In mathematics learning, students’ critical thinking ability is required to understand and solve mathematics problems that require reasoning, analysis, evaluation, and interpretation. Therefore, to describe students’ critical thinking ability, research was conducted on 30 students (15/16 years old) in West Java, Indonesia. This research is qualitative descriptive research and the data collection technique is written test with 3 description questions about trigonometric problems. The test results were analyzed using three indicators of critical thinking ability, (1) composing questions with reasons, (2) identifying relevant and irrelevant data of a mathematical problem, and (3) solving mathematical problems with reasons. The results showed that: (1) almost one-third of the number of students can compile the questions with the reasons, (2) more than one-third of students can identify the relevant and irrelevant data of a mathematical problem, and (3) more than one-third of students can solve the mathematical problems with reasons. The average percentage of students in trigonometric problems is 31,86%. Based on the research result, it is seen that most students do not have good critical thinking ability in solving trigonometric problems.
Tujuan penelitian ini adalah untuk memperoleh deskripsi kemampuan berpikir kritis matematika siswa kelas VIII SMP Kristen Payeti dalam menyelesaikan soal cerita pada materi PLSV yang ditinjau dari gaya belajar auditorial dan untuk mengetahui faktor-faktor internal yang mempengaruhi kemampuan berpikir kritis. Penelitian ini adalah penelitian kualitatif dengan teknik pengumpulan data yang digunakan yaitu angket, tes, dan wawancara. Hasil penelitian menunjukan bahwa, dari 30 siswa yang diteliti, 7 orang siswa memiliki gaya belajar visual, 14 siswa memiliki gaya belajar auditorial, dan kinestetik 9 siswa. Dari hasil tes, siswa gaya belajar auditorial temasuk pada kategori rendah dengan nilai rata-rata 28,88. Faktor-faktor internal yang mempengaruhi kemampuan berpikir kritis meliputi, minat belajar, ketelitian, kemandirian belajar siswa, dan penguasaan materi.
This study aims to evaluate the implementation of an ideal online learning system that has been designed using the ADDIE model in the 3T (Front, Outermost, & Disadvantaged) area in East Sumba Regency. This research method uses descriptive qualitative. This research was conducted at SDI Waingapu 2 and SMP Negeri 1 Waingapu. The subjects of this study were teachers, students, parents, and principals of SDI Waingapu 2 and SMP Negeri 1 Waingapu, as well as the East Sumba Regency Office. Data collection techniques in this study used interviews, questionnaires, observation, and document studies. The data analysis technique is qualitative data analysis which includes data reduction, data presentation, and drawing conclusions. The results show that the Ideal Online Learning System for East Sumba Regency has been implemented by SDI Waingapu 2 and SMP Negeri 1 Waingapu following the Guidelines for the Ideal Distance Learning System in East Sumba Regency by the Education Office, both by students, teachers, parents, school principals, as well as the East Sumba District Education Office. However, obstacles still hinder the implementation of online learning, such as unstable internet connections and teacher skills in utilizing learning technology. The ideal online learning system that has been developed is then used as consideration for policymakers to improve the quality of education in East Sumba Regency as one of the Disadvantaged, Frontier, and Outermost regions.
Penguasaan konsep dan keterampilan aljabar menjadi salah satu tuntutan kurikulum Indonesia sejak beberapa dekade belakangan. Siswa pada tingkat sekolah menengah pertama maupun sekolah menengah atas diharapkan sudah mampu menguasai bahkan lancar menggunakan konsep aljabar. Sebagai pendidik, kita harus mengetahui kemampuan berpikir aljabar siswa. Oleh karena itu, tujuan penelitian ini adalah untuk memahami dan mendeskripsikan kemampuan berpikir aljabar siswa dalam menyelesaikan masalah berbasis kearifan lokal. Penelitian ini merupakan penelitian deskriptif kualitatif yang dilakukan pada siswa usia 12-17 tahun di Kecamatan Kambera, Kabupaten Sumba Timur. Hasil penelitian menunjukkan bahwa (1) komponen berpikir aljabar yang sering digunakan siswa dalam menyelesaikan masalah adalah kemampuan pemecahan masalah, kemampuan representasi matematis, dan kemampuan penalaran kuantitatif dan (2) level berpikir aljabar siswa adalah level 2. Berdasarkan hasil penelitian, terlihat bahwa meskipun ketiga jenis komponen berpikir aljabar digunakan dalam menyelesaikan masalah, ternyata level berpikir aljabar siswa masih rendah.
Kegiatan PkM berupa sosialisasi penggunaan alat peraga bagi guru serta siswa SMA/MA di Kabupaten Sumba Timur bertujuan untuk mendemonstrasikan penggunaan alat peraga, serta meningkat pemahaman guru maupun siswa terkait penggunaan alat peraga. Kegiatan ini diikuti oleh siswa dan guru yang berasal dari 14 sekolah di Kabupaten Sumba Timur. Pelaksanaan kegiatan PkM ini menggunakan beberapa metode yakni: ceramah terkait alat peraga, demonstrasi cara menggunakan alat peraga, dan diskusi terkait pemaparan materi alat peraga. Hasil dari kegiatan PkM ini adalah alat-alat peraga dapat didemonstrasikan dengan baik, dan peserta kegiatan memahami penggunaan alat peraga yang terlihat dari partisipasi peserta dalam menggunakan alat peraga dengan benar.
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