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数的概念是小学数学的重要内容之一.它在各年级分散出现,逐步扩充.在总复习阶段,应该依据大纲和教材,从本届学生的实际出发,拟定复习计划,科学地组织复习课.关于“数的概念”部分的复习,我主要采取了以下方法:一、把有关知识系统化,揭示概念间的内在联系.数的概念之间有着密切联系,一个概念,往往是前一个概念的发展,又是后一个概念的基础.在复习“数的整除性”时,我紧紧抓住“整除”这个关键概念,由此出发,一环扣一环,逐步引出其它概念,使学生的知识系统化:
The concept of number is one of the important contents of elementary mathematics.It disperses and gradually expands in all grades.In the general review stage, we should draw up the review plan and organize the review class scientifically according to the outline and teaching materials, according to the students' In my review of the concept of numbers, I mainly adopted the following approaches: 1. To systematize the relevant knowledge and to reveal the internal relations among concepts, there is a close relationship between the concepts of numbers, and one concept, often the previous one In reviewing the “divisibility of numbers,” I firmly grasp the key concept of “divisibility.” From this point of departure, I started to deduce the other concepts and gradually introduced other concepts so that students Systematicization of knowledge: