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Gagatsis, Athanasios; Panaoura, Areti – International Journal of Mathematical Education in Science and Technology, 2014
The study aimed to investigate students' conceptions on the notion of absolute value and their abilities in applying the specific notion in routine and non-routine situations. A questionnaire was constructed and administered to 17-year-old students. Data were analysed using the hierarchical clustering of variables and the implicative method, while…
Descriptors: Mathematics Instruction, Mathematical Concepts, Questionnaires, Mathematical Logic
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Panaoura, Areti – International Journal of Mathematical Education in Science and Technology, 2014
Self-efficacy beliefs in mathematics, as a dimension of the affective domain, are related with students' performance on solving tasks and mainly on overcoming cognitive obstacles. The present study investigated the interrelations of cognitive performance on geometry and young students' self-efficacy beliefs about using representations for solving…
Descriptors: Geometry, Self Efficacy, Mathematics Achievement, Problem Solving
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Konstantinou-Katzi, Panagiota; Tsolaki, Eleni; Meletiou-Mavrotheris, Maria; Koutselini, Mary – International Journal of Mathematical Education in Science and Technology, 2013
Diversity and differentiation within our classrooms, at all levels of education, is nowadays a fact. It has been one of the biggest challenges for educators to respond to the needs of all students in such a mixed-ability classroom. Teachers' inability to deal with students with different levels of readiness in a different way leads to school…
Descriptors: Mathematics Instruction, College Mathematics, Individualized Instruction, Calculus
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Modestou, Modestina; Elia, Iliada; Gagatsis, Athanasios; Spanoudis, Giorgos – International Journal of Mathematical Education in Science and Technology, 2008
In this study, we attempt to put in question students' spontaneous and uncritical application of the simple and neat mathematical formula of linearity. This is impelled with the help of a written test involving geometrical problems, which is based on an original experimental setting. In this setting, grade 9 and 10 students were instructed first…
Descriptors: Foreign Countries, Grade 9, Grade 10, Mathematical Concepts