随着新课改的全面展开,课堂上学生主体性的发挥越来越受重视,课堂讨论也就越来越受到教师们的青睐。“论”在《现代汉语词典》解释是分析和说明事理。“讨论”是就某个问题交换意见或进行辨析。课堂讨论以学生间的相互启发、相互学习为主。合理运用课堂讨论能更好地发挥学生的积极性、主动性,有利于培养学生的独立思考能力、人际交往能力,以及灵活运用知识分析问题、解决问题的能力。《数学课程标准》把 With the new curriculum reform in full swing, students play a more and more important role in the classroom, class discussions are also more and more teachers of all ages. “Theory ” in the “Modern Chinese Dictionary” is to explain the analysis and explanation of affairs. “Discussion ” is to exchange opinions or make analysis on a certain issue. Classroom discussions to mutual inspiration between students, learn from each other. The rational use of class discussion can better exert students’ enthusiasm and initiative, help students to develop their independent thinking skills, interpersonal skills, and the ability to use knowledge to analyze and solve problems flexibly. “Mathematics curriculum standards” put