“纲要信号”法是一种新的教学方法。教师在教学前要根据教材编排的内容,知识的重点、难点和要求,把讲述的主要知识内容或法则,简明地概括成“纲要”。在教学时,教师先出示讲解“纲要”,为学生提供学习信号,然后用“纲要信号”诱导学生学习教材,指导学生练习实践。这样,可以使学生较快掌握书本上的知识,加深对知识的理 “Schema signal” method is a new teaching method. Before teaching, teachers should concisely outline the main contents of knowledge or rules as “outline” based on the contents of textbooks, the key points, the difficulties and the requirements of knowledge. In teaching, the teacher first to explain “outline” to provide students with learning signals, and then use the “outline signal” to induce students to learn teaching materials to guide students practice practice. In this way, students can quickly grasp the knowledge of the book, deepen the knowledge of reason