Van der Walt, Marthie S.; Maree, J.G. (Kobus); Ellis, Suria M.
(Suid Afrikaanse Akademie vir Wetenskap & Kuns, 2006-09)
South African learners' insufficient achievement in mathematics is a source of
great concern. This is especially the case since mathematics is regarded as a vital life skill in
the postmodern, technologically sophisticated ...