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All Journal de Fermat : Jurnal Pendidikan Matematika Community Development Journal: Jurnal Pengabdian Masyarakat
Neneng Anastasyia
Universitas Pattimura
Humanities Economics, Econometrics & Finance Education Health Professions Mathematics Public Health Other

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PENINGKATAN PEMAHAMAN KONSEP KESEBANGUNAN BANGUN DATAR MELALUI KUIS INTERAKTIF BERBASIS QUIZIZZ Neneng Anastasyia; Eunike Ester Mataheru
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 7 No. 3 (2026): Inpress Vol. 7 No. 3 (2026)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v7i3.58252

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman konsep kesebangunan bangun datar melalui kuis interaktif berbasis Quizizz. Kegiatan dilaksanakan di SMP Laboratorium Universitas Pattimura dengan melibatkan 19 peserta didik kelas VII. Permasalahan yang ditemukan adalah peserta didik masih mengalami kesulitan dalam memahami perbandingan sisi, sudut-sudut yang bersesuaian, serta penerapan konsep kesebangunan dalam penyelesaian soal. Pelaksanaan kegiatan dilakukan melalui beberapa tahap, yaitu koordinasi dengan pihak sekolah, penyusunan soal, pemberian pretest, pembelajaran menggunakan Quizizz, review soal, posttest, dan pengisian kuesioner respons peserta didik. Hasil kegiatan menunjukkan adanya peningkatan rata-rata nilai dari 51,47% pada pretest menjadi 63,47% pada posttest. Jumlah peserta didik yang mencapai nilai minimal 60% juga meningkat dari 8 menjadi 13 siswa. Selain itu, respons peserta didik terhadap penggunaan Quizizz berada pada kategori sangat baik dengan rata-rata skor 3,50. Temuan ini menunjukkan bahwa Quizizz dapat membantu menciptakan pembelajaran matematika yang lebih aktif, menarik, dan menyenangkan. Penggunaan Quizizz yang disertai review soal juga dapat mendukung pemahaman konsep, motivasi, dan keterlibatan peserta didik dalam pembelajaran.
ANALISIS KESALAHAN MULTIDIMENSIONAL SISWA DALAM PEMECAHAN MASALAH ALJABAR: TINJAUAN DARI PERSPEKTIF REPRESENTASI SEMIOTIK Wa Ode Dahiana; Hanisa Tamalene; Neneng Anastasyia
De Fermat : Jurnal Pendidikan Matematika Vol. 9 No. 1 (2026)
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36277/defermat.v9i1.2494

Abstract

This study aims to uncover the multidimensional error patterns of students in solving algebra problems from the perspective of semiotic representation at various ability levels. This study used a qualitative approach involving 30 seventh-grade junior high school students. The research subjects were selected by purposive sampling, then six students were determined representing the high, medium, and low ability categories. Data were obtained through written tests and interviews, then analyzed based on Nolting's error classification, which includes misread direction error, careless error, concept error, application error, test procedure error, and transformation error. The results showed that students at all ability levels experienced difficulties in converting between representations (transformation error), especially from verbal to symbolic (algebraic expression) and symbolic to geometric expression. High-ability students were able to reason symbolically but failed to connect it to the visual context (graphical expression), while medium-ability students tended to use trial and error strategies that resulted in application errors. Students in the low-ability group showed concept errors and fundamental representation errors (transformation errors). In general, transformation errors were the most dominant type of error, followed by concept errors and application errors. These findings indicate that algebra learning needs to be designed by integrating various semiotic representations so that students' conceptual understanding can develop more deeply.
Co-Authors Eunike Ester Mataheru Hanisa Tamalene Wa Ode Dahiana