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Smith, Charles Raymond; Julie, Cyril; Gierdien, Faaiz – South African Journal of Education, 2020
In this article we examine the nature of inter-semiotic and intermodal construction in the exposition of a solution for a geometry rider. In the tradition of hermeneutic phenomenology, this case study involved an exploration of the oral discourse and visual texts used in a mathematics lesson. This research was intended to contribute to the…
Descriptors: Semiotics, Geography, Mathematics Instruction, Case Studies
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Kazima, Mercy; Pillay, Vasen; Adler, Jill – South African Journal of Education, 2008
We report on two case studies in which we investigated mathematics for teaching. We were interested in the mathematical knowledge teachers need to know, and know how to use, in order to teach mathematics well. The two case studies focused on the teaching of probability in Grade 8 and the teaching of functions in Grade 10. We discuss the…
Descriptors: Mathematics Instruction, Case Studies, Probability, Grade 8