Mathematics discourse in instruction during functions lessons in grade 10 rural classrooms
DOI:
https://doi.org/10.38140/ijrcs-2024.vol6.05Keywords:
Functions lessons, mathematics discourse, mathematics instruction, rural teachingAbstract
Despite the global significance of functions in mathematics education, there has been limited research on how South African rural teachers address specific mathematical concepts related to functions. This qualitative multiple case study, conducted within a post-structural paradigm, delved into the discourses of Grade 10 teachers during functions lessons in rural classrooms. The study focused on the teaching of mathematical concepts related to functions and involved five mathematics teachers from rural school sites in Acornhoek, Mpumalanga Province, South Africa. These teachers were selected based on their experience in teaching mathematics. The research employed semi-structured interviews, unstructured classroom observations, and Video-Stimulated Recall Interviews with all five teachers. By narrowing the focus to one teacher's lesson, this paper analyses the presentation of functions concepts using the Mathematical Discourse in Instruction (MDI) framework. The study revealed that clear teaching materials and learner-engaging instructional methods enable meaningful engagement and concept internalisation. Through the visible use of the components of the MDI framework, the teacher successfully engaged learners, clarified misconceptions, and encouraged learners' participation, ultimately enhancing the coherence and understanding of mathematical concepts related to functions in the Grade 10 classroom.
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