The generation and use of graphical examples in calculus classrooms: The case of the mean value theorem |
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Institution: | 1. Department of Mathematics, West Virginia University, P.O. Box 6310, Morgantown, WV 26506, USA;2. Department of Curriculum & Instruction/Literacy Studies, West Virginia University, P.O. Box 6122, Morgantown, WV 26506, USA |
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Abstract: | We analyzed video data of five instructors teaching the Mean Value Theorem (MVT) in a first-semester calculus course as part of a broader project investigating how active learning strategies were being implemented and supported in calculus courses. We sought to identify the ways examples of functions that did or did not satisfy the conclusion of MVT were generated and used in instruction. Using thematic analysis, we identified four themes that serve as characterizations of examples, which then allowed for the analysis of trends and patterns. We propose that attention to the generation and use of examples serves as one lens for considering how students can be engaged in the mathematical activity of the classroom, with implications for learning. This work contributes to an evolving notion of what is entailed in students’ active learning of mathematics and the role of the instructor in facilitating active learning opportunities. |
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Keywords: | Example space Calculus Mean value theorem Active learning Graphical representations |
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