《小学数学新课程标准》中指出:有效的数学活动不能单纯地依赖模仿和记忆,动手实践、自主探索与合作交流是学生学习数学的重要方式。因此,有效地组织学生合作学习的教学设计是十分必要的。1解合作学习的要理含义合作学习,就是“以合作学习小组为基本形式,系统地利用教学中动态因素的互动,促进学生学习,共同达成教学目标的教 The ”New Curriculum Standards for Primary Mathematics“ states: Effective mathematical 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, it is very necessary to organize the teaching design of cooperative learning effectively. A solution to the meaning of cooperative learning Cooperative learning is the ”cooperative learning group as the basic form, the systematic use of dynamic interaction in teaching, to promote student learning and work together to achieve the teaching goals