我校使用的是人教版高中数学新教材(A版本),作为奋斗在一线的普通教师,更应该直面新课改,加强对课改精神理解,不断完善自身教学素养,为新课改增砖添瓦,现笔者将高中数学必修2立体几何初步在教学过程,从以下几个方面谈一下自己粗浅的一些体会和认识。1对立体几何知识的理解 Our school is using the new PEP textbook (A version). As an ordinary teacher struggling in the front line, we should face the new curriculum reform, strengthen the understanding of the curriculum reform spirit, and constantly improve our own teaching accomplishment, Brick Tim tile, the author will be high school mathematics compulsory 2 three-dimensional geometry preliminary in the teaching process, from the following aspects to talk about some of their superficial experience and understanding. 1 understanding of the three-dimensional geometric knowledge