This document discusses guidelines for effectively planning and using instructional media and audio-visual materials in teaching. It recommends considering the needs of students, subject matter, and how the materials can best be utilized. There are many uses for materials, such as introducing, developing, interpreting, and summarizing units of instruction. A basic plan for effective teaching includes preparing yourself and the classroom, presenting the materials, summarizing, and following up. The total system of instruction should encompass learners, objectives, methods, materials, facilities, and equipment. It describes five phases: introduction, development, organization, summarization, and evaluation. Evaluation techniques include written tests, oral discussions, and written reports.