods that cater to diverse learner needs and enhance overall educational outcomes.