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Gök, Mustafa; Erdogan, Abdulkadir; Erdogan, Emel Özdemir – International Journal of Instruction, 2019
In the historical process, scientific knowledge is constantly changing and developing. Concepts in curricula and textbooks are also affected by these changes and developments. The function concept is a typical example of this situation. The concept of function gained different meanings in different historical contexts although no clear information…
Descriptors: Foreign Countries, Mathematical Concepts, Mathematics Curriculum, Textbook Content