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Geo-Sheet: Interactive GeoGebra-integrated learning material to enhance students’ creative mathematical reasoning in analytic geometry Titin Masfingatin; Ika Krisdiana; Reza Kusuma Setyansah
KALAMATIKA Jurnal Pendidikan Matematika Vol 11 No 1 (2026): KALAMATIKA April 2026
Publisher : FKIP Universitas Muhammadiyah Prof. DR. HAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/KALAMATIKA.vol11no1.2026pp95-119

Abstract

In analytic geometry instruction, students’ reasoning often remains procedural, limiting opportunities to develop Creative Mathematical Reasoning (CMR). CMR refers to the ability to construct reasoning that is novel to the learner, justified as plausible, and grounded in intrinsic mathematical properties. This study aimed to design and evaluate Geo-Sheet, a GeoGebra-integrated interactive learning material intended to support students’ CMR in analytic geometry. The research involved 30 undergraduate students enrolled in an Analytic Geometry course in a Mathematics Education program at a private university in East Java, Indonesia. An Educational Design Research (EDR) approach was employed, consisting of preliminary and formative evaluation phases (self-evaluation, expert review, one-to-one, small group, and field testing). Geo-Sheet was assessed in terms of validity, practicality, and potential effect. Expert judgment indicated high validity (Aiken’s V = 0.82), and student questionnaires showed high perceived practicality (70% in the high category). Pre- and post-test results, supported by observations and interviews, revealed improvements across CMR indicators. These findings suggest that systematically designed GeoGebra-based materials that integrate dynamic visualization and guided exploration have the potential to create productive learning conditions for the development of higher-order mathematical reasoning.
Co-Authors Adinda Putri Fajarsari Agus Ruliati Ahmad Mizan Ghofuri Ahmad Mizan Ghofuri, Ahmad Mizan Ainun Fisabilillah Andari, Ratri Murdy Astuti, Indra Puji Astuti, Maylinda Dwi Asyifa Ramadhani Cerianing Putri Pratiwi Darmadi Darmadi Davi Apriandi Dayanti, Reza Emelia Diah Ayu Marsela Wati, Alpina Dita Wahyu Rivaningtyas Dwi Cahyono Dewo Edy Suprapto Edy Suprapto Edy Suprapto Eka Marintasari Elma Firmanasari Elvi Marsiani Elzra Melasevix Erlynda Runtut Bela Vista Ervitasari Setya Mistrika Fahma, Dika Isnaini Fajar Subeqi, Ebitiya Febriana Nor Fadhilla Fisabilillah, Ainun Fitri Susmiatiningsih Fitri Susmiatiningsih, Fitri Fitria Rizqy Yuanawati Gerald DG. Mabuti Handayani, Rintis Hariyanti, Kartika Syarifah Fitri Hidayati, Setyaningrum Nurul Hutkemri Zulnaidi Ida Wahyuningtyas Iin Susilowati Indah Setiyowati Irma Farisca Iva Yuni Listiani Karunia Dwi Putri Lasmiatun Lutfi Andriana M. Puguh Nugroho Mala Nurilmala Muhammad Adi Pamungkas Nur Fitria, Ruina Nurul Ari Wahyuni Octarina Hidayatus Sholikhah Pratiwi, Indah Aditiya Puspita Ningrum, Pupung Restu Lusiana Reza Emelia Dayanti Reza Kusuma Setiansyah, Reza Kusuma REZA KUSUMA SETYANSAH Reza Kusuma Setyansah, Reza Kusuma Reza Kusuma Setyansyah Rian Saputri, Anggun Kiky Rintis Handayani Rintis Handayani Sanusi Sanusi Sanusi Sanusi Sardulo Gembong Sekarsari, Kurnia Setyaningrum Nurul Hidayati Setyaningrum Nurul Hidayati Setyansah, Reza Kusuma Shinta Kurniasari Sholikatul Rahmin Siti Aisyah Siti Namiroh Siti Zubaidah Handriani Sri Isari Sri Isari, Sri Styorini, Meganis Suparmono, Arif Swasti Maharani Titin Masfingatin Tri Adji Wulandari Tri Andari Tri Andari Tri Andari Tri Julianto Trianawati, Eny Umi Sulistiani Vera Dewi Susanti Vera Dewi Susanti Vera Dewi Susanti Vera Dewi Susanti Wahyuningtyas, Ida Wasilatul Murtafiah Wasilatul Murtafi’ah Wasilatul Murtaifiah Widya Norma Ambardi Winarsih Winarsih Yuli Hardiana Yuli Hardiana, Yuli