课堂教学的有效性是指通过课堂教学使学生获得进步与发展,具体表现在:学生在认知上,从不懂到懂,从不知到知,从不会到会;在情感上,从不喜欢到喜欢,从不热爱到热爱,从不感兴趣到感兴趣,也就是说,学生有无进步或发展是教学有没有效益的唯一指标。《基础教育课程改革纲要》(试行)对优化教学过程做出要求:“教师要转变学生的学习方式,通过教学内容、形式、手段、方法培养学生搜集和处理信息的 The effectiveness of classroom teaching refers to the improvement and development of students through classroom teaching. The concrete manifestation is as follows: Students do not know how to understand from knowing, from knowing to knowing, from never knowing, from emotionally Like to like, never love to love, never interested to be interested, that is, whether the students progress or development is the only indicator of teaching effectiveness. Basic Education Curriculum Reform (Trial) to optimize the teaching process to make the request: ”Teachers want to change the way students learn through teaching content, form, means and methods to develop students to collect and process information