有效的数学学习活动不能单纯地依靠模仿与记忆、动手实践、自主探索与合作交流是学生学习数学的重要方式。课堂讨论作为合作交流学习方式之一,是启发式的教学方法的具体体现,他以师生,生生之间互动的方式,通过互相交流观点,形成对问题较为一致的理解、评价或判断。对于发扬教学民主,让学生真正参于到教学活动中来,发挥学生的个性,调动学生的学习积 Effective mathematical learning activities can not simply rely on imitation and memory, hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics. Classroom discussion, as one of the cooperative learning modes, is a concrete manifestation of the heuristic teaching method. Through the interaction between teachers, students and students, classroom discussions form a more consistent understanding, evaluation or judgment of problems by exchanging views with each other. For the development of teaching democracy, so that students really participate in the teaching activities, to play a student’s personality, mobilize students’ learning product