Instructional materials are highly important for teaching, especially for inexperienced teachers. Teachers rely on instructional materials in everyaspect of teaching. They need materials for background information on the subject they are teaching. Young teachers usually have not built up their expertise whenever they enter into the field. Teachers often useinstructional materials for lesson planning. These materials are also needed by teachers to assess the knowledge of their students. Teachers often assess students by assigning tasks, creating projects, and administering exams. Instructional materials are essential for all of these activities.
