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Mutambara, Lillias; Bansilal, Sarah – African Journal of Research in Mathematics, Science and Technology Education, 2019
This exploratory study investigated 10 pre-service mathematics students' understanding of vector subspaces at a university in Zimbabwe. The study involved an in-depth document analysis of the students' written responses to five items based on the vector subspace concept. An APOS (Action--Process--Object--Schema) approach was used to identify the…
Descriptors: Preservice Teachers, Mathematics Teachers, Mathematical Concepts, Concept Formation
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Kazunga, Cathrine; Bansilal, Sarah – African Journal of Research in Mathematics, Science and Technology Education, 2016
Ratio and proportion have many daily life applications and hence form an important part of the Mathematical Literacy (ML) curriculum in South African schools. The purpose of this study was to explore ML teachers' application of ratio in an assessment task with multiple measure spaces set within the real-life context of the need to establish the…
Descriptors: Foreign Countries, Mathematics Instruction, Teaching Methods, Mathematical Concepts
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Mbonambi, Martin Sipho; Bansilal, Sarah – African Journal of Research in Mathematics, Science and Technology Education, 2014
The purpose of this study was to explore and compare the proficiency of Grade 11 Mathematics and Mathematical Literacy (ML) learners in solving two problems based on the temperature conversion formula. The first was a result-unknown problem that asks for the result of a formula for a given input. The second was a start-unknown problem in which the…
Descriptors: Foreign Countries, Grade 11, Secondary School Students, Mathematics Instruction