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All Journal Tekno - Pedagogi : Jurnal Teknologi Pendidikan AKSIOMA: Jurnal Program Studi Pendidikan Matematika JRPM (Jurnal Review Pembelajaran Matematika) PRISMA Tunjuk Ajar: Jurnal Penelitian Ilmu Pendidikan ABDIMAS SILIWANGI Teorema: Teori dan Riset Matematika Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika JPMI (Jurnal Pembelajaran Matematika Inovatif) (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Jurnal Pengabdian Sains dan Humaniora SJME (Supremum Journal of Mathematics Education)
Asep Ikin Sugandi
Pendidikan Matematika STKIP Siliwangi Bandung
Arts Humanities Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Meningkatkan kemampuan berpikir kritis matematis siswa SMP melalui penerapan pendekatan saintifik dengan model pembelajaran kooperatif tipe student teams achievement division (STAD) Rahmah, Wulan Siti; Sugandi, Asep Ikin; Zanthy, Luvy Sylviana
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 9 No. 1 (2026): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v9i1.28977

Abstract

This study aims to determine the effectiveness of implementing the scientific approach combined with the Student Teams Achievement Divisions (STAD) cooperative learning model on student’ learning mastery and the improvement of mathematical critical thinking skills in junior high school. The research employed a mixed-method design with a Convergent Parallel approach, in which quantitative and qualitative data were collected simultaneously. Quantitative data were obtained through pretetsts and posttests, while quantitative data were collected through student response questionnaires. The research subjects consisted of 30 seventh-grade students of class VII-A as the experimental group and 30 students of class VII-E as the control group. The result showed that the experimental group achieved an average posttest score of 27,73 with a mastery level of 93,33%, while the control group obtained an average of 16,73 with no students achieving mastery. These findings indicate that the learning outcomes of the experimental group were superior. In addition, students’ responses to the learning process were in the strong category, with a score of 78,55%.
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MATEMATIS MELALUI PENGEMBANGAN E-LKPD BERBASIS RME BERBANTUAN GEOGEBRA Sugandi, Asep Ikin; Haryono, Upik; Maya, Rippi
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 15, No 1 (2026)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v15i1.14502

Abstract

Kemampuan berpikir kritis matematis siswa SMP masih tergolong rendah akibat keterbatasan bahan ajar yang interaktif dan kontekstual. Penelitian ini bertujuan mengembangkan E-LKPD berbasis RME terintegrasi GeoGebra serta menguji efektivitasnya. Metode yang digunakan adalah R&D dengan model Plomp yang disederhanakan, melibatkan siswa kelas VIII SMP Negeri 2 Haurgeulis Indramayu. Instrumen penelitian terdiri atas lembar validasi ahli, angket respons siswa, dan tes berpikir kritis. Hasil penelitian menunjukkan bahwa E-LKPD dinyatakan sangat valid (ahli materi 86,40%; ahli media 87%), sangat praktis (respons siswa 88%), dan efektif berdasarkan uji statistik yang menunjukkan perbedaan signifikan antara pretest dan posttest (sig. < 0,05). Dengan demikian, E-LKPD berbasis RME berbantuan GeoGebra terbukti valid, praktis, dan efektif sebagai inovasi pembelajaran matematika yang kontekstual, interaktif, dan berorientasi HOTS. Penelitian ini merekomendasikan penggunaan E-LKPD tersebut secara lebih luas di SMP. The deficiency of interactive and contextual resources has contributed to the subpar mathematical critical thinking skills observed among junior high schoolers. To address this, the current study developed and evaluated an RME-based Electronic Student Worksheet (E-LKPD) integrated with GeoGebra. Utilizing a simplified Plomp R&D model at SMP Negeri 2 Haurgeulis, the research utilized expert validations, questionnaires, and specialized tests for data collection. Findings indicate that the E-LKPD is highly valid (scoring over 86%), remarkably practical (88%), and statistically effective (sig. < 0.05) in improving student outcomes. Consequently, this GeoGebra-assisted tool serves as a robust innovation for HOTS-oriented learning and is recommended for broader academic implementation
Co-Authors A.A. Ketut Agung Cahyawan W Agung Nugraha Anik Yuliani Artika, Artika Azzahro, Namira Aulia Bernard , Martin Bernard, Martin Cahyani, Enny Putri Danny, Firman Deddy Sofyan Deni Hermawan Euis Eti Rohaeti Fauzy, Alwan Harry Dwi Putra, Harry Dwi Haryono, Upik Heris Hendriana Hidayat, Desi Aryanti Ika Wahyu Anita Indah Puspita Sari, Indah Puspita Indriani, Lusiana Fauziah Jaenal, Enjang Jamilah, Siti Marwah Kadarisma, Gida Khairunisa, Shabrina Komara, Elis Siti Linda Linda M. Afrilianto Masta Hutajulu Mulyana, Irpan Muthia, Shahla Naila Nia Kurnia Nuridayah, Fadilla Pertiwi, Citra Megiana Pramesti, Nadhira Pratama, Gilang Hariawan Rahmah, Wulan Siti Retnaningsih, Musriana Rippi Maya Rizkiyah Rohmah Ryan Dwi Puspita Siti Maesaroh Sukma Murni Supriatna, Tatang Tina Rosyana, Tina Wahyu Hidayat Wahyu Setiawan Wardani, Dina Syafitri Widianty, Devy Yuanita, Ade Yunita, Nita Sri Zanthy, Luvy Sylviana