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,…

This paper presents a genre-based conceptual framework for designing content for learning objects. Some content aggregation models are reviewed in order to stress the lack of such an approach. In this framework, learning objects are considered as multimodal macrogenres. These macrogenres are constituted of content objects which in fact are several…