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All Journal Rangkiang Mathematics Journal Pedagogi: Jurnal Pendidikan Dasar JOURNAL OF MATHEMATICS SCIENCE AND EDUCATION
Rajab Vebrian
Universitas Muhammadiyah Bangka Belitung
Education Mathematics Other

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The Development of Mathematical Problems in the Context of the Bangka Belitung Traditional House to Train Mathematical Communication Skills Selvy Zananti; Risnina Wafiqoh; Rajab Vebrian
Rangkiang Mathematics Journal Vol. 2 No. 1 (2023): Rangkiang Mathematics Journal
Publisher : Department of Mathematics, Universitas Negeri Padang (UNP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/rmj.v2i1.23

Abstract

The problem that is currently happening is that students' mathematical communication skills are still low. Based on the review where students were given questions, students were not able to make a mathematical model as a solution to solve the problem. So, this research was conducted to find out the characteristics of valid and practical mathematical questions using the context of the Bangka Belitung traditional house. The research and development model used in this study is the Borg and Gall development model. The subjects in this study were students of class VII at one of the Pangkalpinang State Middle Schools, with 40 students, consisting of 9 students in class VII B and 31 students in class VII C. Data collection techniques were conducted by interviews and questionnaires. The data analysis techniques used are descriptive quantitative and descriptive qualitative. This study develops questions with the characteristics that have been developed according to mathematical communication indicators, using the context of the Bangka Belitung traditional house, and planes.
Pengembangan Multimedia Interaktif Berbantuan Canva pada Materi Perkalian Bilangan Cacah di Kelas III SD Dhevario Rahmadika; Feri Ardiansah; Rajab Vebrian
Pedagogi: Jurnal Pendidikan Dasar Vol. 14 No. 1 (2026): April 2026
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/pedagogi.vol.14i.1.1308

Abstract

This research was motivated by students' lack of understanding of the material on arithmetic operations of whole number multiplication, low student grades, and limited use of learning media. This study aims to produce and determine interactive multimedia products assisted by Canva for arithmetic operations of whole number multiplication that are valid, practical, and effective. This study is a development research using the ADDIE model (Analyze, Design, Development, Implementation, Evaluation). The data collection techniques used include interviews, questionnaires, and tests. The data analysis techniques used are the validation questionnaires from the experts, the responses from the students, and the pretest and posttest through normalized N-Gain. Based on the analysis results, the material validity score is 90% with the "very valid" category. The media expert 1 and 2 scores are 97% and 90%, also categorized as "very valid". The practicality score from participants is 88% with the "very practical" category. The N-Gain test result shows an increase in understanding of multiplication of whole numbers, with a value of 0.47, categorized as moderate. However, the effectiveness of the interactive multimedia supported by Canva is still considered low.
Pengembangan Buku Matematika Dasar Dengan Pendekatan Problem Solving Rajab Vebrian; Putri Cahyani Agustine; Iis Juniati Lathiifah; Saparido; Siti Hafifah
Journal of Mathematics Science and Education. Vol 9 No 1 (2026): Penelitian dan Karya kependidikan Matematika
Publisher : Universitas PGRI Silampari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62112/jmse.v9i1.930

Abstract

Learning mathematics is expected to develop students’ analytical thinking and problem-solving abilities; however, students still experience difficulties in understanding concepts and interpreting word problems into mathematical expressions. In addition, the lack of variation in problem-solving activities and the absence of specific teaching materials integrating a problem-solving approach make learning less effective. This study aims to develop a basic mathematics textbook using a problem-solving approach that meets the criteria of validity and practicality. The research employed development research based on Akker’s model, consisting of preliminary and formative study stages. The preliminary stage includes preparation and design, while the formative study consists of self-evaluation, expert review, one-to-one, small group, and field test. The results show that the developed textbook is valid and practical
Co-Authors Dhevario Rahmadika Feri Ardiansah Fitri Apriani Iis Juniati Lathiifah Novi Tutriani Putri Cahyani Agustine Risnina Wafiqoh Saparido Selvy Zananti Siti Hafifah