课堂教学是教育教学中普遍使用的一种手段,它是教师给学生传授知识和技能的全过程,它主要包括教师讲解,学生问答,教学活动以及教学过程中使用的所有教具。课堂教学活动是教师和学生共同参与的双边活动,在这种活动进程中,师生不仅存在知识的传递,而且还存在着人的感情交流。而数学课堂教学则应根据具体的教学内容,注意使学生在获得间接经验的同时也能够有机会获得直接经验,即从学生实际出发,创设有助于学生自主学习的问题情境,引导学生通 Classroom teaching is a commonly used method in education and teaching. It is the whole process of teachers ’imparting knowledge and skills to teachers. It mainly includes teachers’ explanations, student quizzes, teaching activities and all the teaching aids used in the teaching process. Classroom teaching activities are bilateral activities in which teachers and students participate together. In the process of such activities, teachers and students not only have knowledge transfer but also have human feelings exchange. The mathematics classroom teaching should be based on specific teaching content, pay attention to enable students to gain indirect experience, but also have the opportunity to gain direct experience, that is, starting from the students ’reality, to create a problem situation conducive to students’ autonomous learning, to guide students through