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Mkhatshwa, Thembinkosi Peter – International Journal of Mathematical Education in Science and Technology, 2023
This paper extends work in the areas of quantitative reasoning and covariational reasoning at the undergraduate level. Task-based interviews were used to examine third-semester calculus students' reasoning about partial derivatives in five tasks, two of which are situated in a mathematics context. The other three tasks are situated in real-world…
Descriptors: Undergraduate Students, Thinking Skills, Abstract Reasoning, Logical Thinking
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Mkhatshwa, Thembinkosi P. – International Journal of Mathematical Education in Science and Technology, 2019
A relative extrema optimization problem is one in which the domain of the objective function (i.e. the function whose maximum or minimum value is to be found) is an open interval. An absolute extrema optimization problem is one in which the domain of the objective function is a closed interval. Analysis of task-based interviews conducted with 12…
Descriptors: Mathematics Instruction, Calculus, Mathematical Logic, Thinking Skills
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Peled, Irit; Keisar, Einav – International Journal of Mathematical Education in Science and Technology, 2015
In this action research, first-graders were challenged to cope with a sequence of modelling tasks involving an analysis of given situations and choices of mathematical tools. In the course of the sequence, they underwent a change in the nature of their problem-solving processes and developed modelling competencies. Moreover, during the task…
Descriptors: Coping, Task Analysis, Tables (Data), Grade 1
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Hong, Dae S. – International Journal of Mathematical Education in Science and Technology, 2011
In its mathematics standards, National Council of Teachers of Mathematics (NCTM) states that problem solving is an integral part of all mathematics learning and exposure to problem solving strategies should be embedded across the curriculum. Furthermore, by high school, students should be able to use, decide and invent a wide range of strategies.…
Descriptors: Mathematics Education, Testing, Problem Solving, Mathematics Teachers
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Talbi, Mohamed T. – International Journal of Mathematical Education in Science and Technology, 2003
This study deals with the demand of a task. A theoretical background shows the difficulty of applying the idea of demand (as established in the literature) to the data. This has been confirmed in the preliminary study of this paper, which deals with the analysis of university examinations. Some factors that affect the demand of a task have been…
Descriptors: Teacher Attitudes, Mathematics Anxiety, Mathematical Aptitude, Problem Solving