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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.
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Articles 30 Documents
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Search results for , issue "Vol 10 No 3 (2026): January" : 30 Documents clear
The Effectiveness of Differentiated E-LKPD Using Liveworksheets on Junior High School Students’ Statistical Literacy in Data Presentation Sari Muliawanti
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7638

Abstract

Indonesian students’ low statistical literacy, as revealed by PISA 2022 with only 18% achieving Mathematics competency at level 2, presents an urgent educational challenge. The dominant use of printed teaching materials limits students’ digital learning experiences with varying levels of initial understanding. This study developed differentiated E-LKPD (Electronic Student Worksheets) using Liveworksheets on Data Presentation topics through Research and Development with ADDIE model. Participants were 7th grade students of SMP Gunungjati 1 Purwokerto in the 2024/2025 academic year. Data collection instruments included interview instruments, needs analysis questionnaires, validation questionnaires, student response questionnaires, and statistical literacy tests. The product achieved very high validity based on Aiken’s index for content (0.91), media (0.94), and language (0.90). Practicality received 86% with very practical criteria. The product’s effectiveness showed statistical literacy improvement with N-Gain of 0.60 (moderate). The differentiated E-LKPD using Liveworksheets proved valid, practical, and effective in enhancing statistical literacy skills of junior high school students. This digital, interactive approach successfully accommodates diverse student readiness levels, providing an innovative solution for personalized mathematics learning that bridges the gap between traditional instruction and students’ digital learning needs.
The Impact Of Pesticide Residue Accumulation On The Reduction Of Blood Cholinesterase Enzyme Levels In Dragon Fruit Farmers In Karo Land Radina Yuni Mahesa Ginting; Sanna Kamisna Royani Purba; Mira Hastari Ginting; Atri Gustiana Gultom
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7644

Abstract

Pesticide use has a negative impact on dragon fruit farmers. According to the World Health Organization (WHO), an estimated 1-5 million people experience pesticide poisoning annually, with a mortality rate of 220,000 deaths. Individuals experiencing pesticide poisoning will have low cholinesterase levels. This decreased enzyme activity can lead to nervous system disorders, poisoning, and even death. This study aimed to determine the effect of pesticide accumulation on the decline in cholinesterase enzyme levels among dragon fruit farmers in Berastepu Village, Tanah Karo. Blood samples were examined at the MCI Indonesia Clinical Laboratory. A descriptive approach was used in this study, with blood samples collected from dragon fruit farmers. The results showed that 11 farmers had normal cholinesterase levels, while 4 farmers had abnormal levels. The average values ​​were normal (170.0-420 U/L) and abnormal (<170.0-420 U/L). The conclusion of the study with 15 samples was the cholinesterase levels in farmers who were exposed to pesticides 1-3 times a week with an age range of 31-40 years and 41-50 years.
ANALYSIS OF JUNIOR HIGH SCHOOL STUDENTS’ PROPORTIONAL REASONING ABILITY IN SOLVING DIRECT AND INVERSE PROPORTION PROBLEMS REVIEWED FROM FIELD INDEPENDENT LEARNING STYLE Wahyuni Sini; Nancy Katili; Putri Ekawaty Kobandaha
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7665

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan penalaran proporsional siswa SMP dalam menyelesaikan masalah perbandingan langsung dan terbalik yang ditinjau dari gaya belajar lapangan independen (FI). Metode penelitian yang digunakan adalah deskriptif dengan pendekatan kualitatif. Data dikumpulkan melalui tes penalaran proporsional dan wawancara. Subjek penelitian adalah enam siswa kelas tujuh SMP Negeri 1 Botupinge tahun ajaran 2025/2026, yang dipilih secara purposif berdasarkan tingkat kemampuan tinggi, sedang, dan rendah serta memiliki kecenderungan gaya belajar FI. Data dianalisis secara kualitatif dengan memperhatikan indikator pemahaman kovariasi, pemikiran relatif, dan penyediaan penalaran konseptual. Hasil penelitian menunjukkan bahwa siswa dengan kemampuan tinggi menunjukkan penalaran proporsional yang kuat dan konsisten di hampir semua indikator. Siswa dengan kemampuan sedang mampu menyelesaikan masalah secara prosedural, tetapi pemahaman konseptual mereka belum stabil. Sementara itu, siswa dengan kemampuan rendah belum menguasai penalaran proporsional dan cenderung menyelesaikan masalah secara mekanis tanpa memahami hubungan antar besaran. Temuan ini menunjukkan bahwa kecenderungan independensi bidang berkaitan dengan variasi kemampuan penalaran proporsional siswa, dan siswa dengan kemampuan sedang dan rendah membutuhkan intervensi pembelajaran yang lebih terstruktur. Kata kunci: Penalaran proporsional, perbandingan, independen bidang, kemampuan siswa, kualitatif
The The Effect of the RADEC Learning Model on Students' Critical Thinking Skills: Case Study of the RADEC Learning Model in High Schools Veby Turambi; Linda Dwi Saputri
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7675

Abstract

The study utilized a quasi-experimental design featuring pretest-posttest with control groups, involving 71 eighth-graders divided between RADEC experimental and conventional control classes. Analysis revealed a significant gain in critical thinking abilities in the experimental group, confirmed by a paired t-test p-value of 0.000 < 0.05. The RADEC model proved effective by promoting active student involvement in grasping and critically applying math concepts, making it a recommended innovative approach for enhancing junior high school mathematics education.
Identification and Prevalence of Parasites in Black Tiger Shrimp (Penaeus monodon) in Ponds of Medan Labuhan District Yuspa Dini Rezeki; Syukriah
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7678

Abstract

This study aims to identify the types and prevalence of parasites in tiger shrimp (Penaeus monodon) cultivated in ponds in Medan Labuhan District. Sampling was carried out at three semi-intensive pond locations with a total of 150 shrimp measuring 10-15 cm. Parasite identification was carried out through microscopic examination of the carapace, legs, and tail organs. In addition, pond water quality (temperature, pH, salinity, DO, ammonia, nitrate, and nitrite) was measured to assess its relationship with the presence of parasites. The results of the study found two types of parasitic protozoa, namely Epistylis sp and Zoothamnium sp with prevalences of 12.5% and 8.3%, respectively. Parasites mainly attach to the tail and legs which have fine hairs as attachment sites. Water quality analysis showed that ponds with low dissolved oxygen levels and acidic pH have a higher risk of infection. These findings emphasize the importance of water quality management, especially DO, pH, and nitrite to suppress parasite attacks and maintain the health of tiger shrimp.  
A Contextual Project-Based Instructional Design Model Construction and Validation to Develop Students Creativity Permata Nugrahani; Sunardi; Fatma Sukmawati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7688

Abstract

Lack of mathematical creativity in the System of Linear Equations in Three Variables is a very important concern at SMA Pangudi Luhur St. Yosef Surakarta, mostly because of teaching by formula and the abstractness of the matter. The aim of the research was to design a Contextual Project-Based Learning (CoPjBL) approach to overcome the problems. This research employed a Research and Development (R&D) approach. Validity of the approach was checked by six experts, including two instructional designers, two subject matter experts in mathematics, and two education experts. Data analysis was done in a quantitative way by Aiken’s V index. It was developed to combine seven context pillars, including Constructivism, Inquiry, Questioning, Learning Community, Modeling, Reflection, and Authentic Assessment into its learning syntax. Results of validity testing proved to be very valid overall, showing an Aiken’s V of 0.92 (Very Valid). Detail scores of validity test showed 0.93 for design, 0.92 for subject matter, and 0.90 for education experts. This indicated a very high level of validity showing the CoPjBL approach to be very effective in offering a proper learning syntax to connect abstract math subjects to the real-world situation. Thus, the approach could be considered very suitable to be used to improve students' creative thinking abilities.
A SYSTEMATIC LITERATURE REVIEW ON LEARNING MEDIA AND REALISTIC MATHEMATICS EDUCATION (RME): CLASSIFICATION OF MEDIA TYPES AND RME CHARACTERISTICS IN ENHANCING MATHEMATICAL PROBLEM-SOLVING SKILLS Ni Wayan Eka Sentana Wati; I Wayan Puja Astawa; I Made Ardana
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7694

Abstract

Mathematical problem-solving is a key competency in 21st-century education. Realistic Mathematics Education (RME) emphasizes real-world contexts and has been widely applied to support this skill, alongside the development of various instructional media. This study aims to systematically review the role of RME-based learning media in enhancing students’ mathematical problem-solving skills. Using the PRISMA-guided SLR method, [e.g., 146] articles were identified from Google Scholar and Scopus. After duplicate removal and title–abstract screening, [e.g., 24] full-text articles were assessed, resulting in 12 studies included in the final synthesis. A Systematic Literature Review (SLR) was conducted following the PRISMA protocol. A total of [e.g., 146] articles were initially identified from Google Scholar and Scopus. After duplicate removal and title–abstract screening, [e.g., 24] full-text articles were assessed for eligibility, resulting in 12 studies included in the final synthesis. The analysis was organized into three main categories: (1) types of learning media (digital and non-digital), (2) key characteristics of RME (realistic context, progressive mathematization, and student-centered activities), and (3) impacts on students’ mathematical problem-solving skills. The results indicate that both digital and non-digital RME-based media consistently improve students’ problem-solving abilities.
Exploration of Geometry Concepts in the Architecture of the Grand Mosque of Sultan Thaf Sinar Basarsyah as a Mathematics Learning Media Putri handayani Nurmaidah; Nur Ainun Lubis
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7703

Abstract

Ethnomathematics is the study of how people from different cultures understand, interpret, and use mathematical concepts. Meanwhile, various studies have highlighted the beauty and symbolism of geometric aspects in mosque architecture, but there are still limited studies examining how these geometric elements can be used as learning media. This study aims to explore geometric concepts in the architecture of the Sultan Thaf Sinar Basarsyah Grand Mosque and examine its application as a contextual mathematics learning resource. The methods used include direct observation, semi-structured interviews, and visual documentation with a descriptive qualitative approach. This study uses an interactive model data analysis technique proposed by Miles and Huberman (1994). The results show that the mosque building contains geometric elements such as circles, semicircles, squares, rectangles, rhombuses, and cylinders that have cultural symbolic meaning and religious aesthetics. This study recommends that mathematics learning increasingly utilize architectural heritage as an interesting and educational learning medium, thereby strengthening cultural identity while supporting the development of mathematical conceptual abilities in a more contextual and meaningful manner.
Pedagogical Content Knowledge In Teaching Systems of Linear Equations: A Case of Secondary School Mathematics Teachers Marhami; Jarnawi Afgani Dahlan; Dadan Dasari
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7712

Abstract

This study aims to examine the Pedagogical Content Knowledge (PCK) of teachers in teaching the Two-Variable Linear Equation System (TVLES) material. A descriptive qualitative approach was employed, involving three mathematics teachers who taught TVLES to eighth-grade junior high school students. Data were collected through semi-structured interviews as well as analysis of instructional portfolios, including lesson plans, worksheets, and teaching materials related to TVLES. The interview protocol consisted of ten questions based on the five components of PCK: orientation to teaching, curriculum knowledge, knowledge of students’ understanding, knowledge of instructional strategies, and knowledge of assessment. The data analysis followed the stages of data collection, reduction, presentation, verification, and conclusion drawing. Data validity was ensured through time triangulation and the use of multiple data sources. The results revealed that teachers demonstrated adequate competency in three PCK component (orientation to teaching, knowledge of students’ understanding, and assessment knowledge), while curriculum knowledge and instructional strategies remained underdeveloped. Based on these findings, it is recommended to establish collaborative forums and provide ongoing mentoring to help teachers enhance their curriculum knowledge and instructional practices. Curriculum developers should also ensure that teachers have sufficient resources and support to implement TVLES materials effectively in the classroom.
Development of Google Classroom Learning Management System-Based Mathematics Learning on Relations and Functions in Junior High School Miftahul Atiqoh; M Farhan Ainun Ihsani; Ulfah Zulaikha; Budi Murtiyasa
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 3 (2026): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i3.7720

Abstract

This study develops a Google Classroom–based learning management system (LMS) for Relations and Functions in junior high school and examines its feasibility. The study used an R&D approach with the ADDIE model involving eighth-grade students and a mathematics teacher at SMP Muhammadiyah 5 Surakarta. Data were collected through observation, interviews, expert validation, and user-response questionnaires, and analyzed quantitatively and qualitatively. The results show high validity (material expert 93%; media expert 87%) and high feasibility (students 91%; teacher 97%). The novelty lies in a complete and structured LMS learning flow for Relations and Functions, integrating mapped topics, tiered activities, quizzes, discussions, and assignments supported by tools such as Quizizz, YouTube, GeoGebra, and Google Forms. Pedagogically, the LMS supports systematic concept learning, student engagement, and formative feedback in one coherent environment.

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