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Download full textAydin, Abdullah; Aytekin, Cahit – International Education Studies, 2018
It has been determined that the drawings, photographs and pictures related to the subject of the continuity of the tangent function on page 68 of the Ministry of National Education's twelfth-grade mathematics textbook contradict principles 1, 7 and 10 of Yanpar's (2007) teaching material development principles. According to these principles,…
Descriptors: Material Development, Instructional Materials, Educational Principles, Design Requirements
