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Penerapan Pendekatan Realistik Matematika Edukasi (RME) terhadap Kemampuan Representasi Matematis Siswa Sekolah Dasar Ramadhani, Ari; Wulandari, Novela; Kusumastuti, Fitri Anisa
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 8, No 3 (2025): Social, Humanities, and Educational Studies (SHEs): Conference Series
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/shes.v8i3.107227

Abstract

Elementary school students’ mathematical representation skills are still rather limited as conventional teaching approaches abound and fall short of appropriately connecting theoretical ideas to actual situations. This study seeks to understand how the Realistic Mathematics Education (RME) strategy influences pupils’ capacity for mathematical representation. Employing A control group for the pretest and posttest strategyThe research method quasiexperimental. Included were two consciously selected fourth-grade classes in Tigaraksa District, Tangerang Regency. The experimental group got RME-based schooling while the control group underwent conventional instruction. The instrument of investigation was a descriptive study evaluating representational abilities in symbolic, visual, and verbal formats. Using SPSS, the data wes then analyzed using homogeneity, normality, matched sample t-test, as well as an independent sample t-test. The study showed an average of 13 points distinction between the posttest and results of the control group and those of the experimental group, indicating a major improvement in pupils’ results. This finding helps the theory that the RME technique can improve students’ ability to represent mathematical concepts a lot. Consequently, at the primary school level, the RME approach has proven to be effective in improving mathematical understanding in a more contextual and significant.Kemampuan representasi matematis siswa sekolah dasar masih tergolong rendah akibat dominasi metode pembelajaran konvensional yang kurang mengaitkan konsep abstrak dengan situasi nyata. Penelitian ini bertujuan untuk mengkaji pengaruh pendekatan Realistik Matematika Edukasi (RME) terhadap peningkatan kemampuan representasi matematis siswa. Dengan menggunakan strategi control group pretest-posttest, metode penelitian ini adalah kuasi eksperimen melibatkan dua kelas IV di Kecamatan Tigaraksa, Kabupaten Tangerang yang dipilih secara purposif. Kelompok eksperimen memperoleh pembelajaran berbasis RME, sedangkan kelompok kontrol mendapat pembelajaran konvensional. Insturmen penelitian berupa tes uraian yang mengukur kemampuan representasi dalam bentuk simbolik, visual, dan verbal, kemudian dianalisis menggunakan uji normalitas, homogenitas, paired sample t-test, dan independent sample t-test dengan bantuan SPSS. Hasil analisis menunjukkan bahwa terdapat peningkatan yang signifikan pada skor posttest siswa di kelas eksperimen dibandingkan dengan kelas kontrol, dengan rata-rata selisih 13 poin. Temuan ini menegaskan bahwa pendekatan RME secara signifikan dapat meningkatkan kemampuan representasi matematis siswa. Dengan demikian, pendekatan RME terbukti efektif mampu meningkatkan pemahaman matematika secara lebih kontekstual dan signifikan.
Learning Obstacle Sebagai Indikator Krisis Konseptual dalam Pembelajaran Bangun Ruang Sisi Datar Wulandari, Novela; Kusumastuti, Fitri Anisa; Lutfi, Muh. Khaedir
Jurnal Pendidikan Matematika : Judika Education Vol. 8 No. 6 (2025): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/vw3eg770

Abstract

This study aims to identify the Learning obstacles experienced by students in learning quadrilaterals and to analyze how these obstacles indicate the emergence of a conceptual crisis. The method used is a descriptive qualitative approach involving junior high school students as research subjects. Data were collected through diagnostic tests, interviews, and classroom observations to explore students’ learning difficulties in greater depth. The findings show that students still encounter various types of Learning obstacles, including ontogenic, epistemological, and didactical obstacles. These obstacles are evident in students’ inability to understand basic concepts, difficulties in connecting different representations of geometric figures, and the mismatch between teachers’ instructional strategies and students’ learning characteristics. These conditions indicate the presence of a conceptual crisis that may hinder students’ understanding of more complex mathematical concepts. In conclusion, this study emphasizes that the Learning obstacles identified are influenced not only by students’ initial abilities but also by instructional resources and the teaching approaches used. The findings contribute theoretically to the discussion of Learning obstacles in mathematics education and provide practical recommendations for teachers in designing geometry instruction that is more contextual, interactive, and conceptually oriented. Keywords: Conceptual Crisis, Geometry, Learning obstacle, Mathematics Education, Quadrilateral,