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Pythagoras 68, December 2008

  1. Editorial
    Pythagoras is going places ...

    Alwyn Olivier

  2. Mathematics as a Social Construct: Teaching Mathematics in Context
    Hayley Barnes, Elsie Venter

  3. The Potential of Teacher Development with Geometer's Sketchpad
    Gerrit Stols, Andile Mji, Dirk Wessels

  4. A Case Study of the Development of In-service Teachers' Concept Images of the Derivative
    Botshiwe Likwambe, Iben Maj Christiansen

  5. Generalizing the Nagel line to Circumscribed Polygons by Analogy and Constructive Defining
    Michael de Villiers

  6. A Snapshot in Time: Beliefs and practices of a pre-service mathematics teacher through the lens of changing contexts and situations
    Lyn Webb, Paul Webb

  7. Collaborative Learning in a Multilingual Class
    Deonarain Brijlall

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