一、前期准备1.科学分组科学分组,构建结构合理的学习小组,是进行小组合作学习的前提。从教学实践中来看,合作学习的人数以4人为最佳,采用前后座位的做法组合分为一个小组。在小组人员的搭配上,要根据“组间同质,组内异质,优势互补”的原则。综合考虑学生成绩、性别、兴趣爱好、智力结构等因素将全班学生分为若干个小组。在分组时,让不同特质,不同层次的学生进行优化组 First, preparatory 1. Scientific grouping scientific grouping, the construction of a structured learning group, is the premise for the group’s cooperative learning. From the teaching practice point of view, the number of cooperative learning is best for 4 people, and the combination of practice before and after the seat is divided into a group. The matching of team members should be based on the principle of “homogeneity between groups, heterogeneity within groups, and complementary advantages.” Considering factors such as student achievement, gender, hobbies, and intellectual structure, the entire class is divided into several groups. When grouping, let students with different traits and different levels optimize group