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Integrating local wisdoms for improving students’ mathematical literacy: The promising context in learning whole numbers Leton, Samuel Igo; Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Fitriani, Nelly
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p369-392

The gap in the decline in PISA scores is likely due to an abstract and contextually irrelevant approach to teaching mathematics, which often fails to connect everyday experiences that utilize the potential of local wisdom to make learning more engaging and culturally relevant. This research aimed to develop mathematics learning materials that integrate local wisdom to improve students' mathematical literacy skills. The study employed the Research and Development (R&D) method with the ADDIE development model. The developed learning materials incorporated elements of Timor local culture, including traditional houses, handwoven fabrics, and traditional games, as contextual tools to enrich the learning experience. The quality of the developed product was evaluated for three aspects: validity, practicality, and effectiveness. The validation results showed an average score of 93.1%, which is included in the very valid category. Product implementation showed a significant increase in trial results, with all students meeting the minimum competency criteria after using the learning materials. The final score of students' responses after using this developed product is 96.93%, categorized as very practical. The average N-Gain score of 0.76 significantly increased students' mathematical literacy skills. Feedback from students highlighted that learning materials inspired by local wisdom made the learning process more engaging and relatable. Teachers appreciated the inclusion of cultural elements, noting that they facilitated a deeper connection between mathematical concepts and students' everyday experiences. The research underscores the transformative potential of a culture-based approach in mathematics education.

Integrating local wisdoms for improving students’ mathematical literacy: The promising context in learning whole numbers Leton, Samuel Igo; Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Fitriani, Nelly
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p369-392

The gap in the decline in PISA scores is likely due to an abstract and contextually irrelevant approach to teaching mathematics, which often fails to connect everyday experiences that utilize the potential of local wisdom to make learning more engaging and culturally relevant. This research aimed to develop mathematics learning materials that integrate local wisdom to improve students' mathematical literacy skills. The study employed the Research and Development (R&D) method with the ADDIE development model. The developed learning materials incorporated elements of Timor local culture, including traditional houses, handwoven fabrics, and traditional games, as contextual tools to enrich the learning experience. The quality of the developed product was evaluated for three aspects: validity, practicality, and effectiveness. The validation results showed an average score of 93.1%, which is included in the very valid category. Product implementation showed a significant increase in trial results, with all students meeting the minimum competency criteria after using the learning materials. The final score of students' responses after using this developed product is 96.93%, categorized as very practical. The average N-Gain score of 0.76 significantly increased students' mathematical literacy skills. Feedback from students highlighted that learning materials inspired by local wisdom made the learning process more engaging and relatable. Teachers appreciated the inclusion of cultural elements, noting that they facilitated a deeper connection between mathematical concepts and students' everyday experiences. The research underscores the transformative potential of a culture-based approach in mathematics education.

The development of student activity sheet on trigonometric material based on local culture Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Leton, Samuel Igo
Desimal: Jurnal Matematika Vol. 4 No. 1 (2021): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v4i1.6791

Mathematics and culture are two different things, but they have a very close relationship in everyday life included in learning activities. Therefore, this research aims to describes the process and results of developing student activity sheets based on local culture on Simple Trigonometric Function Graphs. This research type is research and development. The product developed in this research is a student activity sheet based on local culture on Simple Trigonometric Function Graphics. Student activity sheets are developed based on a modified 4-D development model, which consists of defining, designing, and developing. At the definition stage; conducted a preliminary analysis, student analysis, material analysis, task analysis and specification of learning objectives. At the design stage; The preparation of student activity sheets based on local culture is carried out, selecting the format and then doing the initial design. At the development stage; The design results are validated by the expert and then revised according to the expert's notes. From the results of the research and data analysis conducted by researchers, it was found that the student activity sheets developed had met the criteria for good learning tools because they were declared valid, practical and effective.

Pendalaman Konsep Matematika bagi Para Guru Sekolah Dasar Uskono, Irmina Veronika; Leton, Samuel Igo; Lakapu, Meryani; Djong, Kristoforus Djawa; Jagom, Yohanes Ovaritus; Dosinaneg, Wilfridus Beda Nuba
Prima Abdika: Jurnal Pengabdian Masyarakat Vol. 3 No. 4 (2023): Volume 3 Nomor 4 Tahun 2023
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Universitas Flores Ende

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/abdika.v3i4.3521

Mastery of mathematical concepts and skills in solving mathematical problems are basic abilities that must be possessed by mathematics teachers. Teachers must be able to provide strategies in producing solutions related to problems that become problems among students so that they are able to participate in learning activities properly. SD St. Angela Atambua is one of the education providers that wants to realize the goals of education. But in reality there are still many obstacles faced by St. Angela Elementary School teachers regarding the right strategies in overcoming students' problems, especially in concept mastery. Therefore, the service team together with the teachers of SD St. Angela Atambua tried to solve the problems of students by conducting training and mentoring in order to build a new mindset in solving every problem related to mathematics learning. The expected goal is that teachers are able to overcome the problems faced by students. The method used in this service is training and mentoring. Some of the positive things obtained from the implementation of this service include; 1) teachers are very enthusiastic in participating in activities because they get new information. 2) the service team provided assistance according to the problems experienced by the partners. 3). teachers are able to implement the concepts that have been obtained so that they can develop ideas and creativity by utilizing existing learning media as a form of solution to the problems experienced. With this math concept planting training, it is able to answer the challenges faced by partners so that students can take part in learning more enthusiastically and enthusiastically and can increase interest, motivation to learn, especially understanding of mathematical concepts to be better.

Mathematical Literacy Skills of Junior High School Students in Border Schools in Solving Minimum Competency Assessment-Based Problems Leton, Samuel Igo; Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Fitriani, Nelly; Amsikan, Oktovianus Yongki
Jurnal Pendidikan MIPA Vol 25, No 2 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

Literacy skills are one of the mathematical abilities that all students need to have in today's global era. However, not all students in border schools have good mathematical literacy skills. This type of research is descriptive qualitative which aims to get an overview of the mathematical literacy skills of students in border areas in solving Minimum Competency Assessment-based problems and also identify factors that influence these skills. This study involved all 57 seventh grade students in the first semester of SPMN Lorontuan Atambua - NTT. The test questions were four numbers in the form of true and false, multiple correct answers and short form. The results of the analysis found that some of them could not read fluently; not all students had a good understanding of basic mathematical concepts; lack of learning experience of contextual problems or story problems that caused them to have difficulty understanding the problem, choosing the mathematical concept used to answer the problem and could not analyze the information provided. The reconstruction that we provide is the need to build a strong mathematical understanding by designing mathematics learning that integrates local wisdom and technology and provides them with varied learning experiences on story problems. Keywords: math skills, literacy, schools at the border. DOI: http://dx.doi.org/10.23960/jpmipa/v25i2.pp728-751

How to Build Mathematical Abilities in Deaf Students? A Grounded Theory Leton, Samuel Igo
Jurnal Pendidikan Progresif Vol 12, No 2 (2022): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

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How to Build Mathematical Abilities in Deaf Students? A Grounded Theory. Objective: This study aims to produce a conceptual model as a strategy for building mathematical abilities in deaf students. Methods: This is qualitative research with a grounded theory design involving 45 deaf students from four middle schools in Indonesia. Findings: The results of the data analysis at the open coding stage obtained five categories of visual, feeling, understanding, learning experience, and habits in learning mathematics. At the axial coding stage, mathematical understanding was used as the core category. While at the selective coding stage, a conceptual model was built where each category contributes to building mathematical abilities. Conclusion: That efforts are crucial to develop the mathematical abilities of deaf students comprehensively. This can be done by visualizing the problems, connecting the problems with the student environment, providing learning experiences with various questions, giving motivation, and increasing self-confidence using praise and more attention from parents or teachers. Keywords: deaf student, grounded theory, mathematical abilities.DOI: http://dx.doi.org/10.23960/jpp.v12.i2.202240

ELEMENTARY SCHOOL TEACHERS’ AND MATHEMATICS TEACHER CANDIDATES’ UNDERSTANDING OF DIVISION WITH REMAINDERS Djong, Kristoforus Djawa; Lakapu, Meryani; Uskono, Irmina Veronika; Jagom, Yohanes Ovaritus; Dosinaeng, Wilfridus Beda Nuba; Leton, Samuel Igo
Prima Magistra: Jurnal Ilmiah Kependidikan Vol. 6 No. 4 (2025): Volume 6 Number 4 (October 2025)
Publisher : Program Studi PGSD Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/jpm.v6i4.6277

Mathematics is studied from basic education to higher education. Understanding math concepts is important to learn because it is related to numeracy skills and also to form the basis of understanding at a higher level. One of the important materials to study is division, especially remainder division. This study aims to analyze and compare the understanding of elementary school teachers and prospective mathematics teachers in solving division problems with remainders. This research is a descriptive qualitative. Data were collected through descriptive tests and in-depth interviews with 13 elementary school teachers and 19 mathematics education study program students. The results showed that 92.3% of teachers used the porogapit method in solving the remaining division problems, and the rest used the Gasing method. Meanwhile, 63.16% of student teachers used the porogapit method and the rest showed more method variations. Although student teachers tended to be more thorough in completing the work, errors were still found due to inaccuracy and lack of conceptual understanding. Both groups have not shown a thorough mastery of the concept of remainder division. These findings provide a basis for improving the quality of mathematics learning.

Hubungan Manajemen Mutu terhadap Kinerja Guru Kapitan, Laura V; Leton, Samuel Igo; Tule, Philipus; Gaspersz, Vincent
Journal of Education Research Vol. 5 No. 2 (2024)
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37985/jer.v5i2.1129

Penelitian ini bertujuan untuk mengetahui hubungan manajemen mutu dan kinerja guru. Penelitian ini merupakan penelitian korelasional. Korelasi Rank Sperman digunakan dalam mencari hubungan atau untuk menguji signifikansi hipotesis asosiatif, sebelum melakukan uji korelasi rank sperman terlebih dahulu dilakukan uji validitas dan uji relibilitas kusioner/angket yang merupakan instrument dari penelitian ini. Adapun sampel yang digunakan dalam penelitian ini yaitu semua guru yang ada di SD Inpres Fatufeto dua Kupang yang berjumlah dua puluh orang. Hasil penelitian ini menunjukkan bahwa terdapat hubungan yang sangat kuat antara manajemen mutu dan kinerja guru. Sehingga dapat disimpulkan manajemen mutu yang ada di SD Inpres Fatufeto dua Kupang sangat berpengaruh dan memiliki hubungan yang erat terhadap kinerja para guru.

Belajar Matematika Sambil Bermain Bersama Siswa Sekolah Dasar dan Sekolah Menengah Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Uskono, Irmina Veronika; Jagom, Yohanes Ovaritus; Leton, Samuel Igo; Djong, Kristoforus Djawa
LOSARI: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 2 (2023): Desember 2023
Publisher : LOSARI DIGITAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53860/losari.v5i2.171

The purpose of this activity is to improve students' numeracy skills by using fun methods. This activity starts from situation analysis, activity design, socialization, implementation, and evaluation of activities. The result of this activity is that it can improve students' numeracy skills. Students are faster in solving the problems given. The team hopes that tutoring activities like this can be carried out sustainably in the future. Students gave a positive impression and requested that this teaching and learning activity be sustainable because it really helped them in understanding basic concepts

PENERAPAN PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK BERBASIS ETNOMATEMATIKA UNTUK MENINGKATKAN HASIL BELAJAR SISWA Saubaki, Ellen A; Leton, Samuel Igo; Aleksius, Madar
Jurnal Ilmiah Pendidikan Citra Bakti Vol. 11 No. 2 (2024)
Publisher : STKIP Citra Bakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38048/jipcb.v11i2.3633

Tujuan dari penelitian ini untuk mendeskripsikan penerapan pendekatan Pendidikan Matematika Realistik (PMR) berbasis etnomatematika untuk meningkatkan hasil belajar siswa SMA Negeri 2 Kupang Tengah. Metode penelitian yang digunakan adalah Penelitia Tindakan Kelas (PTK) mengacu pada model Kemmis & McTaggrat, dengan jenis data kualitatif dan kuantitatif. Penelitian ini dilaksanakan di SMA Negeri 2 Kupang Tengah. Pelaksanaan Penelitian Tindakan Kelas (PTK) ini dilaksanakan dengan 4 tahap yaitu : Perencanaan (planning), Pelaksanaan Tindakan (action), Pengamatan (Observation), dan Refleksi (reflection). Hasil penelitian menunjukkan penerapan pendekatan Pendidikan Matematika Realistik (PMR) berbasis etnomatematika dapat meningkatkan hasil belajar SMA Negeri 2 Kupang Tengah. Hal ini dibuktikan dengan presentase belajar siswa yang tuntas pada siklus I yaitu 68.75% kemudian pada siklus II meningkat menjadi 84,375%.

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