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Direct linkNitsch, 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
Buishaw, Alemayehu; Ayalew, Assaye – Educational Research and Reviews, 2013
This study sought to evaluate the adequacy of integration of problematic situations and general problem-solving strategies (heuristics) in grades 9 and 10 mathematics textbooks. Grade 9 and grade 10 mathematics textbooks were used for analysis. Document analysis and interview were used as data gathering instruments. Document analysis was carried…
Descriptors: Problem Solving, Grade 10, Grade 9, Textbook Evaluation
