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Middle school mathematics teachers’ mathematical practices in teaching slope, linear equations, and graphs in technology enhanced classroom environment
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index.pdf
Date
2017
Author
Yemen Karpuzcu, Seçil
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The aim of this study was to examine an in-service middle school mathematics teacher’s mathematical practices in teaching slope, linear equations and graphs in a technology enhanced classroom environment while enacting an instructional sequence that was designed based on the national curriculum. The technology utilized in the study was GeoGebra materials within computers that were developed by the teacher and the researcher to be used for the instructional sequence. The data was collected during the spring semester of 2012-2013 while she was teaching to eight graders in her mathematics classrooms. While the primary data source was classroom teaching sessions of the teacher, other data sources (i.e. individual pre-interview and post-interview, planning and analyzing instruction sessions, classroom activity sheets, and field notes) were considered for a coherent examination of the teacher’s mathematical practices. The data was analyzed by using qualitative methods. The findings of the study were presented within the scope of the teacher's mathematical practices such as bridging, trimming and decompressing in two contexts, when the teacher used GeoGebra materials and when she made mathematical explanations while not using GeoGebra materials. The findings indicated that the teacher utilized various sets of mathematical practices that were composed of several actions. While bridging practices were the most seen mathematical practices, they also fostered and advanced trimming and decompressing practices. All these practices were strongly interrelated in teaching using GGB materials when compared to the interrelations in teaching without using GGB materials in a technology-enhanced classroom environment.
Subject Keywords
Mathematics
,
Algebra
,
Mathematics teachers
,
Mathematics teachers
,
Computer-assisted instruction.
,
Intelligent tutoring systems.
,
Teaching
URI
http://etd.lib.metu.edu.tr/upload/12621616/index.pdf
https://hdl.handle.net/11511/26996
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Graduate School of Social Sciences, Thesis
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S. Yemen Karpuzcu, “Middle school mathematics teachers’ mathematical practices in teaching slope, linear equations, and graphs in technology enhanced classroom environment,” Ph.D. - Doctoral Program, Middle East Technical University, 2017.