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The object-tool duality in mathematical modelling. A framework to analyze students appropriation of Sankey diagrams to model dynamic processes
Univ Agder, Norway.
Linköping University, Department of Mathematics, Mathematics and Applied Mathematics. Linköping University, Faculty of Educational Sciences.
2020 (English)In: AVANCES DE INVESTIGACION EN EDUCACION MATEMATICA, ISSN 2254-4313, no 17, p. 52-66Article in journal (Refereed) Published
Abstract [en]

Students often do not experience the relevance of learning mathematics. This paper reports on an exploratory case study, in which a class of grade 8 students (n=35) was introduced to Sankey diagrams. The aim was to explore to what extent these students could appropriate Sankey diagrams, meaning: they could describe these as objects in themselves and they could use them to model and visualize phenomena relevant to them. Based on Cultural-Historical Activity Theory, we developed an analytical construct defined as the object-tool duality, coordinating mathematics as a set of objects and as a set of tools. The analysis of students answers showed that they could use these diagrams as tools to visualize phenomena. When asked to describe the object, all mentioned the tool-side. So, in their appropriation the tool-side came before the object-side. Our contribution is that teaching the tool-side of mathematics before the object-side may increase students sense of the relevance of mathematics, which is a topic to develop for future research.

Abstract [es]

A menudo los estudiantes no perciben la relevancia de las matemáticas y de su aprendizaje. Esteartículo presenta un análisis exploratorio de un caso de estudio, en el cual se introducen los diagramasde Sankey para estudiantes de octavo grado. El objetivo fue explorar hasta qué punto estos estudiantesse apropiaron de los diagramas Sankey, es decir, si los describían como objetos en sí mismos y si erancapaces de utilizarlos para modelizar y visualizar fenómenos relevantes para ellos. Con base en laTeoría Cultural-Histórica de la Actividad, desarrollamos un constructo analítico definido como ladualidad objeto-herramienta, que coordinan las matemáticas como conjunto de objetos y conjunto deherramientas. El análisis de respuestas de los estudiantes mostró cómo usaron estos diagramas a modode herramientas para visualizar ciertos fenómenos. Cuando se les pidió que describieran el objeto,todos mencionaron los aspectos como herramienta. Así, en su proceso de apropiación la interpretacióncomo herramienta se antepuso a la de objeto. Nuestra contribución es que el trabajo con la vertienteherramienta de las matemáticas antes que con la de objeto puede aumentar la relevancia que losestudiantes dan a las matemáticas, resultando ser una línea a desarrollar en futuras investigaciones. 

Place, publisher, year, edition, pages
SOC ESPANOLA INVESTIGACION & EDUCACION MATEMATICA-SEIM , 2020. no 17, p. 52-66
Keywords [en]
Appropriation; mathematical modelling; object-tool duality; relevance (of mathematics); Sankey diagrams
Keywords [es]
Apropiación; diagramas Sankey; dualidad objeto-herramienta; modelización matemática; relevancia (de la matemática)
National Category
Other Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-174041DOI: 10.35763/aiem.v0i17.305ISI: 000530915400005OAI: oai:DiVA.org:liu-174041DiVA, id: diva2:1537722
Available from: 2021-03-16 Created: 2021-03-16 Last updated: 2021-03-16

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Output format
  • html
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