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Niroj Dahal; Binod Prasad Pant; Bal Chandra Luitel; Basanta Raj Lamichhane; Tara Paudel – Online Submission, 2024
This research explores two methods through which ten preservice math teachers develop an understanding of trigonometric values. Using the unit circle, preservice math teachers engage in knowledge-building activities such as paper folding and GeoGebra application. Grounded in Altman and Kidron's 2016 didactical design research, this study examines…
Descriptors: Trigonometry, Mathematics Instruction, Preservice Teachers, Mathematics Teachers
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Urhan, Selin; Dost, Senol – International Journal of Science and Mathematics Education, 2018
Model-eliciting activities are problem-solving activities that differ from traditional problems as they include non-routine, open-ended, and complicated real-life situations with various solutions (Lesh & Doerr, 2003). According to Lesh, Hoover, Hole, Kelly and Post (2000), a model-eliciting activity must follow certain principles, namely, the…
Descriptors: Grade 9, Mathematics Instruction, Models, Generalization