Abstract:The purpose of the research is to produce Student Worksheet based on Contextual Teaching and Learning (CTL) on the coordinate system material that meets the valid, practical, and effective criteria. This type of research is the research and development of Research and Development (R&D) with the ADDIE model proposed by Dick and Carry (1998), which consists of five stages of development namely Analysis, Design, Develop, Implementation, and Evaluation. The subjects in this study were 3 educators and 12 stude… Show more
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