2014
DOI: 10.1007/s10758-014-9213-9
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A Model for Task Design with Focus on Exploration, Explanation, and Generalization in a Dynamic Geometry Environment

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Cited by 21 publications
(11 citation statements)
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“…In this article, the mathematics tasks designed by teachers were analyzed through the lens of Dynamic Geometry Tasks Analysis Framework (Trocki & Hollebrands, 2018). There are other frameworks proposed by mathematics education researchers (e.g., Fahlgren & Brunström, 2014;Gustafsson, 2016;Leung, 2017) to examine the quality of DigiTech mathematics tasks. We decided to use the framework from Trocki and Hollebrands (2018) since it is specific to the tasks created from dynamic geometry software such as GeoGebra and relating mathematical dept with technological actions.…”
Section: Digitech Tpdmentioning
confidence: 99%
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“…In this article, the mathematics tasks designed by teachers were analyzed through the lens of Dynamic Geometry Tasks Analysis Framework (Trocki & Hollebrands, 2018). There are other frameworks proposed by mathematics education researchers (e.g., Fahlgren & Brunström, 2014;Gustafsson, 2016;Leung, 2017) to examine the quality of DigiTech mathematics tasks. We decided to use the framework from Trocki and Hollebrands (2018) since it is specific to the tasks created from dynamic geometry software such as GeoGebra and relating mathematical dept with technological actions.…”
Section: Digitech Tpdmentioning
confidence: 99%
“…In this article, we present the theories which relate to design of the task and classroom orchestration. For the first case, there are three proposed frameworks: (1) epsitemic model of task design in dynamic geometry environment (Leung, 2011) which he revised to Mathematics Digital Task Design Knowledge (Leung, 2017); (2) a model of task design which focus on exploration, explanation and generalization (Fahlgren & Brunström, 2014); and (3) Dynamic Geometry Tasks Analysis Framework (Trocki & Hollebrands, 2018). For the second case, instrumental orchestration and structuring features of classroom practices (Bozkurt & Ruthven, 2015;Ruthven, 2009) have used to examine how mathematics teachers orchestrate technology-rich mathematics teachings.…”
Section: Table 2 Coding Summary Of Group Digitech Mathematics Tasksmentioning
confidence: 99%
“…Indeed, a few researchers have explicated task design principles/models for particular aspects of proof-related activity (e.g. Fahlgren & Brunström, 2014;Leung, 2011). For example, Prusak, Hershkowitz and Schwarz (2012), in aiming at leading pre-service teachers to engage in productive peer argumentation, proposed three principles for task design: creating a situation of conflict, creating a collaborative situation, and providing tools for raising and checking hypotheses.…”
Section: Task Design With Dgementioning
confidence: 99%
“…Both Fahlgren and Brunström (2014) and Leung (2011) propose models for the design of tasks that foster students to make generalizations by capitalising on the drag-mode within DGEs. Meanwhile, Trgalova et al (2011) showed how the idea of involving teachers in evaluating the quality of tasks is a "promising way of stimulating the use of dynamic geometry in classrooms" provided that teachers "benefit from support to make the quality pro-cess their own" (p. 337).…”
Section: Task Design With Technologiesmentioning
confidence: 99%