《数学课程标准》指出:“数学教学是数学活动的教学,是师生之间、学生之间交往互动与共同发展的过程。”这里不但强调了数学教学是一种活动,而且指出是师生互动、生生互动、共同发展的过程,互动是发展的基础。因此,在数学课堂教学中要让学生在“乐”中互动、“疑”中互动、“做”中互动,从而把枯燥的讲授过程变为动态的探索过程,使学生 “Mathematics Curriculum Standard” states: “Mathematics teaching is the teaching of mathematics activities, and the process of interaction, interaction and mutual development among teachers, students and students.” This not only emphasizes that mathematics teaching is an activity, but also points out that Interaction between teachers and students, students interact, the process of common development, interaction is the basis for development. Therefore, in the classroom teaching of mathematics, students should be allowed to interact in “music ”, interact in “doubts ” and “do ” in order to change the boring teaching process into a dynamic exploration process so that students