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Karen Hollebrands

Researcher at North Carolina State University

Publications -  49
Citations -  1090

Karen Hollebrands is an academic researcher from North Carolina State University. The author has contributed to research in topics: Educational technology & Teaching method. The author has an hindex of 14, co-authored 48 publications receiving 933 citations.

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The Role of a Dynamic Software Program for Geometry in the Strategies High School Mathematics Students Employ

TL;DR: This paper investigated the ways in which the Geometer's Sketchpad mediated the understandings that high school Honors Geometry students developed about geometric transformations by focusing on their uses of technological affordances and how they interpreted technological results in terms of figure and drawing.
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High school students’ understandings of geometric transformations in the context of a technological environment

TL;DR: The authors investigated the nature of students' understandings of geometric transformations, which included translations, reflections, rotations, and dilations, in the context of the technological tool, The Geometer's Sketchpad, and implemented a seven-week instructional unit on geometric transformations within an Honors Geometry class.
Journal Article

Preparing to Teach Mathematics With Technology: An Integrated Approach to Developing Technological Pedagogical Content Knowledge

TL;DR: Examples from teacher education materials that were developed using an approach that integrally develops teachers' understandings of content, technology, and pedagogy to prepare them to teach data analysis and probablity topics using specific technology tools are provided.
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Factors that influence secondary mathematics teachers' integration of technology in mathematics lessons

TL;DR: It is suggested that when considering how to infuse technology into teacher education programs it is important to focus more broadly on types of tools, ways teachers can position them, and how particular activities align with specific mathematics learning objectives.