Abstract
Cognitively demanding tasks have been shown to support students’ understanding of mathematics. How a task is launched, or introduced, determines how students engage with the task, as well as the type of work the teacher engages in during the task implementation. The authors designed a unit focused on launching a task where prospective teachers (PSTs) planned and enacted a task launch as part of their methods of teaching secondary mathematics courses. Participants in the study spanned three institutions. Using a curricular noticing framework, this paper describes how the prospective teachers (PSTs) interpreted their task by identifying key contextual features, mathematical relationships, and common language, and then focuses on how they responded to their interpretations as they planned to elicit and develop their students’ understanding of those key aspects. This paper also describes how the PSTs responded to their interpretations in planning to maintain the cognitive demand of the task. Findings suggest that the prospective teachers valued student-centered approaches and used a range of pedagogical methods to launch cognitively demanding tasks. We also found the prospective teachers needed support identifying context in tasks and in determining how much to tell while maintaining the cognitive demand of the task. We conclude with implications and suggestions for methods courses on both launching a cognitively demanding task and on teaching practices more generally.
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Notes
One task, the Toothpick Task, had limited contextual features.
The sum for instances of specific (n = 28) and non-specific (n = 11) questioning does not add to 34 instances because in some cases, PSTs plans included both specific and non-specific questioning for a particular aspect.
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Parrish, C.W., Snider, R.B. & Creager, M.A. Investigating how secondary prospective teachers plan to launch cognitively demanding tasks. J Math Teacher Educ 26, 395–423 (2023). https://doi.org/10.1007/s10857-022-09534-7
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DOI: https://doi.org/10.1007/s10857-022-09534-7