学案是沟通学与教的桥梁,是指依据学生的认知水平,知识经验,为指导学生进行主动的知识建构而编制的学习方案。教师在学案设计中应以任务驱动为载体,注重问题引导,并配有简约的图文操作提示,除此之外,学案设计还需体现所学知识的延伸并搭建立体式自我和他人评价体系。 The case is a bridge between learning and teaching. It refers to a learning program prepared on the basis of students’ cognitive level and knowledge and experience to guide students in their active knowledge construction. Teachers in the design of the case should be driven by the task as a carrier, focusing on problem-oriented, and with brief graphic operation tips, in addition, the case design also need to reflect the extension of knowledge and build self-stereoscopic self and others evaluation system.