课堂教学有效性指通过课堂教学使学生获得发展,具体表现在:学生在认知上,从不懂到懂,从少知到多知,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。如何实现有效教学?专家说“:学生个体的差异性是客观存在的,面向全体不是让每个学生都获得一样的发展,而是让每个学生都在自己原有的基础上获得发展。不要简单地把学生 The effectiveness of classroom teaching refers to the development of students through classroom teaching, specifically as follows: students do not know how to understand from ignorance, from ignorance to knowledge, never to meeting; in emotion, they never like to Like, never love to love, never interested to be interested. How to achieve effective teaching? Experts say: ”The difference of individual students is an objective reality. For all, it is not for every student to get the same development but for each student to develop on their own basis. Do not simply put students