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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) JURNAL DERIVAT: JURNAL MATEMATIKA DAN PENDIDIKAN MATEMATIKA Journal of Mathematics and Mathematics Education Desimal: Jurnal Matematika Jurnal SOLMA JTAM (Jurnal Teori dan Aplikasi Matematika) Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Mandalika Mathematics and Educations Journal Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang Jurnal Pendidikan MIPA Jurnal Pendidikan Progresif Mathematics Education Journal Lembaran Ilmu Kependidikan Jurnal Pengabdian Masyarakat Ilmu Pendidikan
Agung Putra Wijaya, Agung Putra
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP – UNS
Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Journal : Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika

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Improving students’ mathematical communication skills through the guided inquiry learning model with Desmos Salsabila; Noer, Sri Hastuti; Wijaya, Agung Putra
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 2 (2025): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v8i2.3226

Abstract

One of the essential skills students must develop in mathematics learning is mathematical communication. However, field observations indicate that students still exhibit weaknesses in this area. Therefore, it is necessary to implement a learning model supported by digital media that facilitates students in expressing and communicating mathematical ideas more effectively. The guided inquiry learning model, when integrated with interactive media such as Desmos, offers a promising alternative. Desmos is a dynamic graphing application that allows students to explore mathematical concepts visually and interactively, thereby supporting deeper conceptual understanding and communication. This study employed a quasi-experimental design aimed at examining the improvement of students’ mathematical communication skills through the implementation of a guided inquiry learning model with Desmos. The population consisted of all ninth-grade students at SMP Negeri 45 Bandar Lampung in the 2024/2025 academic year, totaling 107 students across four classes. The samples were selected using a cluster random sampling technique and comprised class 9.3 (27 students) as the experimental group and class 9.2 (26 students) as the control group. The research design used was a posttest-only control group design. Quantitative data were collected through a mathematical communication skills test. Based on hypothesis testing using an independent sample t-test at a significance level of α = 0.05, the results showed that t-count > t-table (2.08 > 1.67). Thus, it can be concluded that the application of the guided inquiry learning model with Desmos significantly improves students’ mathematical communication skills.
The effect of the guided discovery learning model on students’ mathematical reasoning ability Amri, Reni Auliana; Gunowibowo, Pentatito; Wijaya, Agung Putra
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 2 (2025): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v8i2.3249

Abstract

This quasi-experimental study aimed to investigate the effect of the Guided Discovery Learning (GDL) model on the mathematical reasoning ability of eighth-grade students. The population consisted of 319 students from Grade VIII at SMP Negeri 20 Bandar Lampung during the 2024/2025 academic year, distributed across ten classes (VIII-A to VIII-J). Using a purposive sampling technique, two classes were selected as research samples: class VIII-B (32 students) as the experimental group, which received instruction using the GDL model, and class VIII-A (32 students) as the control group, which received conventional cooperative learning. The study employed a pretest-posttest control group design. The research data were quantitative, obtained through a mathematical reasoning ability test on the topic of Systems of Linear Equations in Two Variables, administered before and after the intervention in both groups. Statistical analysis using an independent samples t-test on the gain scores revealed a statistically significant difference. The findings showed that students in the GDL group experienced greater improvement in mathematical reasoning ability compared to those in the control group. These results suggest that the GDL model has a positive and significant effect on enhancing students’ mathematical reasoning skills.
Co-Authors Amri, Reni Auliana Caswita Caswita Coesamin, M Coesamin Dedi Supriadi Dina Maulina erna wati Firdaus, Ahmad Qolfathiriyus Firdaus, Iqbal Girsang, Melan Kristina Herlistiyanti, Sasha Ibirilia, Elvira Sesie Jamila, Atika Jamila Kenny Candra Pradana Mardiyana Mardiyana Melya Riniarti Nurhadian, Yardan Permata Nurhanurawati Nurhanurawati Pentatito Gunowibowo Rini Asnawati Rini Rita T Marpaung Salsabila Sri Hastuti Noer Sri Suryanti Sri Wulandari Suyono Suyono Undang Rosidin Viyanti Viyanti Wayan Rumite Widyastuti Widyastuti Winarto, Rifan