教材分析是确定教学方法、学法指导以及设计教学程序的基础．因此说课前必须认真钻研教材，全面考虑教材内容，分析知识结构．只有这样才能合理安排教材内容与顺序，突出重点、抓住关键．下面以“分式的基本性质”一节为例，说明在“说课”程序操作中，如何搞好“教材分析... The analysis of teaching materials is the basis for determining teaching methods, learning method guidance and designing teaching programs. Therefore, we must study the teaching materials carefully before class, consider the contents of the teaching materials comprehensively, and analyze the structure of knowledge. Only in this way can we reasonably arrange the content and sequence of teaching materials, highlight the key points, and grasp the key. The following section takes the “basic nature of fractions” as an example to explain how to do a good job of “analysis of teaching materials” in the operation of “talking about classes”...