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在《图形之间的关系》一课中,著名特级教师朱德江巧妙利用集合图,将图形之间的关系逐步展现出来,不仅使学生对图形的特征理解深刻,而且帮助其建立起清晰的结构关系,充分彰显出大师精湛的教学艺术。在六年级下册“空间与图形”总复习中,由于图形概念的繁多和关系的复杂,教师们经常因学生的混淆不清而烦恼,虽采取了各种措施和方法均收效甚微。如何让学生在掌握图形特征的基础上,构建图形之间的结构关系呢?无独有
In the lesson of “the relationship between graphics”, the famous super-teacher Zhu Dejiang clever use of the assembly diagram to gradually show the relationship between graphics, not only to enable students to understand the characteristics of graphics profound, but also help to establish a clear structure Relationship, fully demonstrates the master superb teaching art. In the sixth grade under the “space and graphics” general review, due to the variety of graphics and the complex relationship, teachers are often confused by student confusion and although a variety of measures and methods have been used with little success . How to make students grasp the characteristics of the graphics on the basis of the structure of the relationship between the construction of graphics?