Pythagoras 68, December 2008
- Editorial
Pythagoras is going places ...
Alwyn Olivier
- Mathematics as a Social Construct: Teaching Mathematics in Context
Hayley Barnes, Elsie Venter
- The Potential of Teacher Development with Geometer's Sketchpad
Gerrit Stols, Andile Mji, Dirk Wessels
- A Case Study of the Development of In-service Teachers' Concept Images of the Derivative
Botshiwe Likwambe, Iben Maj Christiansen
- Generalizing the Nagel line to Circumscribed Polygons by Analogy and Constructive Defining
Michael de Villiers
- 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
- Collaborative Learning in a Multilingual Class
Deonarain Brijlall
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