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All Journal Jurnal Pendidikan Informatika dan Sains GERVASI: Jurnal Pengabdian kepada Masyarakat Didaktik : Jurnal Ilmiah PGSD STKIP Subang Riemann : Research of Mathematics and Mathematics Education
Iwit Prihatin
Universitas PGRI Pontianak
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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EKSPLORASI KONSEP MATEMATIKA PADA ALAT–ALAT TRADISIONAL PETANI SUKU DAYAK KAYONG UNTUK PENGUATAN PEMBELAJARAN KONTEKSTUAL DI DESA RANDAU Seri Hani; Muchtadi; Iwit Prihatin
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 01 (2026): Volume 12 No. 01 Maret 2026 Public
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i01.11817

Abstract

This study aims to explore the mathematical concepts embedded in the traditional farming tools of the Dayak Kayong community and their relationship to strengthening contextual mathematics learning in Randau Village. The study is motivated by the importance of connecting mathematics learning with local culture so that learning becomes more meaningful and relevant for students. An ethnomathematical approach is employed to reveal mathematical concepts found in the activities and traditional tools of the Dayak Kayong farming community.The research method used is descriptive with a qualitative ethnographic approach. The research subjects include traditional leaders, traditional tool craftsmen, and farmers in Laman Kumai Hamlet, Randau Village. Data were collected through observation, interviews, and documentation, then analyzed qualitatively through data reduction, data presentation, and conclusion drawing, with triangulation used to ensure data validity.The results show that traditional tools such as canting (gantang), tanggui, and lesung contain mathematical concepts including plane figures, solid figures, measurement, number patterns, and geometry. These concepts have the potential to be integrated into contextual mathematics learning as learning resources that help improve conceptual understanding, increase learning motivation, and foster appreciation for local culture.Therefore, the traditional farming tools of the Dayak Kayong community possess ethnomathematical values that are relevant to be utilized in contextual mathematics learning.
Kemampuan berpikir kritis dan self-efficacy siswa melalui lesson study dengan model pembelajaran PBL berbasis STEM Iwit Prihatin; Dwi Oktaviana
Jurnal Pendidikan Informatika dan Sains Vol. 14 No. 2 (2025): Jurnal Pendidikan Informatika dan Sains
Publisher : Universitas PGRI Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31571/saintek.v14i2.9681

Abstract

Penelitian ini bertujuan untuk meningkatkan kemampuan berpikir kritis matematis dan self-efficacy siswa melalui lesson study dengan model pembelajaran Problem Based Learning (PBL) berbasis STEM. Metode penelitian yang digunakan adalah eksperimen semu dengan desain Pretest-Posttest Nonequivalent Control Group. Subjek penelitian adalah 66 siswa kelas VII SMP Negeri 13 Pontianak yang dibagi menjadi dua kelas, yaitu kelas eksperimen dengan model PBL berbasis STEM dan kelas kontrol dengan model PBL tanpa STEM. Data penelitian diperoleh melalui tes kemampuan berpikir kritis, angket self-efficacy, dan lembar observasi aktivitas siswa. Hasil penelitian menunjukkan bahwa: (1) kualitas pembelajaran guru di kelas eksperimen berada pada kategori sangat baik dengan rata-rata skor 91, lebih tinggi dibanding kelas kontrol yang berada pada kategori baik dengan rata-rata skor 83,5; (2) aktivitas siswa di kelas eksperimen mencapai rata-rata 87,2%, lebih tinggi dibandingkan kelas kontrol 83%; dan (3) hasil uji t menunjukkan bahwa rata-rata kemampuan berpikir kritis matematis siswa di kelas eksperimen (82,5) lebih baik secara signifikan dibandingkan kelas kontrol (74) dengan nilai sig. 0,005 < 0,05. Selain itu, rata-rata self-efficacy siswa kelas eksperimen mencapai 85,5%, lebih tinggi dibandingkan kelas kontrol 80,2%. Dengan demikian, penerapan PBL berbasis STEM melalui lesson study terbukti lebih efektif dalam meningkatkan kemampuan berpikir kritis matematis dan self-efficacy siswa dibandingkan dengan PBL tanpa STEM.
EDUKASI LINGKUNGAN BERBASIS DATA: MENGUKUR DAN MENGURANGI SAMPAH RUMAH TANGGA DENGAN PENDEKATAN MATEMATIKA Wandra Irvandi; Dwi Oktaviana; Marhadi Saputro; Iwit Prihatin; Abdillah Abdillah
GERVASI: Jurnal Pengabdian kepada Masyarakat Vol. 10 No. 1 (2026): GERVASI: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM IKIP PGRI Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31571/gervasi.v10i1.10184

Abstract

Pulau Lemukutan menghadapi peningkatan volume sampah akibat aktivitas pariwisata dan konsumsi masyarakat. Minimnya sarana pengelolaan sampah serta rendahnya kesadaran ekologis menyebabkan sebagian besar warga masih membuang sampah ke laut atau membakarnya di sekitar pemukiman. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kesadaran dan kemampuan masyarakat Pulau Lemukutan, Kalimantan Barat, dalam mengelola sampah rumah tangga melalui pendekatan berbasis data dan penerapan konsep matematika sederhana. Metode yang digunakan adalah Participatory Action Research (PAR) yang melibatkan tiga tahap utama: perencanaan, tindakan, dan refleksi. Kegiatan dilaksanakan di Pulau Lemukutan, Kalimantan Barat dengan peserta sebanyak 22 orang. Hasil kegiatan menunjukkan pengukuran kemampuan awal (pre-test) hanya 27% peserta memahami cara mencatat volume sampah rumah tangga secara sistematis. Setelah pelaksanaan kegiatan, hasil post-test menunjukkan peningkatan hingga 86% peserta yang mampu melakukan pengukuran dan analisis data sederhana. Hal ini menunjukkan adanya peningkatan signifikan dalam kemampuan literasi numerasi peserta. Pendekatan ini terbukti efektif dalam memperkuat literasi numerasi dan kesadaran ekologis masyarakat.
Analysis of Numeracy Literacy Abilities in Solving Minimum Competency Assessment Tasks Based On Students' Cognitive Styles Diah Tri Muharini Muharini; Iwit Prihatin; Wandra Irvandi
Riemann: Research of Mathematics and Mathematics Education Vol. 7 No. 1 (2025): EDISI APRIL
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/reimann.v7i1.84

Abstract

This study aims to analyze students' numeracy literacy skills in solving Minimum Competency Assessment (AKM) problems based on their cognitive styles, focusing on reflective and impulsive cognitive styles. The research employs a qualitative descriptive method, enabling an in-depth exploration of students' numeracy literacy abilities at MTs Negeri 01 Pontianak. Data collection techniques include AKM tests, the Matching Familiar Figure Test (MFFT), and interviews. The findings indicate that a reflective cognitive style significantly influences students' ability to solve AKM problems. Students with high numeracy literacy skills meet all numeracy literacy indicators. Meanwhile, students with moderate numeracy literacy skills fail to meet one indicator, namely interpreting. Students with low numeracy literacy skills can only fulfill one indicator, namely formulating. On the other hand, the impulsive cognitive style also affects how students approach AKM problems. Students with high numeracy literacy skills fulfill all numeracy literacy indicators. In contrast, students with moderate numeracy literacy skills meet only one indicator, namely applying. Students with low numeracy literacy skills fail to meet any of the indicators. This research highlights the importance of developing learning strategies that consider students' cognitive styles to enhance their numeracy literacy skills.
Co-Authors Abdillah Abdillah Diah Tri Muharini Muharini Dwi Oktaviana Marhadi Saputro Muchtadi Seri Hani Wandra Irvandi