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Heru Sukoco
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INDONESIA
Ethnomathematics Journal
Published by Universitas Negeri Yogyakarta
ISSN : 27989755     EISSN : 27763676     DOI : https://doi.org/10.21831/
Core Subject : Education, Art, Social,
Arts Education Mathematics Social Sciences Other
Ethnomathematics Journal is an open access - international journal that provides a forum for publishing research reports, theoretical review, ideas, or innovation of mathematics education including ethnomathematics referring to the works of DAmbroisio and the colleagues. This journal is designed and devoted to lectures, researchers, school teachers, teacher educators, as well as university students who want to publish their original works or thoughts. Besides regular writers, the journals will also invite contributors who are experts in mathematics education either from Indonesia or abroad.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 50 Documents
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ANALYSIS ON STUDENTS’ NUMERACY SKILLS IN SOLVING PROPORTION PROBLEMS IN THE CONTEXTS OF CANDI UMBUL TRADITIONAL MARKET Fitria Sulistyowati; Irmawati Irmawati; Noka Setya Maharani; Muhammad Irfan
Ethnomathematics Journal Vol 4, No 2 (2023): September
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v4i2.59924

Abstract

The weaknesses in students' abilities in applying mathematical concepts and rules to non-routine problems caused them difficulties in solving them. This study was aimed at analyzing students' numeracy skills in solving proportion problems with the contexts of Candi Umbul Traditional Market. The study was qualitative descriptive research involving two seventh-grade students in Indonesia as research subjects. The two student subjects were selected from 10 students who completed the numeracy task, one with the most correct answer and one with the most incorrect answer. The ten students who completed the numeracy task were the ones with the highest test scores among 32 students in the topics of proportion and social arithmetics. The research instruments used in the study were students' work sheets (in the form of essay tests) and interviews. The data analysis technique used was descriptive analysis. Findings show that not every student with high math scores had high numeracy skills. This is evident from the fact that students faced problems when completing proportion items in the context of Candi Umbul Traditional Market; they encountered difficulties in solving the problems. The results of this study are expected to serve as a reference for further research on students' numeracy skills.
MODIFICATION OF POCUNG SONG IN ETHNOMATHEMATICS-BASED LEARNING FOR THE TOPICS OF LENGTH MEASUREMENTS Lilis Risma Putri; Hanifah Mar'atush Shalihah; Asma' Khoirunnisa'; Heru Sukoco
Ethnomathematics Journal Vol 4, No 2 (2023): September
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v4i2.59965

Abstract

Learning in measuring units of length is basically inseparable from familiar objects in the society, one of which is traditional songs. This study was aimed at finding whether using the tune of a traditional song in Yogyakarta, namely Pocung song, and modifying the lyrics with mathematical contents can facilitate students to think mathematically. This study used the pre-experimental design method with the one-group pre-test-posttest design model. The research subjects were 10 3rd grade students of a cultural elementary school in Gunungkidul. The results showed that the modification of the Pocung song in ethnomathematics-based mathematics learning in the length-unit competencies was developed in an audio-visual form which could be accessed via the YouTube and the implementation ofthe Pocung song modification in ethnomatematics-based learning in the length-unit competencies had a positive influence on students’ learning achievements.
ETHNOMATHEMATICS IN STRUCTURE AND CARVING PATTERNS OF TORAJAN TRADITIONAL HOUSE BUILDING Lidia Widia Sari
Ethnomathematics Journal Vol 4, No 2 (2023): September
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v4i2.59980

Abstract

Toraja is one of the tribes in South Sulawesi, precisely in Tana Toraja. The Tana Toraja people are very famous for their strong cultural customs; there are so many spiritual activities, a series of traditional ceremonies, and cultures that are still very well preserved among the local community. Tongkonan is a Torajan traditional house building that is very popular and always attracts attention, including people from outside Tana Toraja, because the shapes and motifs of the carvings are unique; the shapes and motifs of these carvings cannot be separated from mathematical elements. This study is aimed at identifying  the ethnomathematics contained in the carving patterns of the Tongkonan traditional house building. The research was qualitative with a descriptive method. The data collection technique used was a literature study. Results indicate that ethnomathematics in the structure of carving patterns on the Torajan traditional houses building can be integrated into various models of mathematics learning.
LINKING MATHEMATICS AND CULTURAL PRACTICES OF THE AGTA TABANGNON IN THE UPLAND COMMUNITIES OF GOA, PHILIPPINES Salvador II Villar Briones; Shane Catolico Briones; Marieta Pelon Palmes
Ethnomathematics Journal Vol 4, No 2 (2023): September
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v4i2.63235

Abstract

The main foundation of ethnomathematics is an awareness of the many ways of knowing and doing mathematics that relate to the values, ideas, notions, procedures, and practices in a diversity of contextualized environments. The ethnomathematical practices of the Agta Tabangnon refer to the form of varying mathematical concepts that are embedded in their cultural practices. This paper presents the results of the efforts in documenting the ethnomathematics of the Agta Tabangnon in Sitio Ruras, Barangay Hiwacloy, Goa, Camarines Sur, Philippines. The significant contributions and challenges relative to their ethnomathematical concepts and cultural practices were also discussed. The Agta Tabangnon is a society that manifests stable cultural practices that capture and address every facet of their daily lives. Their ethnomathematics are instances of cultural practices that are passed down from generation to generation and have had a significant impact on society. Their ethnomathematics and cultural practices are the way their cultural group mathematizes their own realities in order to survive earnestly, so learning their practices is one way for us to embrace cultural diversity in our increasingly interconnected world.
AN INTERCULTURAL TECHNOLOGICAL ELEMENT FOR THE LEARNING OF PROPORTIONALITY IN A RESERVATION OF THE EMBERÁ-CHAMÍ-COLOMBIAN ETHNIC GROUP Luis Hernando Carmona-Ramírez; Jorge Luis Bedoya-Serrano
Ethnomathematics Journal Vol 4, No 2 (2023): September
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v4i2.60455

Abstract

The panorama of ethno-education is compromising for the 115 native indigenous ethnic groups from Colombia, bearing in mind that some educational institutions have not advanced in the incorporation of their own knowledge in their intercultural curricula. The aim of this qualitative tradition (Educational Action Research) study was to implement a bilingual (Ebera-bedea/Spanish) Intercultural Technological Element (ITE) by using Geogebra in order to teach the concept of proportionality in an indigenous reservation of the ethnic group Emberá-Chamí. 13 students of basic secondary education belonging to ethnic group were included. Firstly, a diagnostic evaluation was performed to assess the initial knowledge of the students about the concept of proportionality in their own native language. Then the ITE was designed and applied to the students. The students were evaluated on three aspects (1) on their own knowledge, (2) on the affective and emotional aspect and on (3) their conceptions. In general, the students were able to contemplate the relationship between the topic developed (proportionality) and the activities of the culture with a reception of 77%. Regarding the emotional aspect 62% of the students see the solution of the guides as favorable since it promotes individual work as well as responsibility, and the other 38% perceive it moderately. On the other hand, the worldview and cosmogony conceptions were achieved in the 84% of the students.
DIVERSED ETHNOMATHEMATICS EXPLORATIONS OF BATAK CULTURES IN NORTH SUMATERA Br Ginting, Siti Salamah; Simanjorang, Mangaratua; Gultom, Syawal
Ethnomathematics Journal Vol 5, No 1 (2024): March
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v5i1.69259

Abstract

The Batak ethnic group has cultural diversity and is rich in the values of each culture, both in the products and processes, and cultural philosophies. The Batak ethnicity is divided into several sub-ethnicities, including Toba Batak, Karo Batak, Mandailing Batak, and Simalungun Batak. The distinctive characteristics of each ethnicity can be used as material for research by researchers to explore the elements of that culture. In the field of mathematics, culture can also be used as an object of study. The research method used in the present study is the systematic literature review (SLR) which is aimed at identifying, studying, evaluating, and interpreting research results by the topics being studied so that it will answer the research questions that have been determined. The results can be seen that the Batak ethnic cultural components have mathematical concepts in them such as, among others,  livelihood characters, traditional houses, traditional musical instruments, traditional foods, ulos cloth and ornaments. traditional dances, and traditional clothing. The mathematical concepts that are obtained from the exploration of Batak ethnic cultures include the concepts of lines, angles, congruence, spatial geometry, flat geometric shapes, spatial geometric shapes, geometric transformations, arithmetic sequences, and numbers. These diverse themes indicate that mathematics is our culture.
EXPLORING ETHNOMATHEMATICS IN THE TRADITIONAL GAME NAMED ENGKLEK Afghohani, Afif; Cahyaningrum, Fatwiyati Sholikhah; Astutiningtyas, Erika Laras
Ethnomathematics Journal Vol. 5 No. 2 (2024): September
Publisher : Ethnomath Association in cooperation with Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v5i2.66609

Abstract

This study examines some mathematical objects can be learned from the traditional engklek game activities in Kampung Dolanan Sidowayah. Specifically, the purpose of this study is to find out the mathematical elements that exist in the traditional game engklek, Using a descriptive approach, the subjects of this study were Budayawan, Kampung Dolanan Sidowayah Manager, and children around Kampung Dolanan Sidowayah. Data was studied using techniques following the Spradley model include domain analysis, taxonomic analysis, componential analysis, and cultural theme analysis. The results showed that the traditional game engklek contains mathematical elements, namely flat planes, semicircular elements, cube webs, congruence, geometric transformations, angles, relationships between lines, line segments, flat plane area, sets, odds, permutations, numerations, distances, and implications. Having this traditional game, students might develop perspective of mathematics in their culture.
INCORPORATING ETHNOMATHEMATICS AND REALISTIC MATHEMATICS EDUCATION ON DEVELOPING MATHEMATICS CONNECTION USING THE MENARA KUDUS Sari, Sellanidia Antika; Nisa’, Silvia Durrotun; As-salamah, Siti Fatimah; Maharani, Rizqona
Ethnomathematics Journal Vol 5, No 1 (2024): March
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v5i1.71862

Abstract

This research was motivated by students' low mathematical connections and lack of knowledge about the local culture around where they live. This research aims to develop a student digital worksheet using the concepts of ethnomathematics and Realistic Mathematics Education following  the ADDIE procedure. A number of 30 students of year five in a primary school in Kudus District, Province of Central Java, Indonesia, involved in the study. The learning material used the local cultural object namely Menara Kudus. This bulding is part of muslim gathering venue and known its adaptation to the Hinduism as it was built during the era. A digital worksheet is defined as a set learning activity that can be accessed using electronic gadgets, like computer or smartphone. Validation of the development resutls included experts and students to collect data on the feasibility assessment of the digital worksheet which consists of assessments by material experts and media experts. In addition, the use of web based interactive worksheets at Menara Kudus based on Ethno–RME shows a significant increase in students' mathematical connections. This means that the Ethno–RME based Digital worksheet at the Menara Kudus was declared feasible and can be used in mathematics learning.
EXPLORING JEPARA WOODCARVING ART AS AN ALTERNATIVE FOR CULTURE-BASED MATHEMATICS LEARNING Utami, Rahmi Nur Fitria; Muhtadi, Dedi; Solihah, Silvi
Ethnomathematics Journal Vol. 5 No. 2 (2024): September
Publisher : Ethnomath Association in cooperation with Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v5i2.76440

Abstract

Culturally-based mathematics learning becomes an important alternative to overcome students' learning difficulties. One relevant cultural product is Jepara Carving Art, which contains geometric concepts as part of ethnomathematics. This study aims to describe the mathematical concepts embedded in Jepara carving art and implement them as an alternative culturally-based mathematics learning method. Using a qualitative approach, data were collected through interviews, observations, and field notes, with the research subjects being Jepara carving artisans. The results show that the mathematical concepts integrated into Jepara carving art include points, lines, angles, slopes (gradients), plane geometry, circles, solid geometry, congruence, and geometric transformations such as reflection and rotation. Additionally, the ethnomathematics of Jepara carving art can be implemented as an alternative culturally-based mathematics learning method, where several ethnomathematical activities relate to school mathematics materials. These findings emphasize the importance of linking local culture with mathematics learning to enhance students' understanding. Therefore, this study recommends the inclusion of Jepara carving art in the curriculum as an effective strategy for culturally-based mathematics learning.
RUMAH GADANG: CONTEXTUAL MATHEMATICS IN A SOCIO-CULTURAL CONTEXT FOR NUMERACY ASSESSMENT Usman, Zea Zisman; Rahman, Hadi Nur
Ethnomathematics Journal Vol 5, No 1 (2024): March
Publisher : Universitas negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ej.v5i1.59976

Abstract

Numeracy is an important competency that is measured by Asesmen Kompetensi Minimum (AKM/Minimum Competency Assessment). To improve student numeracy, innovation is needed in learning mathematics, one of which is by using Ethnomathematics. The cultural object that becomes the benchmark is     Rumah Gadang. Before producing effective and efficient models, devices, and learning methods based on the ethnomathematics of Rumah Gadang oriented to student numeracy, it is necessary to conduct a study first, so this research aims to conduct a literature review related to numeracy in the Rumah Gadang. The data collection method is a literature study, where the data is analyzed through three stages, namely Data Reduction, Data Presentation and Verification. Based on this research, it was found that the results of the researchers' contextual exploration of Rumah Gadang can be associated with 4 domains of mathematics material, namely numbers, geometry and measurement, algebra and data and uncertainty. Therefore, Rumah Gadang can be used as a learning material that is quite varied in terms of contextual in ethnomathematics-based mathematics learning, especially in terms of writing socio-cultural context questions in a numeracy assessment.

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