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Edumatsains
Published by Universitas Kristen Indonesia
ISSN : 25277642     EISSN : 25277235     DOI : -
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry Education Mathematics Physics
Jurnal EduMatSains merupakan wadah untuk menampung dan mempublikasikan hasil karya baik berupa hasil penelitian maupun kajian teori yang original dalam ruang lingkup pendidikan matematika dan pendidikan sains (fisika, kimia, biologi) serta ilmu matematika dan ilmu sains (fisika, kimia, biologi) bagi semua civitas academika khususnya dosen, guru, peneliti dan mahasiswa. Jurnal EduMatSains terbit sebanyak dua kali dalam satu tahun (Juli dan Januari). Jurnal EduMatSains diterbitkan Oleh Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia.
Arjuna Subject : -
Articles 417 Documents
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Developing Augmented Reality-Based Learning Media to Overcome Fourth-Grade Elementary School Students’ Misconceptions Regarding the Ice Melting Phenomenon Intan Oktavia Choirunnisa; Subuh Anggoro
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8427

Abstract

This study aims to create learning media using ice melting materials for the fourth-grade students and test the effectiveness of the learning media in learning science. This research is conducted by Research and Development (R&D) method with ADDIE model. The population studied is the student of the grade IV students in Banyumas Regency Elementary School. The instruments in this study are in the form of expert validation sheets, conceptual understanding tests in the form of pre and posttests, and documentation. The data analysis techniques used were Wilcoxon Signed Rank Test and N-Gain analysis. Based on the research results, the media used in this study is a learning media based on AR can be seen as a media that can increase the conceptual understanding of students in the phenomenon of the melting of ice. The average N-Gain score is 0.77, which represents a significant improvement in learning outcomes and is considered high. The results of these findings indicate that the Augmented Reality based learning media has been developed successfully in reducing student misconceptions and increasing students' understanding of the material submitted.
Optimization of Gracilaria sp. Seaweed Salt Purification Analysis through the Integration of Hydroextraction and Recrystallization Methods to Meet the Indonesian National Standard (SNI) for Edible Salt nurhikmah hikmah; Rizka Octavia; Dwi Maryana; Ahmad Jusma Azhari; Erwin
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8454

Abstract

This study was motivated by the high potential of Gracilaria sp. seaweed as a source of high-quality raw material for edible salt production. However, the purification process of seaweed-derived salt often faces challenges due to the high content of non-NaCl minerals, causing the final product to fall short of the requirements specified in SNI 4435:2017 for consumption salt. Therefore, further research is needed to improve the quality and purity of the salt produced. The objectives of this study were to: (1) optimize the salt purification process from Gracilaria sp. through the integration of hydroextraction and recrystallization methods to enhance NaCl purity; (2) determine the effects of process parameter variations, including temperature, extraction time, and evaporation rate, on the quality of the resulting salt;and (3) develop technical recommendations for an efficient and environmentally friendly salt purification process. The study employed an experimental approach using a Completely Randomized Design (CRD) to evaluate variations in process temperature and duration. Salt obtained from the hydroextraction process was further purified through recrystallization to produce high-purity salt crystals. Quality analysis was conducted using gravimetric, titrimetric, and spectroscopic methods to determine NaCl content, mineral composition, and moisture content.The integration of hydroextraction and recrystallization methods effectively improved the purity of salt derived from Gracilaria sp. seaweed by increasing NaCl content and reducing impurities. The results demonstrated that the optimized purification process produced salt that met or closely approached the Indonesian National Standard (SNI) for edible salt.
Systematic Literature Review: Mapping Mathematical Literacy to Academic Ability Test (TKA) Readiness Vana Djaelani; Neneng Tita Rosita; Yusfita Yusuf
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8461

Abstract

Mathematical literacy is an essential skill for high school students as they prepare for academic assessments that demand more than just computational accuracy. This study aims to map research trends on mathematical literacy and identify components relevant to Academic Ability Test (TKA) readiness. Employing a Systematic Literature Review (SLR) approach, this study analyzed 215 articles sourced from seven databases, including Google Scholar, Scopus, DOAJ, Garuda, SINTA, ERIC, and ScienceDirect. Following a rigorous PRISMA-based filtering process, 25 high quality studies were included for thematic synthesis. The findings indicate that TKA readiness is fundamentally rooted in contextual reasoning, mathematical modeling, and non-routine problem-solving. Furthermore, the synthesis reveals that instructional strategies such as Problem-Based Learning, Realistic Mathematics Education, and STEM/STEAM are effective in fostering these cognitive capacities. These findings carry significant practical implications: educators should shift instruction from procedural drills to contextual-based reasoning tasks, specifically by integrating narrative decoding and mathematical modeling into the high school curriculum to better prepare students for high-stakes academic assessments.
The Effect Of Self-Efficacy And Creative Thinking Skills On Achievement In Mathematics Using Structural Equation Modeling (Sem) Rosiatuningsih; Norma Ayuwanda R; Wanda Nugroho Y
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8464

Abstract

The background of this study is grounded in the importance of strengthening students' internal factors that contribute to success in mathematics learning, particularly self-efficacy and creative thinking skills. These variables foster students' confidence, encourage them to explore diverse problem-solving strategies, and improve mathematics learning achievement. Employing a quantitative approach with Structural Equation Modeling (SEM) using IBM SPSS AMOS software, this study examined the effects of self-efficacy and creative thinking skills on mathematics learning achievement. The participants consisted of 200 students from SMKN 1 Purwokerto. The model evaluation indicated an excellent fit with the observed data, reflected by a CMIN/DF value of 1.086 with a probability of 0.325, a Comparative Fit Index (CFI) of 0.995, and a Root Mean Square Error of Approximation (RMSEA) of 0.022. Creative thinking skills significantly influenced mathematics learning achievement, with an estimated coefficient of 0.324 (p = 0.002). Furthermore, self-efficacy also had a significant positive effect on mathematics learning achievement (estimate = 1.247, p = 0.020). These findings confirm that strengthening students' self-efficacy and creative thinking skills can optimize mathematics learning achievement and provide practical implications for vocational school teachers in designing more effective mathematics learning.
Development of the MOGETRA (Transformation Geometry Monopoly) Game to Foster Mathematical Problem-Solving Skills Kamila Chairunisa
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8469

Abstract

Mathematical problem-solving skills are among the essential competencies that students need to develop in mathematics learning. However, classroom instruction remains dominated by teacher-centered approaches and limited use of interactive learning media, particularly in learning geometry transformations. This study was conducted to develop MOGETRA (Monopoly Geometry Transformation) as a Game-Based Learning medium intended to support the development of students' mathematical problem-solving skills. The study adopted a Research and Development (R&D) approach based on the ADDIE model, which comprises five sequential stages: Analysis, Design, Development, Implementation, and Evaluation. The developed media were validated by nine experts comprising three mathematics education lecturers and six junior high school mathematics teachers. A limited implementation was conducted involving 32 ninth-grade students of SMP Negeri 7 Pekalongan. Data were collected through observation, expert validation questionnaires, and student response questionnaires. Media validity was analyzed using Aiken’s V Index, whereas practicality was analyzed using descriptive percentage analysis. The results showed that the developed media achieved Aiken’s V values of 0.815 for media validity and 0.827 for content validity, indicating that the media were valid. In addition, the practicality score reached 77.9%, categorized as practical. The developed media integrate mathematical problem-solving indicators based on Polya’s theory into Game-Based Learning activities, thereby providing meaningful learning experiences that theoretically support the development of students’ mathematical problem-solving skills. Therefore, MOGETRA is feasible to be used as an innovative instructional medium for teaching geometry transformations in junior high schools.
Comparative Electro-Thermal Mathematical Modeling of Transient Temperature Distribution in Pouch and Cylindrical Li-Ion Battery Cells Eko Andi Prasetyo; Damora Rhakasywi; Fahrudin
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8492

Abstract

The increasing rate of internal heat accumulation during high-power discharge represents a major challenge in the design of Battery Thermal Management Systems (BTMS) for electric vehicles. Battery cell geometry plays a significant role in determining heat propagation pathways and heat dissipation characteristics. This study aims to conduct a comparative evaluation of the transient temperature distribution between cylindrical and pouch Lithium-ion battery cells using a one-dimensional (1D) electro-thermal mathematical model. The model was developed based on the principles of energy conservation and the Bernardi heat generation equation and was numerically solved using the Finite Difference Method (FDM) with an Explicit Euler scheme implemented in Python. Simulations were performed under various discharge rates (1C, 3C, and 5C). The results indicate that cylindrical cells are highly susceptible to the core thermal trapping phenomenon, reaching a maximum core temperature of 52.64°C at a 5C discharge rate, whereas the maximum core temperature of pouch cells was limited to 50.61°C under the same operating condition. Furthermore, the larger surface-area-to-volume ratio of pouch cells resulted in lower and more uniform surface temperature profiles. The developed 1D model was successfully validated against published three-dimensional finite element simulation data, yielding prediction errors ranging from 0.09% to 1.12%. Overall, the findings indicate that the proposed comparative 1D model provides reliable temperature predictions while requiring relatively low computational effort, making it a practical option for preliminary thermal analysis and battery pack design in electric vehicle applications.
Levels and Dimensions of Mathematics Anxiety among Students Enrolled in the Linear Algebra and Matrices Course Maimunah Maimunah; Laksita Nirmala Putri; Endang Sulistyaniningsih
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8511

Abstract

This study aimed to describe the dimensions of mathematics anxiety based on gender during the learning of Linear Algebra and Matrices. Mathematics anxiety is a psychological factor that influences students' thinking ability, self-confidence, and academic performance when dealing with mathematical problems. This study employed a quantitative descriptive approach involving 40 fourth-semester students at Universitas Indraprasta PGRI during the 2025/2026 academic year. Data were collected using a questionnaire consisting of 23 Likert-scale items measuring three dimensions of mathematics anxiety: somatic, cognitive, and attitudinal. The data were analyzed using descriptive statistics and classified according to the dimensions and measurement criteria of mathematics anxiety. The findings indicated that students' mathematics anxiety percentages ranged from 54.66% to 63.58%, suggesting that their mathematics anxiety levels were within the moderate to high categories. In the somatic dimension, the mathematics anxiety percentage was 55.00% for female students and 54.66% for male students. In the cognitive dimension, both male and female students exhibited the highest anxiety levels compared with the other two dimensions, with percentages of 62.91% and 63.58%, respectively. In contrast, in the attitudinal dimension, male students demonstrated a slightly higher percentage (56.69%) than female students (55.50%). Overall, students' mathematics anxiety was predominantly influenced by the cognitive and attitudinal dimensions. Therefore, efforts to reduce mathematics anxiety should focus on instructional strategies that enhance students' self-confidence, provide opportunities for gradual learning, foster a supportive and low-pressure classroom environment, and offer constructive support and positive feedback to help students overcome anxiety when solving mathematical problems.

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