“数的整除”单元是小学阶段重要的基础知识,必须让学生切实学好。下面就如何复习谈几点设想,供老师们参考。一、对比性复习从知识结构上看,“数的整除”单元概念多,比较抽象,概念之间容易混淆。据此,复习时,首先要抓住“整除”这个概念作为主线,把有关的概念串连起来,采用对比分析的方法,引导学生搞清 The “divisibility of numbers” unit is an important basic knowledge in primary school and must be effectively learned by students. Here's how to review a few ideas for teachers for reference. First, the comparative review From the knowledge structure, “the number of divisions” unit concept and more abstract, easy to confuse concepts. Accordingly, the review, we must first seize the concept of “divisibility” as the main line, the concept of concatenation, the use of comparative analysis of methods to guide students to find out