Ahmad Faizin
Universitas PGRI Jombang

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PENGGUNAAN MEDIA RODA PECAHAN UNTUK MENINGKATKAN HASIL BELAJAR PECAHAN SISWA KELAS IV SEKOLAH DASAR Ahmad Faizin; Yuli Kurniawati; Inda Sari; RR Adetiyas Fara Ulil Muharromah; Ina Sulistiya; Nur Rokhmah; Lia Budi Tristanti
JP-MAS : Jurnal Pengabdian Kepada Masyarakat Vol 8 No 1 (2026): JP-MAS: Volume 8 Nomor 1 Edisi Mei 2026
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) Universitas PGRI Jombang)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32682/ddpynp08

Abstract

Low understanding of fraction concepts among elementary school students remains a common problem in mathematics learning. This condition is influenced by the abstract nature of fractions and the limited use of concrete learning media in schools. This Community Service program aimed to improve students’ learning outcomes and conceptual understanding of fractions through the implementation of Fraction Wheel Media. The method consisted of preparation, implementation, evaluation, and reporting stages. The preparation stage involved observation and interviews with teachers to identify learning problems. The implementation stage included developing the fraction wheel media, preparing usage guidelines, and assisting teachers in applying the media in classroom learning. Evaluation was conducted using pretests, posttests, and observation of students’ learning activities. The results showed a significant improvement in students’ learning outcomes, indicated by an increase in mastery learning percentage from a low initial condition to more than 75% after using the media. In addition, students demonstrated higher motivation, participation, and enthusiasm during learning activities. Teachers also gained new experiences in managing manipulative-based learning. Therefore, the fraction wheel media is effective as an alternative mathematics learning medium for fraction topics and has strong potential for sustainable implementation.
PENGEMBANGAN INSTRUMEN TES KEMEMPUAN BERPIKIR LOGIS MATEMATIS MATERI BANGUN DATAR PADA SISWA SMP Amirudin Heri Setyono; Ahmad Faizin; Lilis Nurajizah; Syarifatul Maf’ulah
INSPIRAMATIKA Vol. 12 No. 1 (2026): Inspiramatika: Jurnal Inovasi Pendidikan dan Pembelajaran Matematika, Januari-
Publisher : Program Studi Pendidikan Matematika FKIP Universitas Islam Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/inspiramatika.v12i1.12280

Abstract

This study aims to determine the development of a valid, practical, and effective mathematical logical thinking ability test instrument for flat geometry material for students at SMP Negeri 3 Mojoagung. This instrument is designed to objectively measure students' logical reasoning ability in solving problems related to geometric concepts of flat geometry. This research is a Research and Development (R&D) study, adapting the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model. The research procedure follows the ADDIE model development stages: Analysis, Design, Development, Implementation, and Evaluation. These stages are carried out sequentially and systematically to produce a valid, practical, and effective instrument. The results of this study indicate that the developed test instrument meets good quality criteria, namely the mathematical logical thinking ability test instrument (TKBLM) for flat geometry material is declared valid, practical, and effective. The validity of the TKBLM instrument can be seen from the TKBLM instrument validation percentage, which is 93%, categorized as very valid. The practicality of the TKBLM instrument can be seen from the percentage of the readability questionnaire, where 85% of students' results showed a ???? ≥ 75%. Meanwhile, the effectiveness of the media can be seen from the TKBLM results, where for each indicator, at least one student met the logical mathematical thinking indicator. Thus, this test instrument is suitable for use as an effective measurement tool to evaluate students' logical mathematical thinking skills in the material on plane figures. Keywords: Test Instrument, Logical Mathematical Thinking, Plane Figures.