随着2001年《义务教育数学课程标准(实验稿)》的颁布,我国新一轮数学课程改革拉开了帷幕,随之出现的是基于课程标准的教材,一改以往全国只有一本教材的现状.无论哪个版本的教材,都有一个相似设计,即是教科书在每一章的起始都有一段话——章引言,有的教材还有与本章内容配套的图片——章头图.这些内容与一般数学教学内容不同,不是以单独课题出现,而是放在一章之前,成为 With the promulgation of the Compulsory Education Mathematics Curriculum Standard (experimental draft) in 2001, a new round of math curriculum reform in China was launched, followed by textbooks based on curricular standards. In the past, there was only one textbook The status quo. No matter which version of the textbook, there is a similar design, that is, textbooks have a passage at the beginning of each chapter - Chapter Introduction, and some textbooks and the contents of this chapter supporting the picture - Chapter Header. These contents are different from the general mathematics teaching content, and do not appear on a separate subject, but rather on a chapter before becoming