Original Research

From ‘proofs without words’ to ‘proofs that explain’ in secondary mathematics

M. Faaiz Gierdien
Pythagoras | Issue 65 | a92 | DOI: https://doi.org/10.4102/pythagoras.v0i65.92 | © 2007 M. Faaiz Gierdien | This work is licensed under CC Attribution 4.0
Submitted: 14 October 2007 | Published: 14 October 2007

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M. Faaiz Gierdien, Stellenbosch University, South Africa

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