数学的课堂练习,是关系到学生掌握数学知识、形成技能技巧、发展思维能力、培养辩证唯物主义世界现的重要手段,也是关系到教学效率高低的重要问题。当前,数学的课堂练习还存在一些问题,一是复习、准备题的设计偏离新课的主要内容,题目过多.减少了新授的时间;二是练习的题目只机械地模仿例题,缺少变化,影响了学生 Mathematics classroom practice is an important method that relates to students' mastery of mathematics knowledge, formation of skills and skills, development of thinking skills, and development of a dialectical materialistic world. It is also an important issue that concerns the efficiency of teaching. At present, there are still some problems in the practice of mathematics classrooms, one is review, the design of preparatory questions deviates from the main content of the new course, the title is too much, the time of new teaching is reduced, the other is that exercises only imitate examples mechanically and lack of change , Affecting students