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Abstract This systematic literature review summarises research on geometry education published since 2013. It begins with a conceptualization of the geometry education using the didactic tetrahedron model. The PRISMA guidelines were used to search five databases, in addition to conference proceedings and journals. The keywords and abstracts from the articles were analyzed using the “Voyant Tool” that created a list of the frequencies of words and their possible relationships to each other. Based on this analysis, the articles were coded using the didactic tetrahedron model. This informed the development of codes that were analyzed to develop categories related to the process skills Arguing and Reasoning, Proving and Reasoning, Problem Solving, and Modeling; the content skills Plane Geometry, Spatial Geometry, and Measurement, including Area and Volume; concepts that include Assessment, Gamification and Computational Thinking; and finally Teaching Competencies and Teaching Theories. The results of this overview show trends and developments that should be considered in geometry research in the coming years.
Weigand et al. (Tue,) studied this question.
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