Covariational reasoning has been the focus of many studies but only a few looked into this reasoning in the polar coordinate system. In fact, research on student's familiarity with polar coordinates and graphing in the polar coordinate system is scarce. This paper examines the challenges that students face when plotting polar curves using the…

Many university undergraduates consider writing assignments an overwhelming requirement. Traditional instructions rarely provide students with clear directions of how to use the Internet to search for authentic material and complete a task. The aim of this study was to scaffold the competence of EFL university students in writing an informative…