三年级学生已经学过有关鱼的绘画课《海底世界》,通过录像了解了鱼的不同外形、特点、生存环境等等。所以,《动物装饰——鱼》这课教学设计的重点、难点,主要是鱼的外形变化和鱼鳞的图案装饰。由于中年级学生已有一定理解能力,想像力比较丰富,并掌握了图案设计的一些简单方法。因此软件设计主要在于开阔学生思路,使 The third grade students have already learned about the fish painting class “Underwater World”, through the video to understand the different shapes, characteristics, living environment and so on. Therefore, the “animal decoration - fish,” the focus of this teaching design, the difficulties, mainly fish shape changes and fish scale pattern decoration. As middle-aged students already have some ability to understand, rich imagination, and mastered the design of some simple ways. Therefore, the main software design is to broaden students thinking