传统的数学课堂教学通常以例题、示范、讲解为主要方式,因此课堂中几乎看不到猜想、实验、观察、推断等学生亲身体验的实践探究活动。教师应从学生好表现、求参与的心理需要出发,尽可能多给学生提供自主探究的机会,改变以往那种让学生跟在教师 The traditional mathematics classroom teaching is usually based on examples, demonstrations and explanations. As a result, almost no practical exploration activities such as conjecture, experiment, observation and inference are observed in the classroom. Teachers should be good students from the psychological needs of the participants to participate in as much as possible to provide students with the opportunity to explore their own, to change the kind of students in the past with teachers