I was excited to facilitate this workshop at RME 4 in Boulder on September 29, 2013. Even thought the title, abstract, and slide design is very similar to the ICME talk, a lot has changed in my thinking around our study of slope in 2012. In this workshop we looked deeply at a couple of tasks and explored how the context and representations used in the tasks mediated the reinvention process.
Below the abstract, there are links to the complete unit in editable form for teachers and others to use. Please download, modify, and use the tasks with your students!
Abstract:
Despite its foundational nature in
secondary and post-secondary mathematics, student understanding of slope is
often formulaic and underdeveloped. To explore how students learn slope in a
more robust way, we designed a curriculum for slope in which students
mathematize situations involving rates of change. We designed the curriculum using RME
principles, and tested and refined it in a design experiment. In this workshop,
participants will engage in activities from the curriculum and I will discuss
our design process. I will also discuss key findings, including how contexts
and representations mediated student learning of slope.
Resources:
- Download the complete unit to use in your classroom (34 MB .zip file; MS Word, MS PowerPoint, and a PDF reader are required to view and edit files)
- Download our presentation (8 MB PowerPoint file)
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