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All Journal Paradikma: Jurnal Pendidikan Matematika Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education JURNAL MATHEMATIC PAEDAGOGIC JCRS (Journal of Community Research and Service) M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Jurnal Sosial Humaniora Sigli Journal of Elementary School (JOES) JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI JagoMIPA: Jurnal Pendidikan Matematika dan IPA Panrannuangku Jurnal Pengabdian Masyarakat FARABI: Jurnal Matematika dan Pendidikan Matematika Journal of Social Responsibility Projects by Higher Education Forum EduLine: Journal of Education and Learning Innovation Pedagogy : Jurnal Pendidikan Matematika Journal of Advanced Sciences and Mathematics Education PEDAGOGI: Jurnal Ilmiah Pendidikan Jurnal Pengabdian Masyarakat Inovasi Al Khawarizmi: Jurnal Pendidikan Matematika Wahana International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) International Journal of Community Service (IJCS) JGK (Jurnal Guru Kita) Jurnal Tahsinia OMEGA: Jurnal Keilmuan Pendidikan Matematika Jaliye: Jurnal Abdimas, Loyalitas, dan Edukasi QOSIM: Jurnal Pendidikan, Sosial & Humaniora International Journal of Sustainable Business, Management and Accounting
Putri, Jihan Hidayah
Program Studi Pendidikan Matematika, FKIP, Universitas Alwashliyah Medan, Indonesia
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EKSPLORASI ETNOMATEMATIKA PADA STRUKTUR DAN MEKANISME ALAT TENUN TRADISIONAL GEDOGAN KARO Lubis, Ulfa Annisa; Maharani, Israq; Rizqi, Nur Rahmi; Putri, Jihan Hidayah
Pedagogi: Jurnal Ilmiah Pendidikan Vol 12 No 1 (2026): Pedagogi: Jurnal Ilmiah Pendidikan (In Press)
Publisher : FKIP Universitas Al Washliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/pedagogi.v12i1.1366

Abstract

This study aims to explore and describe the mathematical concepts embedded within the Gedogan Karo weaving loom at the Jamin Gintings National Hero Museum. The primary focus is to identify the application of ethnomathematics in the tool's structure and the process of weaving traditional Karo cloth (Uis Karo). The methodology employed in this research is qualitative with an ethnographic approach. Data were collected through direct observation of artifacts in the museum, technical documentation, and a literature study regarding the weaving techniques of the Karo people to dissect the underlying mathematical elements. The results and discussion indicate an integration of formal mathematical concepts across four main aspects: (1) Geometry, through the formation of parallel lines in the warp threads and perpendicular relationships in the weft threads; (2) Geometric Transformation, evident in the symmetry, reflection, and translation patterns of the Uis Karo motifs; (3) Binary Logic, in the thread-lifting technique that resembles computer algorithm systems; and (4) Trigonometry, in the thread tension mechanism which depends on the leaning angle of the weaver's body. The conclusion of this study is that the Gedogan Karo loom is a manifestation of local wisdom that intuitively applies complex mathematical principles. The author suggests that these ethnomathematical exploration results be integrated into the formal mathematics education curriculum as contextual learning material. This is crucial for increasing students' interest in mathematics while simultaneously strengthening efforts to preserve Karo cultural heritage in the modern era.
CSR Board Committee Characteristics and Corporate Tax Disclosure Lubis, Porkas Sojuangon; Batubara, Enika Diana; Putri, Jihan Hidayah; Harahap, Yenni Ramadhani; Lubis, M. Azmi Ibadurrahman
International Journal of Sustainable Business, Management and Accounting Vol. 1 No. 2 (2025): International Journal of Sustainable Business, Management, and Accounting (IJSB
Publisher : CV Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijsbma.v1i2.117

Abstract

Background of study: Corporate tax disclosure is an essential element of transparent and sustainable governance, especially in emerging markets where concerns about tax avoidance remain prominent. CSR board committees are expected to play a role in strengthening responsible corporate behavior, including tax-related transparency. Aims and scope of paper: This paper aims to investigate the extent to which CSR board committee characteristics committee existence, member educational background, and member professional experience affect corporate tax disclosure. The scope of the study focuses on technology firms listed on the Indonesia Stock Exchange (IDX), a rapidly expanding sector facing growing expectations for responsible governance and accountability. Methods: The study employs a quantitative research design using secondary data obtained from annual reports and sustainability reports. A purposive sampling approach yielded 40 technology firms. Corporate tax disclosure was measured through a structured disclosure index, while CSR committee characteristics were operationalized using categorical and numerical indicators. Multiple regression analysis was conducted to test the proposed hypothese. Result: : The results show that the existence of a CSR committee, along with the educational level and experience of its members, has a positive and significant effect on corporate tax disclosure. These findings highlight the importance of CSR governance structures in promoting transparent tax practices. Conclusion: The study concludes that enhancing CSR committee competencies can strengthen tax disclosure quality. Firms and regulators should consider reinforcing CSR governance standards to support ethical and sustainable corporate behavior.
MSME BUSINESS TRAINING PROGRAM FOR MAKING BAGS FROM PANDAN LEATHER AND WOVEN TO INCREASE THE INCOME OF THE COMMUNITY IN VILLAGE KESATUAN PERBAUGAN DISTRICT, SERDANG BEDAGAI REGENCY Dewi Sundari Tanjung; Suriana; Jihan Hidayah Putri; Porkas Sojuangon Lubis; Rodi Syafrizal; Evida Rahimah; M.Tohir Ritonga
International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Vol. 5 No. 3 (2025): November 2025 - February 2026
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.19466372

Abstract

This community service program aims to improve the skills, creativity, and economic independence of the community in Kesatuan Hamlet II Village, Perbaungan District, Serdang Bedagai Regency, especially for women who are housewives and school dropouts. The activity was carried out through training in making bags from leather and woven pandan leaves that combine traditional and modern motifs. The implementation method used a participatory approach with the principle of adult learning, which involved stages of socialization, demonstration of bag-making techniques, online marketing training, and collaboration with the village government and related institutions. The results of the activity showed a significant increase in the participants' understanding and skills regarding environmentally friendly bag production techniques and entrepreneurial awareness. Based on the results of the questionnaire, the majority of participants stated that this activity was beneficial and desired to continue the business independently. This program not only increases community income but also encourages the preservation of local culture through crafts based on local natural resources. Thus, this training makes a significant contribution to the development of creative MSMEs, women's empowerment, and strengthening the sustainable economy at the village level.
Mindsponge framework: Tracing students’ proactive interference Pradina Parameswari; Ulumul Umah; Nurul Rafiqah Nasution; Susana Labuem; Analisa Fitria; Jihan Hidayah Putri
Journal of Advanced Sciences and Mathematics Education Vol. 6 No. 1 (2026): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v6i1.988

Abstract

Background: Many students have difficulty distinguishing between direct and inverse proportion problems. This difficulty can cause interference during problem solving. One form of interference is proactive interference, which occurs when previously learned information disrupts the understanding of new information. In proportion problems, students’ prior knowledge of direct proportion often influences how they approach inverse proportion tasks, leading them to apply incorrect strategies. Aim: This study aims to describe the process of proactive interference experienced by students when solving proportion problems using the Mindsponge framework. Method: This study used a qualitative descriptive approach. The participants were 32 eighth-grade students from Junior High School 3 Malang. The selected subjects were students who could correctly solve direct proportion problems but applied the direct proportion concept when solving inverse proportion problems. Data were collected through proportion problem tests and interviews. Students’ written work was analyzed using indicators from the Mindsponge framework, and the findings were triangulated by comparing students’ work with interview results. Results: The results show that proactive interference occurred at three stages of the Mindsponge framework: environmental, filtering, and mindset. At the environmental stage, students made errors in observing and understanding the problem. In the filtering stage, students incorrectly determined the quantitative relationship between variables. At the mindset stage, students relied on their prior knowledge of direct proportion and frequently used the cross-multiplication strategy. Conclusion: The study indicates that proactive interference occurs when previously learned concepts dominate students’ thinking processes. The Mindsponge framework helps explain how prior knowledge influences the way students interpret and apply new information when solving proportion problems. 
PENGEMBANGAN MODEL MISSOURI MATHEMATICS PROJECT (MMP) BERBASIS BUDAYA MELAYU DENGAN BERBANTUAN GAME EDUKATIF WORDWALL UNTUK MENINGKATKAN NUMERASI SISWA SMP SWASTA Al WASHLIYAH 8 MEDAN Nasution, Aurora Pradizka; Yumira Simamora; Jihan Hidayah Putri
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 04 (2025): Volume 10 No. 04 Desember 2025 Build
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i04.34297

Abstract

This study aims to develop a Missouri Mathematics Project (MMP) learning model based on Malay culture with the assistance of the educational game Wordwall to improve junior high school students’ numeracy skills. The research employed a Research and Development (R&D) method using the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The research subjects were 40 eighth-grade students of SMP Swasta Al Washliyah 8 Medan. The results showed that the developed MMP model based on Malay culture was valid, practical, and effective in enhancing students’ numeracy abilities. The model’s validity, obtained through validation by material experts, media experts, and cultural experts, reached an average of 96.6% (very valid category). The practicality of the model, assessed by teachers and students, achieved an average score of 88.6% (very practical category). The learning effectiveness was reflected in the improvement of students’ numeracy test results, with an N-Gain score of 0.86 (high category). The integration of Malay culture in mathematics learning provided a more meaningful context for students, while the use of Wordwall increased engagement and learning motivation. Therefore, this model is feasible to be implemented as an innovative learning alternative to improve students’ literacy and numeracy skills at the junior high school level.
CSR Board Committee Characteristics and Corporate Tax Disclosure Porkas Sojuangon Lubis; Enika Diana Batubara; Jihan Hidayah Putri; Yenni Ramadhani Harahap; M. Azmi Ibadurrahman Lubis
International Journal of Sustainable Business, Management and Accounting Vol. 1 No. 2 (2025): International Journal of Sustainable Business, Management, and Accounting (IJSB
Publisher : CV Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijsbma.v1i2.117

Abstract

Background of study: Corporate tax disclosure is an essential element of transparent and sustainable governance, especially in emerging markets where concerns about tax avoidance remain prominent. CSR board committees are expected to play a role in strengthening responsible corporate behavior, including tax-related transparency. Aims and scope of paper: This paper aims to investigate the extent to which CSR board committee characteristics committee existence, member educational background, and member professional experience affect corporate tax disclosure. The scope of the study focuses on technology firms listed on the Indonesia Stock Exchange (IDX), a rapidly expanding sector facing growing expectations for responsible governance and accountability. Methods: The study employs a quantitative research design using secondary data obtained from annual reports and sustainability reports. A purposive sampling approach yielded 40 technology firms. Corporate tax disclosure was measured through a structured disclosure index, while CSR committee characteristics were operationalized using categorical and numerical indicators. Multiple regression analysis was conducted to test the proposed hypothese. Result: : The results show that the existence of a CSR committee, along with the educational level and experience of its members, has a positive and significant effect on corporate tax disclosure. These findings highlight the importance of CSR governance structures in promoting transparent tax practices. Conclusion: The study concludes that enhancing CSR committee competencies can strengthen tax disclosure quality. Firms and regulators should consider reinforcing CSR governance standards to support ethical and sustainable corporate behavior.
Pengaruh Model Problem Based Learning Terhadap Kemampuan Berpikir Kritis Matematis Siswa Kelas VIII Jihan Hidayah Putri; Poppy Amalia; Dewi Purnama Sari
Jurnal QOSIM : Jurnal Pendidikan, Sosial & Humaniora Vol 4 No 3 (2026): 2026
Publisher : Yayasan pendidikan dzurriyatul Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61104/jq.v4i3.6460

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya kemampuan berpikir kritis matematis siswa dalam pembelajaran matematika. Salah satu upaya yang dapat dilakukan untuk meningkatkan kemampuan tersebut adalah dengan menerapkan model pembelajaran Problem Based Learning (PBL). Penelitian ini bertujuan untuk mengetahui pengaruh model Problem Based Learning terhadap kemampuan berpikir kritis matematis siswa kelas VIII SMP Bina Satria Mulia. Penelitian ini menggunakan metode kuantitatif dengan desain control group design. Sampel penelitian terdiri dari dua kelas, yaitu kelas VIII-1 sebagai kelas kontrol dan kelas VIII-2 sebagai kelas eksperimen dengan jumlah keseluruhan 28 siswa. Teknik pengumpulan data dilakukan melalui tes kemampuan berpikir kritis matematis berbentuk soal uraian. Data dianalisis menggunakan uji normalitas, uji homogenitas, dan uji-t berbantuan IBM SPSS Statistics 26. Hasil penelitian menunjukkan bahwa rata-rata nilai posttest kelas eksperimen lebih tinggi dibandingkan kelas kontrol, yaitu 68,75 > 52,50. Hasil uji-t memperoleh nilai signifikansi (2-tailed) sebesar 0,000 < 0,05, sehingga sehingga terdapat pengaruh signifikan. Dengan demikian, dapat disimpulkan bahwa model Problem Based Learning berpengaruh signifikan terhadap kemampuan berpikir kritis matematis siswa kelas VIII SMP Bina Satria Mulia.
Pengaruh Penggunaan Aplikasi Canva dalam Pembelajaran Matematika terhadap Motivasi Belajar Siswa Kelas VIII Poppy Amalia; Jihan Hidayah Putri; Robet
Jurnal QOSIM : Jurnal Pendidikan, Sosial & Humaniora Vol 4 No 3 (2026): 2026
Publisher : Yayasan pendidikan dzurriyatul Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61104/jq.v4i3.6461

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya motivasi belajar siswa dalam pembelajaran matematika serta kurangnya penggunaan media pembelajaran yang menarik dan interaktif di kelas. Penggunaan aplikasi Canva sebagai media pembelajaran digital diharapkan dapat meningkatkan motivasi belajar siswa. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan aplikasi Canva dalam pembelajaran matematika terhadap motivasi belajar siswa kelas VIII SMP Bina Satria Mulia. Penelitian ini menggunakan metode kuantitatif dengan desain control group design. Sampel penelitian terdiri dari dua kelas, yaitu kelas VIII-1 sebagai kelas kontrol dan kelas VIII-2 sebagai kelas eksperimen dengan jumlah keseluruhan 28 siswa. Teknik pengumpulan data dilakukan menggunakan angket motivasi belajar siswa yang disusun berdasarkan skala Likert. Data dianalisis melalui uji normalitas, uji homogenitas, dan uji-t menggunakan bantuan IBM SPSS Statistics 26. Hasil penelitian menunjukkan bahwa penggunaan aplikasi Canva memberikan pengaruh positif terhadap motivasi belajar siswa. Hal ini ditunjukkan dari meningkatnya persentase motivasi belajar siswa pada kelas eksperimen dibandingkan kelas kontrol setelah diberikan perlakuan. Selain itu, hasil uji-t memperoleh nilai signifikansi (2-tailed) sebesar 0,000 < 0,05 sehingga terdapat pengaruh signifikan. Dengan demikian, dapat disimpulkan bahwa penggunaan aplikasi Canva dalam pembelajaran matematika berpengaruh signifikan terhadap motivasi belajar siswa kelas VIII SMP Bina Satria Mulia.
Ethnomathematics: Uncovering Mathematical Patterns in the Barter Tradition of Tempu at the KAMU Market Ulfa Annisa Lubis; Israq Maharani; Jihan Hidayah Putri
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 2 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i2.1324

Abstract

Ethnomathematics is a field of study that examines the relationship between culture and mathematics. This research aims to uncover the mathematical patterns found in the barter tradition using Tempu as a medium of exchange at the KAMU Market. The method used is qualitative research with an ethnographic approach. Data were collected through direct observation, interviews, and documentation. The results show that, physically, all Tempu units have a uniform shape and size with a mutually agreed standard exchange value, where one piece of Tempu is worth Rp2,000.00. In its transactional practices, various implicit mathematical applications were found, namely basic multiplication operations, concepts of comparison and ratio, as well as an understanding of units and value standardization. This mathematical knowledge is formed from local wisdom and has become a part of the community's daily life without being consciously recognized as formal mathematics. The conclusion of this study is that the Tempu barter tradition contains rich ethnomathematical values and can be used as a contextual source for learning mathematics while preserving local culture.  
Co-Authors Adelina Ray, Sukma Agustina, Ruizhaica Analisa Fitria Anggita, Nabila Anna Sari Rambe Aslin Agina Br Ketaren Aurellia, Clarine Batubara, Enika Diana Bella Saragih, Risna Mira Dalimunthe, Nabila Faiza Dewi Purnama Sari Dewi Sundari Tanjung Dian Fatma Diva Diva, Dian Fatma Edi Syahputra Enika Diana Batubara Evida Rahimah Fitri, Syah ginting, talitha eriliyah wardhana br Harahap, Yenni Novita Irani, Abdul Razaky Isra Suna Hasibuan Israq Maharani Kalingga , Qori Rizqiah H Kamal Arief Khairul Anwar Khairun Nissa Khairun Nissa Nissa Khoiruddin Matondang Kusyani, Diah Lubis , Ulfa Annisa Lubis, Atipah Lubis, M. Azmi Ibadurrahman Lubis, Ulfa Annisa M. Azmi Ibadurrahman Lubis M.Tohir Ritonga Mhd Azmi Azwar Muhlizar Muhlizar mulyono mulyono Nasution, Aurora Pradizka Nissa, Khairun Nur Rahmi Rizqi Nurazizah Nurazizah, Nurazizah Nurhayati Nurhayati Nurul Rafiqah Nasution Poppy Amalia Poppy Amalia Porkas Sojuangon Lubis Porkas Sojuangon Lubis Pradina Parameswari Prasiska, Melani Prihatini, Syafrina Purba, Dhea Aulia Malem Putri Elmania Risna Mira Bella Saragih Risna Mira Bella Saragih Robet Robet Rokan, Najwah Safirah, Devi Sari, Tina Satia, Fatra Septia Damanik, Adelia Simamora, Minta Ito Siti Fatimah Zahara Sri Mariani Suci Rahmadani Suriana Susana Labuem Syafrizal, Rodi Syarah, Fatmah Ulfa Annisa Lubis Ulumul Umah Wati, Sartika Yenni Ramadhani Harahap Yenni Ramadhani Harahap Yumira Simamora Yusnika, Yusnika Zahra, Rana