新课改指出课堂有效性的三点,概括起来首先是学生学习的时间,再就是学习成果,最后是学习体验.学习时间指学习特定内容所花费的时间,即学习效率;学习成果,指学生经过学习所发生的变化、获得的进步和取得的成绩;学习体验,指的是学生的学习感受,即学习活动所伴随或生发的心理体验.数学课堂的高效,教师之功不应仅仅体现在课堂上,而应体现在每一个教学环节和学生的学习环节上,其相辅相成密不可分. The new curriculum reform points out the effectiveness of the three points in the class, summed up in the first is the student learning time, then the learning outcomes, and finally the learning experience. Learning time refers to the time spent learning specific content, namely, learning efficiency; learning outcomes, After learning changes, progress and achievements; learning experience, refers to the students’ learning experience, that is, learning activities accompanied or germinal psychological experience.Mathematics classroom is efficient, the teacher’s merit should not only be reflected in the Class, but should be reflected in every aspect of teaching and learning aspects of the students, their complementarity is inseparable.