运用常规电教媒体　优化数学课堂教学

Optimizing Maths Teaching in Class by Means of Electronic Media

用实例说明电教媒体是提高数学教学效率的有效途径，指出了在投影教学中不仅要优化教材，还要优化使用、优化组合．

This article discusses how a maths teacher can optimize his mafhs teaching in class by making use of the eletronic media including the designing of a class, homework analysis and reflexible revision.