A survey of South African grade 10 learners' geometric thinking levels in terms of the Van Hiele theory

JK Alex, KJ Mammen - The Anthropologist, 2012 - Taylor & Francis
The main thesis of the van Hiele theory is that childrens' understanding of geometric
concepts can be classified into a sequence of five hierarchical thinking levels, with levels 1 …

[PDF][PDF] A Survey of South African Grade 10 Learners' Geometric Thinking Levels in Terms of the Van Hiele Theory

JK Alex, KJ Mammen - Anthropologist, 2012 - researchgate.net
The main thesis of the van Hiele theory is that childrens' understanding of geometric
concepts can be classified into a sequence of five hierarchical thinking levels, with levels 1 …