传统的高中数学作业以教材为中心,以高考为参照,由教师按习题的难度组织起来布置给学生,组成一个基础型、提高型、竞赛型的训练链,通过机械重复来加强记忆、巩固课堂教学的知识点。这种“大海捞针”的战术浪费了学生多少宝贵的时间,而由于学生对作业意图不能准确体会,从而大多数学生 The traditional high school mathematics homework takes teaching materials as the center and college entrance examination as the reference, which is arranged by the teachers according to the difficulty of the exercises and arranged to the students to form a training course of basic type, enhanced type and competition type. Mechanical repetitions strengthen the memory and consolidate the classroom Teaching knowledge points. This “needle in a haystack ” tactics waste a lot of valuable time students, and because students can not accurately understand the intention of the operation, so most students