《数学课程标准》指出:“让不同的人在数学上得到不同的发展。”这就要求我们在教学中时刻关注每一个学生、尊重每一个学生。学生之间由于先天素质、家庭背景等方面的不同存在着差异,这种差异不仅仅是指学习成绩,还有学习品质、学习习惯,更包括学生的学习方法和学习速度。教师应关注每一个或每一类学生的特殊性,在实施区别指导和分层分组教学时, The standard of mathematics curriculum states: “Let different people get different developments in mathematics.” This requires that we pay close attention to each student and respect each and every student in our teaching. There are differences between students due to innate qualifications, family background and other differences, this difference is not only refers to academic performance, as well as learning quality, learning habits, but also includes students’ learning methods and learning speed. Teachers should pay attention to the particularity of each class or class of students. In the implementation of differential instruction and hierarchical group teaching,