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Journal : ALGORITMA : Journal of Mathematics Education

KONSEP MATEMATIS PADA PROSES PEMBUATAN JENANG KUDUS: STUDI ETNOMATEMATIKA Masduki, Putri Nabila; Malasari, Putri Nur
ALGORITMA: Journal of Mathematics Education Vol. 5 No. 2 (2023): ALGORITMA Journal of Mathematics Education
Publisher : Faculty of Educational sciences, UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/ajme.v5i2.39488

Abstract

AbstractEthnomathematics is one of the alternatives that can be used to make mathematics learning innovations that link mathematics in everyday cultural activities. The purpose of this research is to find out the mathematical concepts that exist in the process of making Kudus jenang. The subjects of this study were three resource persons from three jenang businesses in Kudus, selected through purposive sampling technique. The data collection technique used interview, observation, and documentation techniques with research instruments including interview guidelines, observation guidelines, documentation, and field notes. Source and method triangulation techniques were used to test the validity of the research data. The results showed that there was a mathematical concept in the process of making Kudus jenang. The mathematical concepts applied in it are the concept of comparison, conversion, fractions, and calculation by enumeration as well as the concepts of algebra, linear programming, social arithmetic, combination, set, flat and spatial, translation and rotation. Abstrak Etnomatematika adalah salah satu alternatif yang dapat digunakan untuk membuat inovasi pembelajaran matematika dengan mengaitkan matematika dan aktivitas budaya sehari-hari. Tujuan penelitian ini untuk mengetahui konsep-konsep matematis yang ada pada proses pembuatan jenang Kudus. Subjek penelitian ini adalah tiga narasumber dari tiga tempat usaha jenang yang ada di Kudus dipilih melalui teknik purposive sampling. Adapun teknik pengumpulan data penelitian ini menggunakan teknik wawancara, observasi, dan dokumentasi dengan instrumen penelitian meliputi pedoman wawancara, pedoman observasi, dokumentasi, dan catatan lapangan. Teknik triangulasi sumber dan metode digunakan untuk menguji keabsahan data penelitian. Hasil penelitian menunjukkan terdapat konsep matematis pada proses pembuatan jenang Kudus. Konsep matematis yang diterapkan di dalamnya berupa konsep perbandingan, konversi, pecahan, dan perhitungan secara pencacahan serta konsep aljabar, program linier, aritmetika sosial, kombinasi, himpunan, bangun datar dan bangun ruang, translasi, dan rotasi.