数学新课程标准指出:“人人学有价值的数学,人人都能获得必须的数学,不同的人从数学上得到不同的发展.”这就要求我们教师在课堂教学中,一定要面向全体学生,让自己的教学内容、教学方法和教学进度能适应几乎所有学生的认知水平和接受能力,全面实施数学教育.然而,由于种种原因,有不少学生学习落后了,成了所谓的“后进生”.随着教学的深入,这样的队伍越来越庞大,他们不仅自己对学 The new mathematics curriculum standard points out: “Everyone learns valuable mathematics, everyone can get the necessary mathematics, and different people get different developments from mathematics.” This requires us teachers in classroom teaching, we must for all students, so that their teaching content, teaching methods and teaching schedule will adapt to almost all of the students’ cognitive level and ability to accept, the full implementation of mathematics education. However, for various reasons, many students behind, became the so-called After the teaching, the team is more and more huge, they not only their own learning