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Direct linkKouki, Rahim; Griffiths, Barry J. – African Journal of Research in Mathematics, Science and Technology Education, 2021
In this article we present the results of an investigation into semiotic aspects of an introductory differential equations class from two countries. In order to perform a comparative analysis, students in the USA and Tunisia were given common questions on their midterm exams that examined analytical and graphical competencies. Our results indicate…
Descriptors: Semiotics, Calculus, Algebra, Graphs
Nitsch, Renate; Fredebohm, Anneke; Bruder, Regina; Kelava, Augustin; Naccarella, Dominik; Leuders, Timo; Wirtz, Markus – International Journal of Science and Mathematics Education, 2015
In the subject matter of functional relationships, a student's ability to translate from one form of representation to another is seen as a central competence. In the course of the HEUREKO project (heuristic work with representations of functional relationships and the diagnosis of mathematical competencies of students), a theoretical competence…
Descriptors: Mathematics Instruction, Secondary School Mathematics, Mathematical Concepts, Mathematics Skills
Izsak, Andrew; Caglayan, Gunhan; Olive, John – Journal of the Learning Sciences, 2009
We describe how 1 Algebra I teacher and her 8th-grade students used meta-representational knowledge when generating and evaluating equations to solve word problems. Analyzing data from a sequence of 4 lessons, we found that the teacher and her students used criteria for evaluating equations, in addition to other types of knowledge (e.g., different…
Descriptors: Word Problems (Mathematics), Equations (Mathematics), Algebra, Mathematics Instruction
