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Mhlolo, Michael Kainose; Schafer, Marc – South African Journal of Education, 2013
This article reports on regularities observed in learners' preconceptions of reflective symmetry. Literature suggests that the very existence of such regularities indicates a gap between what learners know and what they need to know. Such a gap inhibits further understanding and application, and hence needed to be investigated. A total of 235…
Descriptors: High School Students, Grade 11, Geometry, Secondary School Mathematics