“数的整除”这部分内容有两个特点:第一,概念比较多而且比较抽象。一共有16个新概念,而且是在已知概念的基础上,通过判断,推理、归纳出来的。第二,概念间的联系紧密。这16个概念之间具有紧密的逻辑关系,组成了一个较严密的知识结构,在这个知识结构中蕴藏着丰富的智能因索。我们应该以“重视基础、发展智能”的观点为指导,针对教材的特点,在数 “Divide the number ” This part has two characteristics: First, the concept of more and more abstract. A total of 16 new concepts, but also on the basis of the known concepts, through judgment, reasoning, and summarized. Second, the concepts are closely linked. There is a close logical relationship between these 16 concepts and a more rigorous knowledge structure, in which there is a wealth of intelligent reasoning. We should be “emphasis on the foundation, the development of intelligence ” point of view as a guide, according to the characteristics of teaching materials, in the number