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Students’ emerging models of average rate of change in context
Syracuse University, NY, USA .
Syracuse University, NY, USA .
Syracuse University, NY, USA .
2013 (English)In: Proceedings of the 8th Congress of European Research in Mathematics Education (CERME 8), 2013Conference paper, Published paper (Refereed)
Abstract [en]

This paper describes a model application activity in the context of how light intensity varies depending on the distance from a point light source within a model development sequence focusing on developing students’ understanding of average rate of change. Students’ early models were found to be linearly decreasing functions and they did not distinguish between the light intensity and changes in light intensity. Most students were able to draw on several representations (most notably tables and graphs) to represent, describe and distinguish between the light intensity and changes in light intensity. Some students encountered difficulties when describing change when the rates were negative and understanding how the graphical representation of average rates of change depended on the interval width

Place, publisher, year, edition, pages
2013.
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Identifiers
URN: urn:nbn:se:liu:diva-105260OAI: oai:DiVA.org:liu-105260DiVA: diva2:705049
Conference
8th Congress of European Research in Mathematics Education(CERME 8), 6-10 February 2013, Antalya, Turkey
Available from: 2014-03-14 Created: 2014-03-14 Last updated: 2014-03-24

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Bergman Ärlebäck, Jonas

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