“说”作为学生的一种必备技能,在数学课堂中发挥着重要的作用,它是师生互动的重要形式,教师在课堂上应该注重引导,让学生敢说、想说、会说,让“说”成为学生学习数学的一种习惯。 As an essential skill of students, “Say ” plays an important role in mathematics classroom. It is an important form of interaction between teachers and students. Teachers should pay attention to guidance in class, let students dare to say, want to say Say, let “say ” become a kind of habit that the student studies mathematics.