学案是根据学生的认知水平、自学能力、教学内容和课标要求编制出的每一节课的学习方案。利用学案导学,能够提高课堂教学效率,提高学生的数学学习能力,实施中要不断完善学案中的各个环节,为学生的主动发展奠定扎实的基础。 Case study is based on the students’ cognitive level, self-learning ability, teaching content and curriculum requirements prepared for each lesson learning program. The use of case study guide can improve the efficiency of classroom teaching and improve students ’ability to learn mathematics. In practice, we should constantly improve all aspects of the case and lay a solid foundation for the students’ active development.