TYPES OF REPRESENTATIONS OF THE NUMBER LINE IN TEXTBOOKS

被引：0

作者：

Bruno, Alicia ^{[1
]}

Cabrera, Noemi ^{[1
]}

机构：

[1] Univ La Laguna, E-38207 San Cristobal la Laguna, Spain

来源：

PME 30: PROCEEDINGS OF THE 30TH CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCATION, VOL 2 | 2006年

关键词：

D O I：

暂无

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

This article shows the results of a study undertaken to discover how the number line model is used in Compulsory Education by three different Spanish publishers of mathematics textbooks. We noted why and how the number line is used: number concept, operations, order, and different representations. The results show that there are differences between publishers with regard to the frequency and way in which they use the number line. The number line is mainly used when new number systems (whole, integer, rational or real numbers) are introduced, while it is less often connected with basic operations.

引用

页码：249 / 256

页数：8

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