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Risnawati; Andrian, Dedek; Azmi, Memen Permata; Amir, Zubaidah; Nurdin, Erdawati – International Journal of Instruction, 2019
This research aimed to develop a definition maps-based plane geometry module to improve the student teachers' mathematical reasoning skills based on the level of Van Hiele. This development research was to produce a product in the form of a module at the college level. This research referred to the ADDIE model involving five stages, i.e. analyze,…
Descriptors: Mathematics Instruction, Plane Geometry, Student Teachers, Mathematics Skills
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Magajna, Zlatan – Center for Educational Policy Studies Journal, 2013
Proving in school geometry is not just about validating the truth of a claim. In the school setting, the main function of the proof is to convince someone that a claim is true by providing an explanation. Students consider proving to be difficult; in fact, they find the very concept of proof demanding. Proving a claim in planar geometry involves…
Descriptors: Secondary School Students, Secondary School Mathematics, Plane Geometry, Mathematical Logic