分组区别教学是从教学实践中提出的课题。我校从１９９８年起，开展了为期两年的小学数学分组区别教学实验。我们试图借鉴复式教学的形式，在单式班中突破传统的班级授课的局限，对同一班级内不同层次和不同特点的学生进行分组区别教学，在群体教学中增加因材施教的因素，以适 Dividing teaching into groups is a topic raised from teaching practice. Since 1998, our school has conducted a two-year teaching experiment on differentiating primary school mathematics groups. We try to draw lessons from the form of double teaching, break through the limitations of traditional class teaching in single-class classes, divide the teaching of students of different levels and different characteristics in the same class, increase the factors of teaching students according to their aptitude in group teaching,