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Reality Based Test Tasks with Digital Tools at Lower Secondary

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Teaching Mathematical Modelling: Connecting to Research and Practice

Abstract

Some results of the German CASI-Project (Computer Algebra Systems used in lower secondary schools) in terms of test tasks with real life examples are described. The CASI-Project examines the long-term use of digital tools in mathematics teaching with Years 9 and 10 secondary students. Different tests were developed for special teaching units with digital tools. This contribution brings reality based test problems into focus. The different representations of functional relationships and especially the change between the representations graph and real situation. The resulting differences between students using handheld CAS-calculators, and control group students, using simple pocket calculators, are presented with a focus on test tasks about real situations.

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Author information

Authors and Affiliations

  1. Institute for Mathematics, Education and Information Technology Education, University of Münster, Fliednerstr. 21, 48149, Münster, Germany

    Gilbert Greefrath & Michael Rieß

Authors
  1. Gilbert Greefrath
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  2. Michael Rieß
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Correspondence to Gilbert Greefrath .

Editor information

Editors and Affiliations

  1. Education VIC | Faculty of Education, Australian Catholic University, Ballarat, Victoria, Australia

    Gloria Ann Stillman

  2. Faculty of Education, University of Hamburg, Hamburg, Germany

    Gabriele Kaiser

  3. Department of Mathematics, University of Kassel, Kassel, Germany

    Werner Blum

  4. Education VIC | Faculty of Education, Australian Catholic University, Melbourne, Victoria, Australia

    Jill P. Brown

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Greefrath, G., Rieß, M. (2013). Reality Based Test Tasks with Digital Tools at Lower Secondary. In: Stillman, G., Kaiser, G., Blum, W., Brown, J. (eds) Teaching Mathematical Modelling: Connecting to Research and Practice. International Perspectives on the Teaching and Learning of Mathematical Modelling. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6540-5_38

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