ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN MASALAH KONTEKSTUAL TRIGONOMETRI DENGAN METODE NEWMAN DITINJAU DARI KEMAMPUAN AWAL MATEMATIS SISWA
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Key words: Student errors, contextual problems, Newman method, student ability categoriesAbstract
This research is based on low problem solving abilities where students think that trigonometry material is more abstract compared to other material. So, there is a need for contextual learning, namely learning that is linked to everyday life. Qualitative descriptive aims to analyze students' errors in solving contextual trigonometry problems using the Newman method. The subjects in this research were one of the X Islamic Senior High School State Classes in East Lombok, totaling 34 students. The instruments used were tests and interview guides with stages of data reduction, data presentation and drawing conclusions. The results of the research show that: (1) subjects with very high initial mathematical abilities and high levels of error at the stage process skill and encoding. The difference between the two lies in the causal factor, namely if subjects with very high initial mathematical abilities make mistakes in calculations while subjects with high initial mathematical abilities make mistakes in understanding concepts. (2) Subjects with initial mathematical abilities are making mistakes at this stage comperehension, process skill and encoding. (3) Subjects with low initial mathematical abilities make mistakes at stage comperehension, transformation, process skill and encoding.Downloads
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