“352高效课堂”是以学案为载体,学生依据学案在教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,确保学生在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。 “352 efficient classroom ” 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 students ’dominant position in learning, to realize the maximum benefit of students’ learning, and to provide classroom time and space for teachers and students as much as possible.