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Evangelista Lus Windyana Palupi
Universitas Negeri Surabaya
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Pengembangan Lembar Kerja Peserta Didik (LKPD) Materi Penyelesaian SPLDV dengan Metode Grafik Berbasis Realistic Mathematics Education (RME) Mauludiana Nur Islamiyah; Evangelista Lus Windyana Palupi
MATHEdunesa Vol. 15 No. 2 (2026): Jurnal Mathedunesa Volume 15 Nomor 2 Tahun 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v15n2.p492-503

Abstract

The ability to create, read, and analyze data from graphs in everyday life makes mastery of the graphical method of System of Linear Equations in Two Variables (SLETV) important. This research aims to describe the validity, practicality, and effectiveness of an RME-based student worksheet on SLETV solving using the graphical method. This research utilizes the ADDIE model, a development research approach that involves analysis, design, development, implementation, and evaluation. The developed student worksheet was designed based on the four-level iceberg levels, where students solved contextual problems related to vehicle speed at the situational level, determined the speed and travel time of each vehicle at the model-of level, determined whether one vehicle could overtake another at the model-for level, and identified the types of SLETV solutions based on graphs at the formal level. The results of the student worksheet development were tested on 30 students of class VIII at SMPN 15 Surabaya. The results showed that the developed student worksheet was very valid (4.51), with the content aspect obtaining the highest score and the time aspect the lowest; practical (4.3), with the preliminary aspect obtaining the highest score and the closing aspect the lowest; and effective, as reflected by student activity rates of 91.77% and 94.12%, a positive response rate of 83.14%, and an N-Gain score of 0.48, indicating moderate improvement in learning outcomes. Therefore, the developed RME-based student worksheet can be used in mathematics learning and helps students solve SLETV problems using the graphical method through the four iceberg levels.
Co-Authors Abda Abda Abdul Haris Rosyidi Achmad Ghozi Khoiruddin Agung Lukito Ahmad Wachidul Kohar Ali Shodikin Dayat Hidayat Dinda Putri Lestari Dini Kinati Fardah Dini Kinati Fardah Dini Kinati Fardah Dwi Juniati Fiangga, Shofan Fildzah, Natasya Nurhusnina Ianatun Nafilah Anwar Ika Kurniasari Kartikawati, Wahyu Manuharawati MASRIYAH Masriyah Masriyah Mauludiana Nur Islamiyah Mayang Purbaningrum Mayang Purbaningrum Muallif, Mukhammad Hasan Mubarkah, Resti Elmi Nina Prihartiwi Nisa’, Thoiffatul Khusnun Oktavia, Siwi Putri Purbaningrum, Mayang Putri, Hani Rizkia Putri, Ulinnuha Aisya Rooselyna Ekawati Salsa Bella Yuliani Setianingsih, Rini Sholikha, Rizka Ayu Amanatush Silvia Kumala Dewi Siti Khabibah Siti Khabibah Siti Maghfirotun Amin Sugandi, Oktavia Wahyu Susanah Susanah, Susanah Susanah Sylvana Novilia Sumarto Sylvana Novilia Sumarto Tatag Yuli Eko Siswono tazkia, savirra Thoiffatul K. Nisa Viky H. Putra Yuliani, Salsa Bella Yuniawati, Sinta Zulfa Qurrotu Ain