Austrian Center for Didactics of Computer Algebra

Computers and Calculators as Pedagogical Instruments: The Scaffolding Method Revisited

Abstract:

We develop a two level framework for understanding, categorizing, and planning the use of technology in teaching and learning. At the first level we distinguish between the two basic uses of automation and compensation. At the second level we discuss the four applications as pedagogical tools for trivialization, experimentation, visualization, and concentration. Based on this framework we develop the scaffolding method as a pedagogically justified sequence of using and not using technology to achieve a given teaching goal. We demonstrate the method with two examples: Teaching the solving of linear equations and teaching the solving of systems of linear equations. Finally we discuss the implication of technology to assessment.

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