摘要: 论文以“分数的概念”为例，对人教版、北师大版和苏教版三个版本小学数学教科书的设计理念、编写结构和呈现方式进行了对比分析。针对“分数的概念”这一内容，三个版本的小学数学教科书进行了不同的编排和处理。认识到这种共性和差异，对于我们更好地把握小学数学教科书的基本特点具有参考价值。不仅如此，进行同类教科书的对比分析，对于当前的小学数学课程教学的实施具有重要启示。

关键词: 小学数学； 教科书；分数的概念； 比较研究

[Abstract]The article regards the "concept of fraction" as an example and makes a contrastive analyse according to three versions of the elementary school mathematics textbook which include PEP, BNUP and LXJ. The analysis concentrate on texts’ design concept, writing structure and modes of presentation. In view of this content "concept of fraction", There are different layout and processing in three versions of the elementary school mathematics textbooks. To realize the common and difference has reference value for us to grasp  the basic features of elementary school mathematics textbooks. , the comparison of the same textbook will also make an inspiration to the current elementary school mathematics teaching practice.

[Key words] elementary school mathematics; Textbooks; Concept of fraction; Comparative study 

　　本论文选用当前小学数学教学中普遍使用的人民教育出版社编辑出版发行的义务教育数学课程标准实验教科书（以下简称人教版）、北京师范大学出版社出版发行的义务教育数学课程标准实验教科书（以下简称北师大版）和江苏教育出版社发行的义务教育数学课程标准实验教科书（以下简称苏教版）三个典型版本为对象，以小学数学“分数概念的编排”内容为例，对教科书的设计理念、编写结构、呈现方式进行比较。