《数学课程标准》指出:“有效的数学活动不能单纯地依赖模仿与记忆,动手实践、自主探索与合作交流是学生学习数学的重要方法。”因此,小组合作学习是时代赋予数学活动的要求。它首次在课堂上给了学生自主合作的机会,培养了学生的团体合作和竞争意识,发展了学生的交往与审美能力。为了有效 The standard of mathematics curriculum states: “Effective mathematics activities can not rely solely on imitation and memory, hands-on practice, independent exploration and cooperation and exchange are important ways for students to learn mathematics.” Therefore, group cooperative learning is an activity that mathematics activities are given by the times Claim. For the first time in the classroom, it gives students the opportunity of independent cooperation, fosters students ’awareness of group cooperation and competition, and develops students’ communication and aesthetic ability. To be effective