信息技术课堂教学是具有灵活多变的形式,理论与实践紧密相连,实践性很强的学科。如何在高中信息技术课堂教学中提高有效性,是摆在教师面前的一项紧迫而又必要的课题。本文从课前、课中(堂)、课后等三个阶段,论述与阐述,怎样才能提高课堂有效性。1.课前准备是提前笔者认为,备好课才能上好课,这是前提,也是基础。有效的备课必须体现出:目标的有效:笔者认为,新课程理念是备课应该分析学情、了解现有的教学条件、把握好教材的教学目标和教学内 Information technology classroom teaching is a flexible and changeable form, theory and practice are closely linked, highly practical disciplines. How to improve the effectiveness of information technology in high school classroom teaching is an urgent and necessary task for teachers. This article from the pre-class, class (hall), after class and other three stages, discussed and elaborated on how to improve classroom effectiveness. 1. Pre-class preparation is ahead of time I believe that the preparation of the class can be a good lesson, which is a prerequisite, but also the foundation. Effective lesson preparation must reflect: the effective target: The author believes that the concept of the new curriculum is lesson preparation should analyze the situation, to understand the existing teaching conditions, to grasp the teaching objectives of teaching materials and teaching