This study aims to determine the ability of algebra students who have 3 levels van Hiele levels. Follow its framework Dindyal framework (2007). Students are required to do 10 algebra shaped multiple choice, then students work 15 about the geometry of the van Hiele level in the form of multiple choice questions. The question has been tested levels of validity and reliability. After learning abilities and levels van Hiele algebra, students were asked to answer two questions descriptions to determine the ability of students in answering the question of algebraic geometry punctuated by interviews. From this study illustrated that students who have achieved level 3 van Hiele able to properly solve problems of algebraic geometry in the content by utilizing the deduction reasoning thinking skills to build the structure geometry in an axiomatic system in solving the problems faced. Teachers play an important role in pushing the speed students through a higher level of thinking through the right exercises. Suggestions for further research can develop on different topics but still within the context of algebraic geometry.
This research aims to create an e-comic mathematics based on Science, Technology, Engineering, Arts, and Mathematics – Caring Community (STEAM-CC) concept as well as to know its effect on the students’ creative thinking ability. Creative thinking is heavily influenced by approaching the students’ during the teaching and learning process. Moreover, it can be done through conducting small group students as a medium to collaborate, learn, and care each other along Caring Community (CC) in Lesson Study for Learning Community (LSLC). This study was used mixed method, 4D development method by Thiagarajan and experimental researcch. The result of this study showed that the developed e-comic was valid according to the material and media experts, while STEAM-CC concept was effective and practical way by looking at the students were able to achieve the standard minimun score on the test and observation. This research also found that the media can effect the studens’ creative thinking ability.
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