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All Journal M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Indonesian Journal Education
Hasibuan, Havidah Adawiyah
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Education Mathematics Other

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Ethnomathematics Exploration of Making Traditional Ombus-ombus Cake Typical of North Tapanuli as a Source of Mathematics Learning Hasibuan, Havidah Adawiyah; Irvan, Irvan
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 1 (2025): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v10i1.717

Abstract

There has been a lot of research on ethnomathematics regarding ombusombus cake, but no one has studied their mathematical value from all aspects of the material other than 2D shapes or 3D shapes. This research aims o look for mathematical activities in North Tapanuli culture and focused on developing the ethnomathematics value of the traditional ombusombus food cake typical of North Tapanuli as a source of mathematics learning. The basic ingredient for making ombus-ombus is rice flour. This research is descriptive qualitative research with an ethnographic approach. Data collection techniques were carried out using observation, documentation, and literature review.  Data analysis techniques using Spradley design: domain analysis, taxonomy, compatibility, and cultural themes. Based on the results of data collection, there were several mathematical elements in the traditional ombus-ombus cake typical of North Tapanuli. The mathematical elements contained include the concept of comparison, flat shapes (triangles and squares), space shapes (quadrangular pyramids), social arithmetic concepts, measurement concepts, and counting concepts. In this way, Ombus-ombus can be used as a medium for teaching mathematics in the classroom.
Analysis to Realize Competitive Advantage Through Education Management Hasibuan, Havidah Adawiyah; Putri, Tiara Zakiah; Harahab, Ahmad Rifai; Elfrianto, Elfrianto
Indonesian Journal Education Vol. 3 No. 1 (2024): Indonesian Journal Education (IJE)
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ije.v3i1.650

Abstract

This research focuses on the study of management in educational leadership at school organizational levels. The aim is to analyze all leadership management indicators that determine school excellence. This research uses a library research method where researchers collect relevant data from books, journals, dissertations, theses and theses without conducting a field survey. Then the results of data collection were analyzed for suitability of the research topics and themes to the theme of this research. The results of the analysis show that leadership management indicators for realizing school excellence include aspects of organization, learning, human resources and infrastructure, and organizational culture.
Co-Authors Elfrianto ., Elfrianto Harahab, Ahmad Rifai Irvan, Irvan Putri, Tiara Zakiah