AN ANALYSIS OF TEACHER COMPETENCES IN A PROBLEM-CENTRED APPROACH TO DYNAMIC GEOMETRY TEACHING. by MDUTSHEKELWA NDLOVU submitted in part fulfillment of the requirements for the degree of MASTER OF EDUCATION with specialization in MATHEMATICS EDUCATION at the UNIVERSITY OF SOUTH AFRICA Supervisor: Professor DCJ Wessels, UNISA Joint Supervisor: Professor Michael D de Villiers, UKZN NOVEMBER 2004 brought to you by CORE View metadata, citation and similar papers at core.ac.uk provided by Unisa Institutional Repository