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一、教学内容和内容分析教学内容:北师大版《义务教育课程标准实验教科书.数学》八年级上册第四章第二节“平行四边形的判别”(第1课时).内容分析:1.在教材中的地位与作用“平行四边形的判别”紧接“平行四边形的性质”一节.纵观整个初中平面几何教材,四边形既是平面几何中的基本图形,也是“空间与几何”领域的主要研
First, the teaching content and content analysis Teaching content: Beijing Normal University edition of “compulsory education curriculum standard experimental textbook.” Mathematics eighth grade fourth chapter second section “parallelogram discrimination ” (the first class). Content Analysis: 1. The status and role in the textbook “Discrimination of parallelograms ” immediately after the “parallelogram of nature ” section Throughout the entire junior high school geometry textbook, the quadrangle is both the basic graphics in the plane geometry, but also Space and Geometry "area of the main research