No abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir tingkat tinggi (Higher Order Thinking Skills/HOTS) siswa dalam menyelesaikan soal matematika model PISA berdasarkan indikator kemampuan mengevaluasi. Penelitian ini adalah penelitian kualitatif dengan teknik pengumpulan data yang digunakan yaitu dokumentasi, tes, dan wawancara. Hasil penelitian menunjukkan bahsa dari 30 siswa SMP Xaverius 1 Palembang yang telah menyelesaikan soal tersebut, sebanyak 73% kemampuan berpikir tingkat tinggi siswa dikategorikan kurang khususnya pada kemampuan mengevaluasi. Indikator mengevaluasi muncul jika siswa dapat menganalisis masalah dengan baik, memahami maksud pertanyaan dengan tepat, dan memberikan alasan/bukti yang sesuai. Berdasarkan analisis jawaban siswa dan hasil wawancara dapat dikatakan bahwa dari 30 siswa,  hanya 6% saja siswa dikategorikan telah mencapai tahap evaluasi dengan baik dalam menyelesaikan soal matematika model PISA.

Indonesia has a diversity of cultures that describes its local wisdom. Culture in certain groups of people or tribes accompanied by mathematical activities was known as ethnomathematics. Ethnomathematics was not realized by the local community because it did not equip with definitions, theorems, or formulas. Therefore, the discussion of ethnomathematics becomes very interesting because it will enrich the treasures of science and also at the same time, preserve culture. One of the cultures introduced in this study is the culture of the Suku Anak Dalam Society (SAD), Batanghari Regency, Jambi Province. The Suku Anak Dalam (SAD) society is a typical ethnic group in Jambi Province. They are classified as ethnic minorities, namely social groups that have weak strength so that they are unable to influence the social system of the people in their territory. However, the SAD society also has ethnomathematics activities that need to be introduced. This research is qualitative research with an ethnographic approach which was analyzed according to Creswell's steps and used ethnographic methods which aim to produce findings in the form of mathematical activities in the Suku Anak Dalam (SAD) Batanghari Regency, Jambi Province.

Penelitian ini bertujuan untuk mengembangkan soal matematika model PISA level 5 untuk program pengayaan siswa kelas VII yang valid dan praktis. Metode penelitian ini adalah penelitian pengembangan dengan tipe formative evaluation.Teknik pengumpulan data yang digunakan meliputi walk through, dokumentasi, wawancara, tes dan angket. Soal dinyatakan valid secara kualitatif oleh validator yang merupakan para pakar dan teman sejawat. Selain itu para pakar juga telah menyatakan bahwa perangkat soal telah praktis untuk digunakan siswa. Perangkat soal juga telah diujicobakan untuk melihat validitas dan reliabilitasnya secara kuantitatif.

Problem solving is an important part of learning mathematics, but the problem solving ability of students in Indonesia is still low. This study develops problem solving tasks in an Islamic context for junior high school students. Practicality was obtained through test questions on one-to-one and small groups of 22 (twenty two) students from several cities in Indonesia as well as analysis of student work results, questionnaires and interviews. The results of data analysis indicate that practicality Islamic context problem tasks have been obtained and have high validity and reliability so that the questions are feasible to use.