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Download full textBrijlall, Deonarain; Ndlovu, Zanele – South African Journal of Education, 2013
This qualitative case study in a rural school in Umgungundlovu District in KwaZulu-Natal, South Africa, explored Grade 12 learners' mental constructions of mathematical knowledge during engagement with optimisation problems. Ten Grade 12 learners who do pure Mathemat-ics participated, and data were collected through structured activity sheets and…
Descriptors: Foreign Countries, High School Students, Problem Solving, Calculus
Direct linkDodick, Jeff; Orion, Nir – Science Education, 2003
There have been few discoveries in geology more important than "deep time"--the understanding that the universe has existed for countless millennia, such that man's existence is confined to the last milliseconds of the metaphorical geological clock. The influence of deep time is felt in a variety of sciences including geology, cosmology,…
Descriptors: Majors (Students), High School Students, Grade 11, Grade 12
