The document discusses various strategies and methods used in extension teaching, including individual methods like farm and home visits, office calls, telephone calls, letters, and result demonstrations. It also discusses group teaching methods like lectures, general meetings, method demonstrations, extension schools, and tours/field trips. Key factors to consider in choosing appropriate teaching methods include the extension worker, clientele/learners, objectives, subject matter, available materials/facilities, time, and available budget. Methods are also classified based on their outreach as individual, group, or mass methods.