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Fraktal: Jurnal Matematika dan Pendidikan Matematika
Published by Universitas Nusa Cendana
ISSN : -     EISSN : 27760073     DOI : https://doi.org/10.35508/fractal.v2i2
Core Subject : Education,
Mathematics
Fraktal: Jurnal Matematika dan Pendidikan Matematika adalah jurnal ilmiah dalam bidang matematika dan pendidikan matematika yang dikelola dan diterbitkan oleh Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan (FKIP), Universitas Nusa Cendana, Kupang, NTT. Ruang lingkup jurnal ini adalah penelitian terapan matematika, statistika, penelitian pendidikan matematika yang meliputi pembelajaran matematika, eksplorasi matematika, pengembangan media pembelajaran, analisis hasil pembelajaran, etnomatematika, serta bidang-bidang yang bersesuaian dengan pengembangan pembelajaran matematika dari berbagai jenis penelitian seperti survei, penelitian dan pengembangan, penelitian eksperimen, penelitian tindakan kelas, penelitian kualitatif dll.
Arjuna Subject : Umum - Umum
Articles 102 Documents
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Pengembangan Media Pembelajaran Matematika Berbasis Aplikasi Android Menggunakan I-Spring Pada Materi Sistem Persamaan Linear Dua Variabel Kelas VIII SMP Negeri 4 Rote Barat Laut Fanggi, Lerianto Yacob
Fraktal : Jurnal Matematika dan Pendidikan Matematika Vol 6 No 2 (2025): November 2025
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/fractal.v6i2.19654

Abstract

This research aims to develop mathematics learning media based on an Android application using I-Spring on two-variable linear equation systems material for class VIII students of SMP Negeri 4 Rote Barat Laut that is valid, practical and effective. The method used in this research is the Research and Development method using the ADDIE model. The data collection techniques and instruments used were interviews, questionnaires and tests. The data analysis techniques used are qualitative and quantitative data analysis techniques. The research results show that the learning media developed meets the eligibility criteria for learning media, namely valid, practical and effective. The average total validity by material and media experts was 4.41 in the "valid" category. The average total practicality of students in small classes is 4.615, the average total practicality of teachers in large classes is 4.67, and the average total practicality of students in large classes is 4.68 in the "practical" category. The percentage of student learning completeness in the small class trial was 100% with the "very effective" category and the large class trial was 75% with the "effective" category. Thus, the learning media developed is valid, practical and effective.
Analisis Kecakapan Komunikasi Matematis Siswa SMP dalam Menyelesaikan Soal Materi Relasi dan Fungsi Rahim, Essy Puspita
Fraktal : Jurnal Matematika dan Pendidikan Matematika Vol 6 No 2 (2025): November 2025
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/fractal.v6i2.24616

Abstract

The aim of this research is to analyze and describe the mathematical communication skills of junior high school students in relation and function material. The research subjects were 22 students of SMP Muhammadiyah 4 Pekanbaru class. The type of research is descriptive qualitative with data collection in the form of written tests and interviews. The written test was in the form of a description of 3 questions. Data analysis was done through data reduction, data presentation, and conclusion drawing. The results showed that students' overall mathematical communication skills were still low with an average of 23.48%. Students achieved indicator 1 (written text) by 28.41%, indicator 2 (drawing) by 35.23%, and indicator 3 (mathematical expressions) by 7.95%. Students' difficulties occurred when converting problem information into mathematical models, explaining the solution steps coherently, and using correct mathematical language. This was caused by limited prerequisite skills, low concept understanding, and poor writing skills.

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