“教师富有启发性的讲授;创设情境、设计问题,引导学生自主探索、合作交流;组织学生操作实验,观察现象、提出猜想、推理论证等,都能有效地启发学生的思考,使学生成为学习的主体,逐步学会学习”这是《义务教育数学课程标准》中提出的教学建议。综观实施课程改革以来的数学课堂教学,“自主探索、合作交流”的教学方式已被广大教师所认可、所尝试、所实践,这一教学方式也已成为学生学习数学的重要方式,并在学 “Teachers inspiring teaching; create situations, design problems, guide students to explore independently, cooperation and exchange; organize students to operate experiments, observe the phenomenon, put forward conjectures, reasoning and argumentation, can effectively inspire students to think, so that students become The main body of learning, and gradually learn to learn ”This is the“ compulsory education mathematics curriculum standards ”in the proposed teaching. Looking at the teaching of mathematics since the reform of the curriculum has been approved by the majority of teachers, the teaching methods of “self-exploration, cooperation and exchange” have been tried and practiced. This teaching method has also become an important way for students to learn mathematics Learning