“学而时习之,不亦说乎”。作业是教学活动必不可少的环节,是检查学生学习情况,反馈教师教学效果的重要手段。作业的布置、批改与纠正是课堂教学至关重要的环节,深深影响着课堂教学的效率,而课堂中的不同学生,总会有智力的差别,拿同一尺度要求所有的学生,肯定是不合理的。新课标明确指出:不同的人学不同的数学,既对不同学习层次的学生应有不同层次的作业与之相匹配,初中数学的分层作业 “Learn and learn from time to time, not to mention ”. Homework is an indispensable part of teaching activities, is an important means to check the students’ learning situation and feedback the teaching effect of teachers. The layout, correction and correction of homework are the most important aspects of classroom teaching, which have a profound impact on the efficiency of classroom teaching. However, different students in the classroom always have different intelligences. If all the students are required to be on the same scale, they will certainly not reasonable. The new curriculum clearly states: Different people learn different mathematics, both for different levels of students should have different levels of homework to match, junior high school mathematics stratification