导学案体现学生为中心,通过学生的自主学习等活动,使学生真正成为学习的主人。因此,理解“学、导、练”的含义并使之在导学案中贯彻是非常重要的。导学案中的“导”是目标、知识问题化、方法指导;“学”是自主、独立、小组合作的学;“练”是问题的归类、综合、提炼、改造之后所提出的新的问题。 Guiding case reflects the students as the center, through the students’ autonomous learning and other activities, so that students truly become the masters of learning. Therefore, it is very important to understand the meaning of “learning, guiding and practicing” and make it be implemented in the guiding case. “Guidance” in the Guiding Case is the goal, the problem of knowledge, the guidance of the method; the “Xue” is the study of autonomy, independence and group cooperation; the “training” is the classification, synthesis, After the transformation of the proposed new problems.