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Efektivitas Media Pembelajaran Interaktif Berbasis Genially dalam Meningkatkan Hasil Belajar Siswa Sekolah Menengah Pertama Dinda; Rahayu, Puji
Cartesian: Jurnal Pendidikan Matematika Vol. 5 No. 2 (2026): Cartesian Vol. 5 No. 2 April 2026
Publisher : Program Studi Pendidikan Matematika FIP UNHASY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33752/cartesian.v5i2.11083

Abstract

This study aims to evaluate the effectiveness of Genially-based interactive learning media in improving junior high school students' mathematics learning outcomes in Social Arithmetic. The background of this study is based on the need for digital learning media that can present abstract concepts more clearly and attractively. This study utilizes a quantitative approach and a One-Group Pretest–Posttest pre-experimental design. The sample used for the study was 31 seventh-grade students. The research instrument was a pretest and posttest given before and after the Genially-based learning intervention. To determine the effectiveness of improving learning outcomes, data were analyzed using the N-Gain test. The results showed an increase in students' total scores in the pretest from 1,128 to 2,261 in the posttest, with an average increase of 47.87 points. The N-Gain value of 0.75 is included in the high category, which means that the use of Genially is effective in improving students' learning outcomes in Social Arithmetic. These results support the idea that technology-based interactive learning methods can significantly improve students' understanding of mathematical concepts. This study shows that Genially is worth incorporating into mathematics learning because it can improve students' motivation, their understanding, and their learning outcomes.
STUDI VALIDITAS DAN KEPRAKTISAN LKPD BERBASIS PBL UNTUK MENGEMBANGKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA SEKOLAH DASAR Dinda
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01 Maret 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.39895

Abstract

This study aims to determine the validity and practicality of a Problem Based Learning (PBL) based Student Worksheet (LKPD) in elementary school mathematics learning. The research employed a Research and Development method using the ADDIE model, which consists of the stages of analysis, design, development, implementation, and evaluation. The LKPD was validated by subject matter experts, instructional design experts, and language experts by assessing the aspects of content feasibility, language, presentation, and alignment with the PBL syntax. The practicality of the LKPD was measured through questionnaires distributed to teachers and students after the implementation of the learning activities. The results showed that the PBL based LKPD achieved an average validity score of 0.88, categorized as highly valid, and an average practicality level of 89%, categorized as highly practical. These findings indicate that the PBL based LKPD is appropriate for use as a mathematics instructional material in elementary schools, as it is easy to use, aligned with students’ characteristics, and supports student-centered learning in accordance with the demands of the Merdeka Curriculum.