随着课改的深入,课堂教学已成为人们普遍关注的焦点。而一提到课堂教学方式的转变,许多教师首先想到的是课堂上是否使用多媒体教学手段。把使用多媒体课件作为评判优质课的标准。不管是数学课课题、例题的出示、动手操作演示、探索规律、还是练习题的出示、学生的板演、实践活动等,一切都由电脑来完成,一节课上下来,学生甚至不看教材,不看黑板,头脑中只有最后一张图片。这样一来,多媒体的 With the deepening of curriculum reform, classroom teaching has become a common focus of attention. And referring to the change of classroom teaching, many teachers first think of whether to use multimedia teaching in the classroom. The use of multimedia courseware as a criterion for judging quality classes. Whether it is a math class topic, the presentation of examples, hands-on demonstration, exploring the law, or the production of exercises, students’ performance, practice activities, everything is done by the computer, a class down, students do not even look at the teaching material , Do not look at the blackboard, only the last picture in my mind. As a result, multimedia