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van Zyl, Sukie; Mentz, Elsa; Havenga, Marietjie – African Journal of Research in Mathematics, Science and Technology Education, 2016
As part of curriculum changes in South Africa, an introductory programming language, Scratch, must first be taught before switching to the well-established teaching of Delphi. The nature of programming in Scratch is considerably different from that in Delphi. It was assumed that the teaching of Scratch as introductory programming language could…
Descriptors: Foreign Countries, Programming Languages, Teaching Methods, Guidelines
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Sanders, Ian; Scholtz, Tamarisk – African Journal of Research in Mathematics, Science and Technology Education, 2012
Recursion is an important concept for any computer science student to master. Many first year students develop the viable "copies" mental model of recursion and can successfully trace the execution of a simple recursive function. This article discusses a study focused on determining whether the ability to successfully trace a recursive…
Descriptors: Mathematics, Mathematics Instruction, Computer Science, Mathematical Concepts