深挖教材 提高教学效益

Extending the contents of the textbook and improving the teaching effect

就现行高中数学课本 (必修本 )中的部分不足之处作一剖析 ,并指出教学中如何挖掘这部分教材 ,进行适当的引伸与拓广 ,从学生易于接受的方式进行传授 ,使之形成完备的知识体系 ,提高教学效益。

Give an analysis of some shortcomings in present senior middle school math textbook and suggests some teaching methods in tapping and extending its meaning. The author also points out some ways to teach students more easily and acceptably, which can form a complete knowledge system and improve the teaching effect.