《全日制义务教育数学课程标准》指出: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,数学学习活动应当是一个生动活泼的、主动的和富有个性的过程,可以看出,合作交流学习是小学生学习数学的一种主要的方式。所谓合作交流学习是指学生在学习群体中为了完成共同的任务,有明确责任的相助性学习。 Full-time compulsory education mathematics curriculum standard points out: hands-on practice, independent exploration and cooperation and exchange are important ways for students to learn mathematics, mathematics learning activities should be a lively, active and individualized process, we can see that cooperation Communication learning is one of the primary ways in which pupils learn mathematics. The so-called cooperation and exchange of learning refers to students in the learning community in order to complete a common task, there is a clear responsibility to help learn.