Reasoning competency and the link between geogebra and original mathematics sources

This poster presents an in-progress PhD study concerning how middle school students (10 to 12 years old) can combine the study of original mathematical sources with a geometrical content and work within dynamic geometry environments in ways that support the development of their mathematical reasoning competency. The study focuses on the students’ mathematical argumentations and proofs from an epistemic point of view when using digital tools.


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