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PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING UNTIK MENINGKATKAN PRESTASI BELAJAR SISWA PADA OPERASI BILANGAN BULAT KELAS VII SMP DWIJENRDRA DENPASAR MARGARETA Tamo Ina; Putu Suarniti Noviantari; Gusti Ayu Made Arna Putri
Jurnal Pembelajaran dan Pengembangan Matematika Vol. 6 No. 1 (2026): Jurnal Pembelajaran dan Pengembangan Matematika
Publisher : Prodi Pendidikan Matematika Fakultas Keguruan dan Ilmu Pendidikan Unmas Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36733/pemantik.v6i1.14164

Abstract

Penelitian ini bertujuan untuk mengetahui peningkatan prestasi belajar siswa pada materi operasi bilangan bulat melalui penerapan model pembelajaran Problem Based Learning (PBL) di kelas VII A SMP Dwijendra Denpasar tahun ajaran 2025/2026. Jenis penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK) yang dilaksanakan dalam dua siklus. Subjek penelitian adalah 32 siswa kelas VII A. Data dikumpulkan melalui tes prestasi belajar dan lembar observasi aktivitas siswa pada setiap siklus. Hasil penelitian menunjukkan bahwa terjadi peningkatan yang signifikan pada prestasi belajar siswa. Pada kondisi pra-tindakan, rata-rata nilai siswa sebesar 67,38 dengan ketuntasan klasikal 53,1%. Setelah diterapkan PBL pada Siklus I, rata-rata meningkat menjadi 67,50 dengan ketuntasan 71,9%. Pada Siklus II, rata-rata nilai mencapai 82,16 dengan ketuntasan klasikal 93,8%, melampaui indikator keberhasilan yang ditetapkan sebesar 75%. Temuan ini mengonfirmasi bahwa model pembelajaran PBL efektif dalam meningkatkan prestasi belajar matematika siswa pada materi bilangan bulat melalui pendekatan kontekstual berbasis masalah nyata.
Cultural insights into arithmetic sequences: A study of chinese zodiac and its elements Gusti Ayu Made Arna Putri; Ni Putu Ayu Mirah Mariati; I Ketut Suwija
Journal of Honai Math Vol. 7 No. 3 (2024): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v7i3.670

Abstract

Ethnomathematics examines the intersection of mathematics and cultural practices, revealing how mathematical principles are embedded within societal traditions. Despite extensive research in ethnomathematics, limited studies have explored its application in understanding the Chinese zodiac system and its mathematical foundations. This study addresses this gap by investigating the mathematical structures underlying the determination of the Chinese zodiac and its elements, offering a novel perspective on how arithmetic sequences and modular arithmetic are utilized within this cultural tradition. The study aims to formulate these traditional calculations into a mathematical framework, thereby bridging cultural heritage and mathematical learning. Employing a qualitative research design with an ethnographic approach, data collection was conducted through field observations, in-depth interviews, and thematic analysis to ensure validity, reliability, and representativeness. The findings reveal that the determination of the Chinese zodiac and its elements involves fundamental mathematical operations such as multiplication, addition, and modular arithmetic. This study not only demonstrates the inherent mathematical reasoning within cultural traditions but also contributes to the broader discourse on mathematics education by integrating cultural contexts into learning. Finally, the results have significant implications for mathematics education, offering an alternative pedagogical approach that enhances students’ engagement and comprehension by contextualizing mathematical concepts within real-life cultural practices.
Culturally Responsive Teaching for Deep Learning: Exploring Pre-Service Teachers' Pedagogical Competence Across the Instructional Cycle I Gusti Ayu Putu Arya Wulandari; Kadek Rahayu Puspa Dewi; Gusti Ayu Made Arna Putri; Koming Ari Denawati; Handriyani
Jurnal Kependidikan : Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran, dan Pembelajaran Vol. 12 No. 3 (2026): September (IN PRESS)
Publisher : LPPM Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v12i3.22380

Abstract

This study aims to examine pre-service teachers’ pedagogical competence in implementing Culturally Responsive Teaching (CRT) to support deep learning pedagogy during mathematics lessons observed in their teaching practicum and to identify points at which implementation weakened across the instructional cycle. A qualitative descriptive design was employed, with structured 1–4 observation ratings used solely as descriptive supporting evidence rather than as a separate quantitative strand. Observations and document analysis involved 30 pre-service teachers, while interviews were conducted with 10 of these participants, four teacher educators, and 30 students. Data from observation protocols, semi-structured interviews, lesson documents, assessment tasks, and reflective journals were analyzed thematically and validated through source, method, and time triangulation. Descriptive ratings indicated stronger performance in inclusive classroom management (M = 3.5) and culture-based lesson planning (M = 3.2), but weaker performance in the use of culturally relevant media (M = 2.8) and culture-based assessment (M = 2.6). Triangulated evidence revealed a culturally responsive continuity gap: cultural responsiveness was evident in lesson planning and classroom interactions but diminished during assessment and critical reflection. When local cultural contexts were used as resources for mathematical reasoning rather than as decorative examples, students demonstrated clearer indicators of meaningful, mindful, and joyful learning. The study identifies authentic culture-based assessment, structured reflection, mentoring, and culturally relevant resources as priority areas for strengthening pre-service teachers’ pedagogical competence during teaching practicum.