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初二几何,一般学生感到“名词定义抽象难记;图形变换错综复杂;推理、论证入手困难;分析、综合掌握不易”。同时,教师教起来也感到困难而效果不好。我过去教初二几何时也走了不少的弯路,所以我深深体会到,如何教好初二几何是当前必须解决的问题,也是当前初二几何教师所共同关心的问题。现在把我在这方面的几点体会写出来,供同志们参考。
In the second grade of geometry, the average student feels that “the definition of nouns is difficult to remember abstractly; the graphical transformation is complicated; reasoning and argumentation are difficult; analysis and comprehensive control are difficult”. At the same time, teachers are also difficult to learn and not effective. In the past, when I taught the geometry of the 2nd grade, I also took a lot of detours, so I deeply realized that how to teach the geometry of the 2nd grade is the problem that must be solved currently, and it is also a problem that the current 2nd grade geometry teachers are concerned about. Let me now write down some of my experiences in this area for reference by comrades.