导学案是教师为引导学生运用旧知学习新知而创造的一种文本形式。它以学生的既有知识和教材为依托,创造设计一种不同于教材结构,学生又易于理解和掌握的文案形式。它内含教材新知、活动设计、适量练习等,是学练结合、学以致用的师生共享课堂活动载体,也是教师搭台,学生唱戏、演戏的导演“剧本”。目前,导学案在一些地区被广泛使用,并在某些地区取得显著成绩。但笔者在实践导学案教 The guide case is a text form created by teachers to guide students to learn new knowledge by using old knowledge. It relies on the student’s existing knowledge and teaching materials to create and design a form of copy that is different from the textbook structure and is easy for students to understand and master. It contains textbook knowledge, activities, design, exercise, etc., is a combination of learning and practicing, students and teachers learn to share the activities of the classroom carrier, but also the teacher to take the stage, the students singing and acting director “script”. At present, the guide case is widely used in some areas and has made remarkable achievements in some areas. However, I teach in the practice of conducting teaching