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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Perseda : Jurnal Pendidikan Guru Sekolah Dasar EduBasic Journal: Jurnal Pendidikan Dasar Ethnomathematics Journal Jurnal Pengabdian Masyarakat PGSD Journal of Educational and Cultural Studies
Andika Arisetyawan
Universitas Pendidikan Indonesia
Religion Arts Humanities Education Mathematics Social Sciences Other

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Journal : Ethnomathematics Journal

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Ethnomathematics study in calendar system of Baduy tribe Andika Arisetyawan; Supriadi Supriadi
Ethnomathematics Journal Vol 1, No 1 (2020): March
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1067.241 KB) | DOI: 10.21831/ej.v1i1.28013

Abstract

The aim of this research is to study ethnomathematics in the calendar system of the baduy tribe. The study of ethnomathematics in our research used ethnography methods. We found a unique pattern in baduy calendar that the first day in the previous month + 2 days after the first day of the previous month equals to the first day in the next month, in which,  it is the reason why baduy people who have no mathematical knowledge from the formal school can predict, for an example,  the first day in the next months.
Co-Authors Diana Rosa Nuraisha Dwi Kurniasih Rifyan Firdaus Silfania Yuniar Supriadi Supriadi Supriadi Tiurlina Tiurlina Udin Syaefudin Sa'ud