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Download full textPeña Acuña, Cristian Andrey; Rigo-Lemini, Mirela – North American Chapter of the International Group for the Psychology of Mathematics Education, 2020
The document presents a set of categories for the analysis of the conceptualization of the congruence of polygons--a central theme in school mathematics--and details the application of the analytical tools used, derived from Grounded Theory, in this construction. This set of categories is called 'Interpretive Model of the Conceptualization of…
Descriptors: Geometric Concepts, Plane Geometry, Concept Formation, Models
Direct linkMegan N. Cannon – ProQuest LLC, 2021
Young adolescents build notions of figures through experiences. When young adolescents begin middle school mathematics, they already have prior assumptions and conceptualizations about shapes (Herbst, Fujita, Halverscheid, & Weiss, 2017). Over years of experiences, interactions, and exposures with a particular concept, these students develop…
Descriptors: Middle School Students, Early Adolescents, Mathematical Concepts, Concept Formation
Grigoropoulos, Jenny E. – International Journal of Progressive Education, 2019
Business ethics is a highly discussed and debated subject in today's corporate and business world, as well as in educational and academic circles. There are certain parameters, which influence the extensive level and degree to which ethics has been analyzed by scholars and researchers in recent years, such as globalization, technology, intangible…
Descriptors: Foreign Countries, Middle School Students, Blindness, Concept Formation
Oxman, Victor; Stupel, Moshe – International Journal of Mathematical Education in Science and Technology, 2021
The present paper describes a dynamic investigation of polygons obtained by reflecting an arbitrary point located inside or outside a given polygon through the midpoints of its sides. The activity was based on hypothesizing on the shape of the reflection polygon that would be obtained, testing the hypotheses using dynamic software, and finding a…
Descriptors: Mathematics Instruction, Preservice Teachers, Preservice Teacher Education, Geometric Concepts
Horzum, Tugba; Arikan, Ahmet – International Journal of Progressive Education, 2019
This study investigated the concept images of blind students about the polygon concept. For this purpose, four open-ended questions were asked to five blind middle school students. During the interviews, geometric shapes were presented with raised-line materials and blind students were given opportunities to construct geometric shapes with…
Descriptors: Foreign Countries, Middle School Students, Blindness, Students with Disabilities
Silfverberg, Harry; Joutsenlahti, Jorma – North American Chapter of the International Group for the Psychology of Mathematics Education, 2014
In our study, we looked for an answer to the research question "How prospective teachers comprehend the concept of a plane angle and what kind of variation there is between the conceptions? The study shows that the prospective teachers interpret the concept "plane angle" which in principle is familiar to everybody in many different…
Descriptors: Preservice Teachers, Student Attitudes, Knowledge Level, Plane Geometry
