学情分析本课的教学对象是小学五年级的学生,这个年龄阶段的学生有极强的好奇心。学生在三年级的时候学习过画图程序,会设置前景色、背景色,会用“颜色填充”工具填充图形,这次要学习的LOGO语言和画图在设置颜色的操作上有很多相似的地方,可以采用旧知迁移的方法,帮助学生更好地学习新知。在LOGO学习方面,学生已经掌握了画正多边形、正多角星的方法。而这些都为本课的学习提供了一定的知识与技 Academic situation analysis This class is targeted at the fifth grade primary school students, students of this age have a strong curiosity. Students in the third grade when learning painting program, will set the foreground color, background color, will use “color fill ” tool to fill the graphics, this time to learn the LOGO language and drawing in the operation of setting color has many similarities Place, you can use the old method of migration, to help students better learning new knowledge. In the LOGO learning, students have mastered the method of drawing regular polygons, are polygons. All of these provide certain knowledge and skills for the learning of this course