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- Title
A Content Analysis of Tasks Involving Two-Dimensional Cartesian Graphs in Grade 6–8 U. S. Textbooks.
- Authors
Lee, Hwa Young; Guajardo, Lino
- Abstract
Understanding and supporting students' development of graph literacy is important. We studied how aspects of graph literacy might be supported (or hindered) in middle school by analyzing the content in textbooks. Specifically, we conducted a content analysis of tasks involving two-dimensional Cartesian graphs presented in grade 6–8 US textbooks. Three elements were analyzed: the type of activity involved in graphing, the nature of the graph, and the relevant mathematical topic. We first present three illustrative tasks to demonstrate how we made sense of these three elements with graphing tasks. Second, we present the frequency of different types of coordinate system activity, graph activity, and coordinate system types involved in textbook tasks and how they change across grade level and mathematical domain. Our findings reveal varying levels of explosure to different graphing elements students might encounter through textbooks. We discuss implications of our findings on research, teaching, and curriculum development.
- Subjects
TASK analysis; TEXTBOOKS; CONTENT analysis; MATHEMATICAL domains; CURRICULUM planning; CARTESIAN coordinates
- Publication
Investigations in Mathematics Learning, 2023, Vol 15, Issue 3, p222
- ISSN
1947-7503
- Publication type
Academic Journal
- DOI
10.1080/19477503.2023.2241773