The aim of this research is to describe profile of problem solving ability of secondary students with high mathematical ability in learning based on realistic mathematics supported by ethnomathematics. This study is descriptive qualitative reasearch. The method of data collection used in this study are written test and interview. Subject of this study is secondary students on class VIIIA SMPN 37 Semarang. The data analysed in this study is problem solving ability which is suitable to problem solving ability of Polya and result of an interview to research subject. The result of this study is profile of problem solving ability of the high mathematical ability student is very good. The student problem solving ability starting from understanding the problem completely and make good planning to solve the problem, then he can do the correct process and produce the right answer. In addition, he could look back the process but still uncomplete yet. Furthermore, hopefully this result will help the teacher in choosing the appropriate strategy or instructional approach in order to improve the students problem solving ability.
The study aims to describe the understanding of group concepts in prospective mathematics teacher with high mathematical abilities. This research is a descriptive qualitative research, with a research subject is a prospective mathematics teacher who have taken group theory courses. The subjects were selected according to the criteria of having high mathematical abilities based on mathematical ability tests, having good communication skills and being able to explain. Data collection was carried out through providing group concept understanding tests followed by interviews. Written tests and interviews were conducted twice for the purposes of triangulating data through time triangulation. Regarding to the discussion section, it can be summarized that subjects with high mathematical abilities can define and show a group fulfilling the traits in detail.
Penelitian ini bertujuan untuk mengetahui profil kemampuan berpikir kreatif siswa dalam memecahkan masalah matematika pada materi SPLTV ditinjau dari gaya kognitif reflektif dan impulsif. Penelitian ini merupakan jenis penelitian kualitatif deskriptif. Penelitian dilakukan di SMA Negeri 1 Juwana. Subjek penelitian adalah siswa kelas X MIPA 5. Subjek penelitian dipilih berdasarkan hasil tes gaya kognitif yaitu 1 siswa dengan gaya kognitif reflektif dan 1 siswa dengan gaya kognitif impulsif. Selain dari hasil tes gaya kognitif, subjek dipilih berdasarkan saran dari guru pengampu matematika dan siswa telah memperoleh materi-materi SPLTV. Instrumen yang digunakan dalam penelitian ini yaitu tes MFFT (Matching Familiar Figure Test), tes pemecahan masalah untuk memunculkan berpikir kreatif, dan pedoman wawancara. Keabsahan data menggunakan triangulasi sumber, artinya membandingkan hasil informasi yang diperoleh melalui sumber yang berbeda. Hasil tes dan wawancara yang dihasilkan antara lain 1) siswa dengan gaya kognitif reflektif memenuhi 3 indikator kemampuan berpikir kreatif yaitu kefasihan (fluency) yang ditandai dengan kemampuan memahami masalah dan dapat membuat rencana penyelesaian masalah, fleksibilitas (flexibility) ditandai dengan kemampuan melaksanakan penyelesaian, dan kebaruan (novelty) ditandai dengan kemampuan menguji kembali jawaban yang diperoleh, 2) siswa dengan gaya kognitif impulsif hanya memenuhi 2 indikator kemampuan berpikir kreatif yaitu kefasihan (fluency) yang ditandai dengan kemampuan memahami masalah dan dapat membuat rencana penyelesaian masalah, dan indikator fleksibilitas (flexibility) ditandai dengan kemampuan melaksanakan penyelesaian.
This research is intended to describe the students concept of the ring in the course of algebra structure 2 in terms of creative thinking in upper students. This research is included in this type of qualitative research. The subject of the study is a mathematics student who has taken the course of Structure Algebra 2 (Ring Theory). The subjects in this study are three students who have high math skills. Instrument used in research 1) Test of Concept of Ring Concept (TPKR), 2) Interview Guidelines, 3) Creative Thinking Rubric, 4) Recording Equipment, 5) Documentation. Based on the results of the study and discussion, the findings involving the students' concept of the ring in the course of algebraic structure 2 in the upper sstudent can solve the problem in terms of explaining the associative nature, explaining the nature of the identity element, explaining the nature of each element having a good inverse. However, I can not only use one solution only, but it is less diverging and able to find other solutions. At the student level still not able to meet the original indicators in creative thinking
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