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All Journal AlphaMath: Journal of Mathematics Education Jurnal Elemen Al-Jabar : Jurnal Pendidikan Matematika Scholaria: Jurnal Pendidikan dan Kebudayaan POLYGLOT Union: Jurnal Ilmiah Pendidikan Matematika JOHME: Journal of Holistic Mathematics Education Indonesian Journal of Science and Mathematics Education Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Prima: Jurnal Pendidikan Matematika M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Diklat Review : Jurnal manajemen pendidikan dan pelatihan GAUSS: Jurnal Pendidikan Matematika SEPREN: Journal of Mathematics Education and Applied Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika Range : Jurnal Pendidikan Matematika Jurnal Anugerah: Jurnal Pengabdian Kepada Masyarakat Bidang Keguruan dan Ilmu Pendidikan Mosharafa: Jurnal Pendidikan Matematika MATH-EDU: Jurnal Ilmu Pendidikan Matematika Journal of Advanced Sciences and Mathematics Education Smart Society: Community Service and Empowerment Journal Brillo Journal JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) Jurnal Nusantara Berbakti Jurnal Pengabdian Masyarakat Ilmu Pendidikan JNPM (Jurnal Nasional Pendidikan Matematika) IndoMath: Indonesia Mathematics Education Hexagon: Jurnal Ilmu dan Pendidikan Matematika Jurnal Pendidikan MIPA Media Pendidikan Matematika
Siahaan, Meiva Marthaulina Lestari
Unknown Affiliation
Religion Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Comprehending Relations and Functions: Introducing and Demonstrating Papan Resi Teaching Aid Meiva Marthaulina Lestari Siahaan; Lailin Hijriani; Talisadika Maifa; Yosepha Patricia Wua Laja; Yohanis Ndapa Deda
Smart Society Vol. 2 No. 2 (2022): Smart Society
Publisher : FOUNDAE (Foundation of Advanced Education)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/smartsociety.v2i2.103

Abstract

The teachers need help to convey the differences between relations and functions and to make concrete examples. The purpose of the community service team is to help students find and comprehend the theory and concept about relations and functions material for grade 8 by introducing and demonstrating the Papan Resi visual aid.The service held in SMPK Aloysius Niki-Niki, Timor Tengah Utara District, Nusa Tenggara Timur. The service method is based on action research: planning, action, observation, and reflection. The data are collected based on the audiences' observation sheets and response sheets. Data analysis used data triangulation. The results of this community service are that introducing and demonstrating Papan Resi could be beneficial for increasing students' comprehension of SMPK Aloysius Niki-Niki. The constructivist situation influences it, and the service needs to be held for other teaching aids
Development of an Open-ended Numeracy Literacy Instrument: Context of Timorese Culture Meiva Marthaulina Lestari Siahaan; Cecilia Novianti Salsinha; Hendrika Bete; Lailin Hijriani
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 12, No. 1, May 2026
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v12i1.30429

Abstract

Addressing complex problems requires multiple and sustainable solution strategies, highlighting the importance of students’ numeracy literacy. However, existing assessment practices often fail to capture students’ higher-order thinking and problem-solving flexibility, particularly in algebraic contexts. An open-ended, locally wisdom–based instrument is considered appropriate for fostering students’ problem-solving abilities; however, it is rarely implemented in regular classroom instruction. Furthermore, research on the development of open-ended numeracy literacy instruments within Timorese culture remains limited. This study aims to develop and validate an open-ended numeracy literacy instrument in the algebra domain to address this gap. The study employed a design-based development approach using Tessmer’s formative evaluation, which includes preliminary study, expert review, one-to-one, small-group, and field-test stages. Qualitative data were obtained from expert validation, student feedback, and interviews, while quantitative data were collected through student response questionnaires and test results. The findings reveal that the developed instrument meets the criteria of validity, practicality, and reliability. Furthermore, the instrument demonstrates moderate difficulty and acceptable discrimination, indicating its effectiveness in distinguishing students’ abilities. This study contributes a valid and reliable open-ended assessment tool that can support the enhancement of students’ numeracy literacy and promote meaningful mathematics learning in algebra.
Co-Authors Ahsan, Zulkaidah Nur Ahzan, Zulkaidah Nur Aloisius Loka Son Amsikan, stanislaus - Angelika Rosa Da Lima Leli Astriani Dewi, Ni Putu Yuni Bete, Hendrika Cecilia Novianti Salsinha Damianus Dao Samo Danul, Yuliana Serli Deda, Yohanis Ndapa E. Elvis Napitupulu Eduardus Beo Seso Delvion Elin, Lailin Hijriani Emily Johnson Ermelinda Nainahas Farida Daniel Fitriani Fitriani Fitriani Fitriani Fitriani Funan, Fedelia Gusti Firda Khairunnisa Handayani, Rika Hermina Disnawati, Hermina Hesni Neno Hesni Neno, Hesni Hijriani, Lailin Hijriani, Lailin Juliana Mehelina Herlince Nenohai Klau, Kondradus Yohanes Klau, Maria Fransineti Hoar Kondradus Yohanes Klau Kristoforus Nofenaris Agung Kurnia Putri Sepdikasari Dirgantoro Ladja, Yosepha Patricia Wua Lailin Hijriani Leli, Angelika Rosa Da Lima Lidwina Felisima Tae Lidwina Felisima Tae LUDGARDIS LEDHENG Maifa, Talisadika Serrisanti Manek, Prudensius Manekat, Septianingsi Margarita Tampani Melda J Saragih Melda Jaya Saragih, Melda Jaya Merlin Helentina Napitupulu Minanur Rohman mone, ferdinandus Naifio, Elvira Riyani Mau Naimnule, Maria Nelciana Talan Oce Datu Appulembang, Oce Datu Patrisius Nulle Prudensius Manek Rika Handayani Riny Oktora Purba Rut Tae Selestina Nahak Simamarta, Justin Eduardo Simarmata, Justin Eduardo Solo, Maria Fransiska Venidora Tae, Rut Tamba, Kimura Patar Tambunan, Siska Nopa Br. Taniu, Deni Toni, Albertus Toni, Albertus - Wua Laja, Yosepha Patricia Yeni Missa Yohanes Jefrianus Kehi Yosepha P. W. Laja Yuliana Serli Danul Zulkaidah Nur Ahsan Zulkaidah Nur Ahzan