对教师在课堂中的角色,《普通高中数学课程标准》指出:“教师不仅是知识的传授者,而且也是学生学习的引导者、组织者和合作者。”课堂是教学的场所与中心,教师教学最主要的内容是课堂教学活动的开展。在课堂教学中,教师与学生的地位及作用、教学方法等,都发生了根本性的变化,教师的角色由知识的传播者转化为引导学生提出问题的指路者,探究问题的激励者和解决问题的合作者。一、在自主探索中自悟,做引导学生提出问题的指路者 For teachers’ roles in the classroom, the “Standard Mathematics Curriculum for General Senior High School” states: “Teachers are not only the preachers of knowledge, but also the guides, organizers and collaborators of student learning.” "Classrooms are the place and center for teaching , The main content of teacher education is the classroom teaching activities. In classroom teaching, the status and role of teachers and students, teaching methods, have undergone fundamental changes, the role of teachers from knowledge disseminators to guide students to ask questions, guide, explore the problem of incentives and Partner to solve the problem. First, in self-exploration of self-awareness, to guide students to ask questions