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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar PESHUM
Ruth Sahanaya Manik
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Analisis Penerapan Rme Berbantuan Geogebra Untuk Meningkatkan Hasil Belajar Siswa Dengan Uji Paired Sample T-Test Novita Sari Maria; Siti Khafifah F; Afta Geosasmita Saragih; Aini Wardana; Prihatin Ningsih Sagala; Ruth Sahanaya Manik
PESHUM : Jurnal Pendidikan, Sosial dan Humaniora Vol. 4 No. 3: April 2025
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/peshum.v4i3.8636

Abstract

This study aims to analyze the effectiveness of the Realistic Mathematics Education (RME) approach supported by GeoGebra software in improving students' learning outcomes. The research method employed is pre-experimental with a one-group pretest-posttest design. The research sample consisted of 27 students from class IX-7 at SMPN 27 Medan, who participated in mathematics learning using the RME approach assisted by GeoGebra. Data collection was conducted through learning outcome tests, which were then analyzed using the Shapiro-Wilk normality test and the paired sample t-test. The analysis results indicate that the pretest and posttest data are normally distributed, with the t-test yielding a t-value of -9.0872 and a p-value of 1.496e-09, demonstrating a significant improvement in learning outcomes after implementing the RME approach with GeoGebra. The average difference between pretest and posttest scores was -20.25926, with a 95% confidence interval (-24.84191 to -15.67660). These findings confirm that the RME approach supported by GeoGebra is effective in enhancing students' mathematical understanding and skills.
ANALISIS KESULITAN BELAJAR SISWA DALAM MEMAHAMI BILANGAN BERPANGKAT PECAHAN RUTH SAHANAYA MANIK; NAZLAH INDRI AGISTIA; DAN YUNISYIA PUJI ASTUTI
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 04 (2025): Volume 10 No. 04 Desember 2025
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i04.39749

Abstract

This study aims to analyze students' learning difficulties in understanding fractional exponents in grade IX junior high school students. The type of research used is qualitative research with a descriptive approach. The research subjects consisted of grade IX students who were selected based on the results of a diagnostic test on fractional exponents. Data collection techniques included tests, interviews, observations, and documentation. Data were analyzed using the Miles and Huberman model which includes the stages of data reduction, data presentation, and drawing conclusions. The results of the study indicate that students experience several types of difficulties in learning fractional exponents, namely: (1) difficulty in understanding concepts, indicated by students' inability to interpret fractional exponents as roots and powers; (2) difficulty in using principles, characterized by errors in applying the properties of operations on exponents in practice questions; and (3) difficulty in solving verbal problems, where students are less able to transform story information into appropriate mathematical models. Factors causing learning difficulties include low mastery of the prerequisites for fractional operations, minimal in-depth understanding of concepts, and learning strategies that still focus on memorizing procedures. Efforts to overcome these difficulties include providing remedial guidance, using visual or concrete media, providing gradual practice, and conceptual-based learning.
Co-Authors Afta Geosasmita Saragih Aini Wardana DAN YUNISYIA PUJI ASTUTI NAZLAH INDRI AGISTIA Novita Sari Maria Prihatin Ningsih Sagala Siti Khafifah F