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《义务教育数学课程标准》要求:“数学教学活动必须建立在学生的认知发展和已有的知识经验基础之上。教师应激发学生学习的积极性,向学生提供充分从事数学活动的机会,帮助他们在自主探索和合作交流的过程中真正理解和掌握基本的数学知识与技能、数学思想和方法,获得广泛的数学活动经验。学生是数学学习的主人,教师是数学学习的组织者、引导者与合作者。”学案导学就是在这个背景下提出来的。学案是指教师依据学生的认知水平、知识经验,为指导学生
The standard of compulsory education mathematics curriculum requires: “Mathematics teaching activities must be based on the cognitive development of students and the existing knowledge and experience. Teachers should stimulate the enthusiasm of students and provide students with opportunities to fully engage in mathematical activities, Help them to truly understand and master the basic knowledge and skills of mathematics, mathematical ideas and methods in their own exploration and cooperation and exchange, gaining a wide range of experience in mathematics activities.Students are the masters of mathematics learning, teachers are the organizers of mathematics learning, and guide And collaborators. ”" Case study guide is put forward in this context. Case is the teacher based on the cognitive level of students, knowledge and experience, to guide students