“有效教学”指的是课堂内有效果的教学,有效课堂教学的核心就是教学的效益。就数学课堂教学而言,通过从学生的经验出发,找准教学的出发点;把学生置身于现实,推进教学过程;找准新旧知识的联结点,导入新课等途径可以实现有效教学。 “Effective teaching ” refers to effective teaching in the classroom, the core of effective classroom teaching is the benefit of teaching. In terms of mathematics classroom teaching, starting from the students’ experience, find out the starting point of teaching; put the students in reality, promote the teaching process; identify the juncture of the old and the new knowledge, and introduce new courses and other ways to achieve effective teaching.