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Journal : Issues in Mathematics Education (IMED)

Analisis Penerapan Model Problem Based Learning Guru Matematika pada Kelas IX SMP Nurul Khariyyah; Muhammad Darwis M; Syahrullah Asyari
Issues in Mathematics Education (IMED) Vol 7, No 1 (2023): Maret
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/imed47551

Abstract

Penelitian ini adalah penelitian kualitatif deskriptif yang bertujuan untuk menganalisis penerapan model Problem Based Learning (PBL) guru matematika pada materi luas permukaan tabung. Subjek penelitian ini adalah satu orang yang dipilih secara purposif dari tiga orang guru matematika kelas IX SMP. Instrumen penelitian ini yakni peneliti sendiri, lembar observasi, pedoman wawancara, dan dokumentasi. Data dalam penelitian ini dianalisis dengan tiga tahap yakni kondensasi data, penyajian data, dan penarikan kesimpulan & verifikasi. Hasil penelitian menunjukkan bahwa guru sebagai subjek penelitian yang menerapkan model PBL di kelas tidak sepenuhnya sesuai dengan teori. Guru memberi perlakuan berbeda terhadap kedua kelas penelitian karena perbedaan kemampuan matematika siswa pada kedua kelas (ketidakadilan epistemik). Juga penerapan model PBL tidak berjalan sebagaimana mestinya dalam pembelajaran. Hal ini karena, di satu sisi masih kurangnya kemampuan siswa dalam memahami konteks masalah yang diberikan oleh guru. Di lain sisi, guru masih terbiasa dengan pembelajaran secara konvensional. Oleh karena itu, guru masih cenderung mendominasi kegiatan pembelajaran. Padahal, aktivitas pembelajaran mestinya didominasi oleh siswa.Kata kunci: Problem Based Learning, Guru Matematika, Penerapan Model, Luas Permukaan Tabung.This is a qualitativedescriptive research that aims to analyze the application of the Problem Based Learning (PBL) model of the mathematics teacher on the surface area of the cylinder. The subject of this study was just one person who was selected purposively from three mathematics teachers of grade IX at SMP. The research instruments were the researcher herself, observation sheet, interview guide, and documentation. The data in this study were then analyzed in three stages, namely data condensation, data presentation, as well as conclusion and verification. The results of the research show that the teacher as a research subject who applies the PBL model in class is not fully in accordance with the theory. In addition, she treats the two research classes differently because of the differences in students' mathematical abilities in the two classes (epistemic injustice). Also, the application of the PBL model does not work as it should be in learning. This is because, on the one hand, there is still a lack of students' ability to understand the context of the problem given by the teacher. On the other hand, the teacher is still accustomed to conventional learning. Therefore, the teacher still tends to dominate learning activities. In fact, learning activities should be dominated by students.Keywords: Problem Based Learning, Mathematics Teacher, Application of The Models, The Surface Area of The Cylinder.
Analisis Kesalahan dalam Menyelesaikan Masalah Numerasi Aljabar dengan Menggunakan Prosedur Newman pada Siswa Kelas XI SMA Nur Rahmah Sari; Syahrullah Asyari; Muhammad Darwis M
Issues in Mathematics Education (IMED) Vol 7, No 2 (2023): September
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/imed51347

Abstract

Penelitian ini bertujuan untuk menganalisis kesalahan siswa dengan menggunakan metodeNewman dalam menyelesaikan permasalahan numerasi Asesmen Kompetensi Minimum materi SistemPersamaan Linear Tiga Variabel. Jenis penelitian ini adalah penelitian kualitatif deskriptif. Pemilihansubjek yang dilakukan menggunakan teknik purposive sampling sehingga terpilih tiga siswa kelas XI diSMAN 22 Makassar. Instrumen yang digunakan dalam penelitian ini terdiri atas instrumen utama yaknipeneliti sedangkan instrumen pendukung meliputi tes pemahaman pemodelan matematika, tes numerasiAKM, dan wawancara. Data dalam penelitian ini dianalisis melalui tiga tahap yakni kondensasi data,penyajian data, dan penarikan kesimpulan dan verifikasi. Hasil penelitian menunjukkan bahwa siswamelakukan 4 jenis kesalahan berdasarkan prosedur Newman, yaitu kesalahan memahami, kesalahantransformasi, kesalahan keterampilan proses, dan kesalahan pengkodean.Kata Kunci: Kesalahan Siswa, Prosedur Newman, Asesmen Kompetensi Minimum, Sistem Persamaan Linear Tiga VariabelThis research aim to analyze students’ errors using the Newman method in solving numerationproblems Minimum Competency Assessment on the topic of Three Variable Linear Equation System. Thistype of research is descriptive qualitative research. The subject selection was carried out using apurposive sampling technique so that three students of grade XI at SMAN 22 Makassar were selected.The instruments used in this research consisted of the main instruments, namely the researcher, while thesupporting instruments included mathematical modeling comprehension tests, AKM numeration tests, andinterviews. The data in this research were analyzed through three stages, namely data condensation, datapresentation, and conclusion and verification. The results showed that students made 4 types of errorsbased on Newman's procedure, namely understanding errors, transformation errors, processing skillerrors, and coding errors.Key Words: Students’ Errors, Newman Procedure, Minimum Competency Assessment, Three-Variabel Linear Equations System