Article Per Year (5 Year)
p-Index From 2021 - 2026
11.047
P-Index
This Author published in this journals
All Journal International Journal of Evaluation and Research in Education (IJERE) Pythagoras: Jurnal Matematika dan Pendidikan Matematika Jurnal Pendidikan Matematika Journal of Education and Learning (EduLearn) Journal on Mathematics Education (JME) Jurnal Infinity Jurnal Didaktik Matematika Journal on Mathematics Education (JME) Khizanah al-Hikmah : Jurnal Ilmu Perpustakaan, Informasi, dan Kearsipan Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Varidika AlphaMath: Journal of Mathematics Education Jurnal Pendidikan Agama Islam Jurnal Elemen Jurnal Terapan Abdimas Journal of Research and Advances in Mathematics Education Jurnal Gantang Al-Jabar : Jurnal Pendidikan Matematika Journal of Medives Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Union: Jurnal Ilmiah Pendidikan Matematika MaPan : Jurnal Matematika dan Pembelajaran JRPM (Jurnal Review Pembelajaran Matematika) Numeracy : Jurnal Ilmiah Pendidikan Matematika IndoMath: Indonesia Mathematics Education BAREKENG: Jurnal Ilmu Matematika dan Terapan Formatif: Jurnal Ilmiah Pendidikan MIPA Journal of Honai Math IRJE (Indonesian Research Journal in Education) International Journal on Emerging Mathematics Education Beta: Jurnal Tadris Matematika Prima: Jurnal Pendidikan Matematika JOURNAL OF SONGKE MATH Indonesian Journal on Learning and Advanced Education (IJOLAE) Jurnal Inovasi Pendidikan Dasar JPMI (Jurnal Pembelajaran Matematika Inovatif) Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Southeast Asian Mathematics Education Journal Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika Edu Cendikia: Jurnal Ilmiah Kependidikan International journal of education and learning Journal of Pedagogy and Education Science JNPM (Jurnal Nasional Pendidikan Matematika) IndoMath: Indonesia Mathematics Education JRAMathEdu (Journal of Research and Advances in Mathematics Education) Jurnal Infinity Proceeding International Conference on Mathematics and Learning Research Mathematics Education Journal Journal on Mathematics Education
Rully Charitas Indra Prahmana
Universitas Ahmad Dahlan, Yogyakarta, Indonesia
Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

Published : 191 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 191 Documents
Search

 16   17   18   19   20 
Ethnomathematical insights from the tide-forecasting calendar of an Indonesian coastal community into mathematics classroom Kusaeri, Al; Putrawangsa, Susilahudin; Prahmana, Rully Charitas Indra; Pardi, Muhamamad Habib Husnial; Idrus, Sayid Wahyu Alwi Sidik Al
Journal on Mathematics Education Vol. 16 No. 2 (2025): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v16i2.pp581-602

Abstract

The integration of culturally embedded knowledge systems into mathematics education has gained scholarly interest in recent years; however, empirical research remains limited, particularly in the context of Indonesian coastal communities where traditional ecological knowledge is closely tied to astronomical and environmental cycles. Despite the growing prominence of ethnomathematics, there is a noticeable paucity of studies that systematically investigate the mathematical reasoning inherent in indigenous calendrical systems used for livelihood practices. Addressing this gap, the present study explores the ethnomathematical knowledge embedded in the calendrical practices of the Lungkak community in East Lombok, Indonesia. This system uniquely integrates local interpretations of the Pupuru (the Pleiades star cluster), lunar phases, the Hijri calendar, and the Gregorian calendar to predict seasonal transitions and tidal patterns crucial to artisanal fishing. Employing an ethnographic research design, data were gathered through purposive sampling, in-depth interviews, participant observation, and document analysis, and analyzed using interactive ethnographic techniques. The findings uncover sophisticated mathematical reasoning within the community’s calendrical system, including trigonometric concepts (angular relationships among celestial bodies), arithmetic and numerical sequences (predictive visibility patterns), modular arithmetic (cyclical astronomical forecasting), and set theory (classification of tidal phenomena). These insights reveal how formal mathematical concepts are embedded within cultural practices, demonstrating the community’s implicit engagement with abstract reasoning. This study contributes to the development of culturally responsive mathematics education by emphasizing the pedagogical value of integrating ethnomathematical content into classroom instruction. Such integration holds potential to enrich students’ mathematical literacy, foster contextual understanding, and support meaningful engagement with mathematical concepts through culturally relevant learning experiences.
Indonesian mathematics teachers’ knowledge of content and students of area and perimeter of rectangle Yunianto, Wahid; Prahmana, Rully Charitas Indra; Crisan, Cosette
Journal on Mathematics Education Vol. 12 No. 2 (2021): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Measuring teachers' skills and competencies is necessary to ensure teacher quality and contribute to education quality. Research has shown teachers competencies and skills influence students’ performances. Previous studies explored teachers’ knowledge through testing. Teachers' knowledge of the topic of area-perimeter and teaching strategies has been assessed through testing. In general, items or tasks to assess mathematics teacher knowledge in the previous studies were dominated by subject matter knowledge problems. Thus, it seems that the assessment has not fully covered the full range of teacher knowledge and competencies. In this study, the researchers investigated mathematics teachers’ Knowledge of Content and Students (KCS) through lesson plans developed by the teachers. To accommodate the gap in the previous studies, this study focuses on KCS on the topic of area-perimeter through their designed lesson plans. Twenty-nine mathematics teachers attended a professional development activity voluntarily participated in this study. Two teachers were selected to be the focus of this case study. Content analysis of the lesson plan and semi-structured interviews were conducted, and then data were analyzed. It revealed that the participating teachers were challenged when making predictions of students' possible responses. They seemed unaware of the ordinary students' strategies used to solve maximizing area from a given perimeter. With limited knowledge of students' possible strategies and mistakes, these teachers were poorly prepared to support student learning.
Ethnomathematics: Pranatamangsa system and the birth-death ceremonial in Yogyakarta Prahmana, Rully Charitas Indra; Yunianto, Wahid; Rosa, Milton; Orey, Daniel Clark
Journal on Mathematics Education Vol. 12 No. 1 (2021): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Mathematics exists as rooted in human ideas, ways, and techniques to respond to their environments. Along with its development, mathematics has been taught through formal education or schooling in the flat- not flexible ways and far from students' social and cultural lives. Indonesia is rich with culture, including the Special Region of Yogyakarta (DIY). It is called a city of culture. Educators are not yet aware of this richness in the learning process to integrate it as the starting point. It is hard to find in mathematics textbooks in Indonesia, which put cultural context as starting points. Therefore, this study aims to explore Yogyakarta's culture in terms of contexts used in mathematics learning. It is an ethnography study. Furthermore, the data was collected through literature artifacts, field observation, and interviews with resource persons who understand the seasons, system, and calculation of birth and death days. It is to clarify the researcher's understanding of the literature. This study showed that Yogyakarta's people use mathematical modeling to determine the seasons' system and funerary dates. These models have the potential to be used as a starting point in learning mathematics.
Learning geometry and values from patterns: Ethnomathematics on the batik patterns of Yogyakarta, Indonesia Prahmana, Rully Charitas Indra; D'Ambrosio, Ubiratan
Journal on Mathematics Education Vol. 11 No. 3 (2020): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In general, many people still view mathematics as a subject that is far from reality and culture in everyday life. Historically, in fact, mathematics is very close to daily life and was developed by humans in response to the surrounding phenomena. Indonesia has diverse cultures, including in Yogyakarta. This culture can be used to explore mathematical concepts as a transformational effort to bring mathematics closer to the reality and perception of its people. Besides, we can use culture as the basis of learning mathematics in schools. Therefore, this study seeks to explore a mathematical concept of geometry transformation in the Yogyakarta batik pattern. This is an ethnography study. The research data were collected through observations, literature studies, and interviews with the batik culture practitioner and artist to understand the batik techniques and moral, historical, and philosophical values in each batik motif. This study's results indicate that in Yogyakarta batik, it uses the concept of geometry transformation in the making of Yogyakarta's unique Batik motif. Besides that, each motif or pattern also contains local values. These, namely moral, historical, and philosophical values, can be felt, reflected, and applied in daily life, such as values that teach leadership, good deeds, and so on.
Learning of division operation for mental retardations’ student through Math GASING Nuari, Laila Fatika; Prahmana, Rully Charitas Indra; Fatmawati, Irma
Journal on Mathematics Education Vol. 10 No. 1 (2019): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to look at tenth-grade a mental retardation student in solving the problem of a division operation. The method used is Single Subject Research (SSR) with learning outcomes as variables that are measured and describe student learning activities in solving problems using Math GASING. The data collection technique is done by video recorder, documentation and test questions. The instruments are a video that is to see student activities during the study, photos to see the results of student work, and work the answer to see student answers to the questions given. Analysis of this research data is analyzed in conditions and between conditions. The results of the research carried out obtained that student experienced an increase in solving the division questions and the student gave a good response to the behavior carried out with Math GASING.
Adversity Quotient in Mathematics Learning (Quantitative Study on Students Boarding School in Pekanbaru) MZ, Zubaidah Amir; Risnawati, Risnawati; Kurniati, Annisah; Prahmana, Rully Charitas Indra
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijeme.v1i2.5780

Abstract

The aim of this study is to analyze students' Adversity Quotient (AQ) in mathematics learning viewed from gender aspect. This study is quantitative survey study on students in MTs Al-Munawarah Boarding School, Pekanbaru. The subjects of study are 8th grade students consisting of  75 girls and 63 boys. Data are collected by AQ scale and analyzed with statistic descriptive and inferential (test-t). The indicator of AQ consist of control, origin, ownership, reach and endurance. The result of descriptive analysis shows that there is difference in mean of each indicator for two groups, but analysis of test-t  shows that there is no difference in students' mathematical AQ for two group of gender. Through variance test, students' mathematical AQ in two groups is homogeneous. The indicator of AQ in boys which is categorized as high are endurance and reach. While, the indicator in girls is aspect of control. This study contributes to literature study in identifying students' AQ and the effort done to enhance students' AQ in mathematics learning.
Team Accelerated Instruction, Initials and Problem-Solves Ability In Junior High School Widodo, Sri Adi; Purnami, Agustina Sri; Prahmana, Rully Charitas Indra
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijeme.v1i2.6683

Abstract

This research aims to test the effectiveness of the Team Accelerated Instruction (TAI) towards the ability of the students to solve mathematics problems based on their initial ability. This study is an experiment with 367 students involved as the research sample taken using the cluster technique. The research variable is the problem-solving ability, the initial ability, and the learning model. Analysis of variance was used to analyze the data which leads to the conclusions that (1) the TAI is more effective than the Direct Instruction (DI); (2) the students having moderate initial ability performed better compared to the lower and the higher initial ability; (3) among the students with moderate initial ability, TAI was more effective to be used than DI; and (4) in the implementation of TAI and DI, the problem solving ability of the students is relatively similar.
How Students Solves PISA Tasks: An Overview of Students’ Mathematical Literacy Hendroanto, Aan; Istiandaru, Afit; Syakrina, Nisa; Setyawan, Fariz; Prahmana, Rully Charitas Indra; Hidayat, Agus Sofian Eka
International Journal on Emerging Mathematics Education IJEME, Vol. 2 No. 2, September 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijeme.v2i2.10713

Abstract

This article aims to investigate how mathematics education students in Universitas Ahmad Dahlan solve PISA mathematics problems. This research used the descriptive method with the qualitative approach and supported with quantitative data. Research subjects were 20 new students of mathematics education at Universitas Ahmad Dahlan in the 2016/2017 academic year. We translated the 2012 PISA instrument and used it to collect data on students’ mathematical literacy skills and to identify their difficulties. All the data were analyzed based on PISA’s framework. The result shows that, in general, 65.7% of students were able to understand the problems and plan their strategies to solve them. Meanwhile, only 46.9% among them could answer correctly. In addition, only 36.8% of the students were able to understand the level 6 problems while only 23.7% among them answered correctly. The students performed well in the interpretation process towards the problems with individual and social contexts. However, they found difficulties in the formulation and employment process of the problems, especially in the work and scientific context.
Developing Number Theory Textbook for Pre-Service Mathematics Teacher of International Program Prahmana, Rully Charitas Indra; Prasetyo, Puguh Wahyu; Istiandaru, Afit; Isnaini, Uha; Nurnugroho, Burhanudin Arif
International Journal on Emerging Mathematics Education IJEME, Vol. 5 No. 2, September 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijeme.v5i2.19779

Abstract

The long-term objective of this research is to produce valid, practical, and effective textbooks for courses in international program of mathematics education of Universitas Ahmad Dahlan. For the short-term, this research aims to produce valid and practical textbook for number theory course. The validity was based on the relevancy towards the students’ expected competence, while the practicality was measured from the implementation of learning using the textbook. This research used design research with the type of development studies. It followed four steps, i.e. (1) preliminary research, (2) prototyping stage, (3) summative evaluation, and (4) systemic reflection and documentation. In the preliminary research, we analyzed the need of the textbook in the international program and found that the textbook of number theory course is very needed. In the prototyping stage, we wrote the textbook based on the need analysis. The prototype was then discussed with expert and revised in the stage of summative evaluation and applied to the lecture meetings. The result was the final product of the textbook used for the stage of systemic reflection and documentation when we wrote all the results according to the preset research framework. Finally, the developed number theory textbook is valid and practical.
Effectiveness of guided discovery-based module: A case study in Padang city, Indonesia Kariman, Delsi; Harisman, Yulyanti; Sovia, Anny; Prahmana, Rully Charitas Indra
Journal on Mathematics Education Vol. 10 No. 2 (2019): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

One of the research objectives was formulated to improve the quality of education, namely by understanding the problems of students and teachers. There were three main groups of quality characteristics of education highlighted in scientific and academic literature in Russia, namely the quality of educational objectives, the quality of the educational process, and the quality of educational outcomes. The problem of education in Indonesia is the quality of the education process. The development of teaching materials is an alternative to improve the quality of the education process. Research so far has only focused on the implementation of learning models by teachers in the classroom, but the model is not integrated into the teaching materials used. This paper examines how the effectiveness of a product that has been developed for two years on 27 Indonesian students. The product produced is a guided discovery-based module in the Complex Analysis subject. This product was developed after the preliminary analysis (defining) process. Students are given 16 modules during lectures; then students are given a final test containing all the competencies that must be achieved. Test results are scored, and statistical analyses are conducted to compare them with student score before using the module. The test used is t-test. The design used is one of the experimental research designs, One Shot Case Study. The results of the study showed that students who were taught with modules developed effectively to improve student learning outcomes. Further research can be done by implementing different learning models in teaching materials.
Co-Authors A. Aidahani A.A. Ketut Agung Cahyawan W Aan Hendroanto Abdel-Hamid, Rasha Hashim Abdul Aziz Adrelia, Dyah Indah Afifah Hanun Afit Istiandaru Afit Istiandaru, Afit Ageng Triyono Agus Darwanto Agustina Sri Purnami Ahmad Azhari Ahmad Muhammad Diponegoro Ai Len Gan Ajeng Ramadhani Aji Prasetya Wibawa Alberta Parinters Makur Alfa Saleh, Alfa Alfiatun Fitriani Ulfah Alghiffari, Eka Kevin Andi Aras Andriyani Andriyani Anggraini, Padhila Angraini, Padhila Ani Susanti ANNISAH KURNIATI Annisah Kurniati Anny Sovia Anny Sovia Aras, Andi Ardhi Ardhian Arie Purwa Kusuma Armianti Armianti Armianti, Armianti Arnal-Palacian, Monica Awaji, Bakri M. Bautista, Guillermo Jr. Bedilius Gunur Begué, Nuria Benidiktus Tanujaya Binti Anisaul Khasanah Buhaerah Buhaerah Buhaerah Buhaerah, Buhaerah Burhanudin Arif Nurnugroho Busrah, Zulfiqar Cosette Crisan Crisan, Cosette D'Ambrosio, Ubiratan Daniel Asamoah Daniel Clark Orey Danty Rahmasantika Darhim Darhim Dawuh Nuril Wildan Dedi Muhtadi Dedi Muhtadi, Dedi Delsi K Delsi K Dewi Malihatuddarojah Digdayana, Infiks Unggul Duano Sapta Nusantara Dwi Astuti Dyah Indah Adrelia Endo, Hiroyuki Enggar Tri Aulia Epi Balingga Epi Balingga, Epi Euis Eti Rohaeti Evans, Brian Evans, Brian R. Farida Nurhasanah Fawziah Zahrawati B Fitri, Nur Lailatul Fitri, Nur Lailatul Fitriyah Fitriyah Fran, Frankie A. Habibi Habibi Hanun, Afifah Hanun, Afifah Haryani Mohammad Heris Hendriana Heris Hendriana Heris Hendriana Heriyadi Heriyadi Hidayat, Agus Sofian Eka Hildegardis Mulu Hildegardis Mulu HU Kalsum I Made Dharma Atmaja Ibrahim Ibrahim Alhussain Khalil Ibrahim Alhussain Khalil Idrus, Sayid Wahyu Alwi Sidik Al Indah Lestari Irma Fatmawati Irma Fatmawati Irma Risdiyanti Irma Risdiyanti Irwan Akib Isaeni, Nita Iswahyudi Joko Suprayitno Jeinne Mumu Jojo, Zingiswa Jumaisa Jumaisa Jumaisa, Jumaisa Kartika Dyah Wardani Khairullah Khalil, Ibrahim Alhussain Khasanah, Mirsatun Klara Iswara Sukmawati Kristina Kurniati Kurniawati, Venny Kusaeri, Al Kusaka, Satoshi Laela Sagita Laela Sagita Laila Fatika Nuari Laila Fatika Nuari Laksmiwati, Pasttita Ayu Lavicza, Zsolt Lekë Pepkolaj Lestari, Resti Madiana Lina Handayani Lisnani Lisnani Lo, Jane-Jane M. Norhailawati Mahardika, Elyne Kusuma Maisyarah, Siti Malihatuddarojah, Dewi Manikmaya, Pratita Maryati Maryati Maryati Maryati Maryati Maryati Masitah Shahrill Masitah Shahrill Masitah Shahrill, Masitah Maureen Siew Fang Chong Mayangwuri, Sotya Megawati - Megawati Megawati Meita Fitrianawati Miftahul Hidayah, Miftahul Milton Rosa Mónica Arnal-Palacián Mónica Arnal-Palacián Muhamad Saleh Muhammad Isa Muhammad Isa Mulia Putra Mumu, Jeinne Murni Murni Murni Musafir Rastuti Muya Barida Nguyen, Tien-Trung Niken Wahyu Utami Nisa Syakrina Novi Murniati Novi Murniati, Novi Noviyanti, Putu Ledyari Nuari, Laila Fatika Nuari, Laila Fatika Nur Lailatul Fitri Nur Lailatul Fitri Nur Robiah Nofikusumawati Peni Nurdiansyah Nurdiansyah Nuria Begué Nurnaningsih, Laila Nurul Fajri Oktarika Trissiana Oktavia Filda Yanti Oktavia Filda Yanti, Oktavia Filda Oktinasari, Hanifah Orey, Daniel Clark Padhila Angraini Padhila Angraini Pangestuti, Suci Pardi, Muhamamad Habib Husnial Payadnya, I Putu Ade Andre Pebrianto Pebrianto Pebrianto, Pebrianto Pepkolaj, Lekë Pepkolaj, Lekë Permita, Adinda Indah Petra Suwasti Petra Suwasti, Petra Puguh Wahyu Prasetyo, Puguh Pujiastuti, Nur Ika Puri Pramudiani Putranti, Sagita Dyah Putrawangsa, Susilahudin Rachmadi Widdiharto, Rachmadi Ragil Fitriani Rahayu, Winda Rahma Wahyu Rahmah, Nada Auliya Rahmasantika, Danty Rahmasantika, Danty Rahmi Purwitaningrum Rahmi Ramadhani Ramda, Apolonia Hendrice Ratu Ilma Indra Putri Resti Madiana Lestari Resti Madiana Lestari Retnawati, Sri Reza Lestari Risdiyanti, Irma Risdiyanti, Irma Risnawati Ahmad, Risnawati Risnawati Risnawati Risnawati Risnawati Ristiana, Novita Risty Mustika Hardini Rita Novita Rizqa Yunisha Robiansyah Robiansyah Robiansyah, Robiansyah Rosa, Milton Roy, La Rusli P. D. Kolnel Sabitzer, Barbara Sagita Dyah Putranti Sahar Abbas Ibrahim Samsul Arifin Schmidthaler, Eva Setialaksana, Wirawan - Setyawan, Fariz SH Bakri Shahidayanti, Tutik Silfanus Jelatu Siti Maisyarah Soeharto Sofwan Adiputra, Sofwan Sri Adi Widodo Sri Adi Widodo Sukirwan Sukirwan Sukirwan Sukirwan Sukmawati, Klara Iswara Sundari Gita Pertiwi Syakrina, Nisa Syakrina, Nisa Tanikawa, Kanako Teguh Wibowo Tika Septia Tika Septia Tri Sutanti Tri Sutanti, Tri Trissiana, Oktarika Tumangger, Wana Rukmana Ubiratan D'Ambrosio Uha Isnaini Ulfah, Alfiatun Fitriani Venny Kurniawati Wahid Yunianto Wahyu Hidayat Wahyu Hidayat Wahyu Hidayat Wahyu Hidayat Wahyu, Rahma Warsito Warsito Warsito Warsito Wildan, Dawuh Nuril Winda Rahayu Wiwik Wiyanti Wiwik Wiyanti, Wiwik Wiyatno, Toyo Yaya S Kusumah Yulyanti Harisman Yundari, Yundari Yunianto, Wahid Yunisha, Rizqa Yusuf Hartono Zahrawati B, Fawziah Zainuri Saringat Zubaidah Amir MZ Zubaidah Amir MZ Zulfiqar Busrah Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi