新一轮课改对教学提出了新要求,也给教师带来了新挑战.为探索教学方法的改革,切实提高教学质量和效益,我校开展了“同课异构”课堂教学探索活动.本文是笔者对这次活动反思后形成的认识.一、三堂公开课概述我校选用的是“人教A版”高中数学课标实验教科书.本次活动选择的内容为数学4第一章第二节“任意角的三角函数”.三位教师根据自己对本节内容 A new round of curriculum reform put forward new requirements for teaching, but also brought new challenges to teachers.In order to explore the reform of teaching methods and effectively improve the quality and effectiveness of teaching, our school launched a “lesson of heterogeneous” teaching Activities.This article is the author of this event after the formation of reflection.One, three open class overview of our school is selected “people teach A version ” high school mathematics textbook experiment textbook. The activities of choice for the content of mathematics 4 Chapter I Section II “trigonometric functions of arbitrary angle ” Three teachers according to their own content of this section