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Download full textGenc, Murat; Ergan, Semra – Acta Didactica Napocensia, 2022
This paper aims to discuss the use of Brousseau's Theory of Didactical Situations in mathematics (TDS) for eighth-graders to explore the concept of triangle inequality in Euclidean geometry. Data sources included observation notes, video recordings of lessons, and students' written work. Data analysis was done through a deductive content analysis…
Descriptors: Geometry, Mathematics Instruction, Video Technology, Grade 8
