学案教学是以学案为载体,学生依据学案在老师指导下进行自主探究的教学活动。它的功能是:通过引导学生自主学习、自主探究,确保学生学习中主体地位的落实,实现学生学习的最大效益,最大限度地为师生“互动-探究”提供课堂时空。 Case study teaching is based on the case as a carrier, students under the guidance of teachers under the guidance of independent research teaching activities. Its function is: to guide the students to learn independently and explore independently to ensure the implementation of the dominant position in student learning, to achieve the maximum benefits of student learning, and to maximize the classroom time and space for teachers and students “interaction - inquiry ”.