The document discusses guidelines for designing and developing effective instructional materials. It explains that instructional materials include textbooks, workbooks, and multimedia resources that can motivate students, reinforce learning, and make the learning process more interactive. The Cone of Experience model suggests learning is most effective when it proceeds from concrete to abstract experiences using multiple senses. Examples are given of teachers integrating technology like simulations, spreadsheets, and video conferencing to engage students and enrich various subjects like social studies, geography, science, and language arts.