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Indonesian Journal of Science and Mathematics Education
Published by Universitas Islam Negeri Raden Intan Lampung
ISSN : -     EISSN : 26158639     DOI : -
Core Subject : Education,
Education Mathematics
Indonesian Journal of Science and Mathematics Education is a journal which is managed by Research and Scientific Publication Unit collaborate with Physics Education Department of UIN Raden Intan Lampung. Indonesian Journal of Science and Mathematics Education is a medium of communication used by researchers, lecturers, teachers, practitioners, and University student for submitting result of studies and prioritized result of research in the field of science and mathematics education, include: development of instruments of evaluation science and mathematics, development of instructional media science and mathematics, and the development of learning model of science and mathematics. First published in 2018 and regularly published three (3) times a year, in March, July and November.
Arjuna Subject : -
Articles 321 Documents
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Development of an ethnoscience-based vocational learning model for solar-wind hybrid energy systems in small-scale fishing vessel applications Zakiah, Diah; Jaya, Indra; Rahmat, Ayi; Priandana, Karlisa; Iskandar, Budhi Hascaryo
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29177

Abstract

Coastal communities increasingly require accessible renewable-energy education, yet conventional vocational programs rarely integrate local maritime knowledge or hands-on, culturally relevant practices. This study aims to develop and evaluate an ethnoscience-based vocational learning model that uses a simple wave-energy converter as a contextual tool. A qualitatively driven mixed-methods design was employed involving fishers, vocational students, teachers, and local stakeholders through interviews, focus group discussions, observations, and classroom implementations. Findings show that the model effectively bridges indigenous maritime knowledge with renewable-energy engineering concepts, producing pedagogically meaningful outcomes: a 21% increase in students’ conceptual understanding and a 139–270% improvement in psychomotor skills related to device design, measurement, and troubleshooting. Teachers reported enhanced capacity in contextual and multimodal instructional design, while community members recognized the model’s relevance to local energy needs. The study demonstrates that culturally grounded, low-cost engineering activities can strengthen STEM learning in resource-constrained coastal settings. These results have implications for integrating ethnoscience into vocational curricula, supporting equitable education, preserving local knowledge, and accelerating the adoption of community-based renewable technologies. This model offers a measurable pathway for policy development in vocational education, energy transition, and fisheries.
Exploring ethnomathematics in the traditional houses of Tamarele, Buano Utara village, as a source of mathematics learning Ratau, Asria; Cholily, Yus Mochamad; Rahardjanto, Abdulkadir; Effendi, Moh. Mahfud; Inganah, Siti
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29420

Abstract

Mathematics is often considered an abstract science far removed from real life. The ethnomathematics approach aims to link mathematical concepts with local cultural practices. This study aims to explore the mathematical elements in the traditional houses of Hena Puan in Buano Utara Village and examine their potential as a source of mathematics learning. The method used is qualitative with an ethnographic approach. Data was collected through observation, interviews with traditional leaders, and visual documentation of the traditional house structure. The study results show that the Hena Puan traditional house contains mathematical concepts such as plane and solid geometry. Additionally, philosophical values related to the structure of the building, which have been passed down from generation to generation, were found. The implications of these findings suggest that the Hena Puan traditional house can serve as a relevant contextual learning resource, encourage student engagement, and strengthen local cultural identity. The implications of this study can be used as a source of contextual learning that makes mathematics learning more concrete, meaningful, and relevant to students' lives.
Enhancing science computational thinking skills through STEM-problem-based learning with the OLabs virtual laboratory Rahmaningsih, Adiar; Probosari, Riezky Maya; Khasanah, Annisa Nur; Supurwoko, Supurwoko; Hudha, Muhammad Nur
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29422

Abstract

This study aims to investigate the impact of the STEM–Problem–Based Learning (PBL) model, combined with the OLabs virtual laboratory, on the computational thinking skills of eighth-grade students in science education. The research used a quasi-experimental pretest–posttest control group design with a population of all eighth-grade students at SMP Negeri 1 Sukoharjo in the 2024/2025 academic year. Cluster random sampling was applied, resulting in class VIII C as the experimental class and VIII B as the control class. Data were collected using a computational thinking skills test, and hypothesis testing was conducted through the Independent Sample T-Test at a 0.05 significance level. The results showed a significant effect of the STEM–PBL model, as indicated by a significance value of 0.001 < 0.05 and a higher score improvement in the experimental class. These findings confirm that integrating STEM–PBL with the OLabs virtual laboratory effectively improves students’ computational thinking skills. This study implies the importance of implementing STEM-based problem-solving and virtual experimentation to enhance students’ computational thinking in science learning.
Ethnomathematics of small border islands: Geometric concepts in Koli leaf weaving on Letti Island Dahoklory, Andy Sunder Keer; Sugiarto, Sigit; Rupilele, Karolina
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/e9bbqf71

Abstract

Ethnomathematics connects mathematical concepts with cultural practices, making learning more contextual and meaningful. However, studies in small border islands remain limited, despite their rich cultural heritage. One example is Koli leaf weaving on Letti Island, which reflects mathematical ideas in daily life. This study aims to conduct an ethnomathematical study of Koli leaf-woven objects on small border islands using a qualitative ethnographic approach that includes literature review, observation, interviews, and documentation. The collected data is analyzed using content analysis, thematic analysis, and pattern recognition. The findings reveal that Koli leaf weaving involves mathematical concepts, including plane shapes (triangles, circles, hexagons) and solid shapes (hexagonal prisms, cylinders). These findings imply that local cultural artifacts can serve as contextual learning resources in mathematics and science education. The geometric patterns of Koli leaf weaving can be used in geometry lessons to strengthen students’ mathematical literacy, critical thinking, and appreciation of local culture. This research also has implications for the preservation of local knowledge and the development of culture-based mathematics education on small border islands.
Problem-based e-worksheet innovation to improve HOTS and decision-making skills in differentiated learning Ayuni, Melania Sandri; Distrik, I Wayan; Suyatna, Agus
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29026

Abstract

Higher-order thinking skills (HOTS) and decision-making skills are essential competencies in physics learning. Therefore, innovative learning materials such as problem-based e-worksheets are required. This study aims to develop a problem-based e-worksheet for differentiated learning that meets the criteria of validity, practicality, and effectiveness in improving students’ HOTS and decision-making skills. The study employed a mixed-methods approach with a sequential exploratory design and a static pretest–posttest design. Preliminary research was conducted to identify differences in students’ abilities and learning styles as the basis for designing the e-worksheet. The development stage involved creating e-worksheets and teaching modules, followed by product validation and field testing. The field test involved 60 senior high school students in Bandar Lampung, selected using cluster random sampling. The results showed that the problem-based e-worksheet achieved very high validity, with content and construct validation scores of 4.69 and 4.82. The e-worksheet also demonstrated high practicality, with implementation rates exceeding 80% and positive student responses. Furthermore, it was effective in improving HOTS with an n-gain of 0.76 and decision-making skills with an n-gain of 0.83. These findings indicate that problem-based e-worksheets are effective learning media for strengthening students’ thinking and decision-making skills in physics learning.
Discovering the essence of scientific literacy: A historical–grammatical hermeneutic analysis of contextual learning in science education Sakul, Raymond Andrew; Fobia, Paulus; Pane, Exson Eduaman
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/08h02874

Abstract

Contextual learning in science education deeply engages students by connecting scientific concepts to real-life experiences, enhancing motivation, meaningful understanding, retention, and problem-solving skills. Kyza & Georgiou's meta-analysis and the findings of Bennett et al. demonstrate its effectiveness. However, the ontological and epistemological meanings of scientific literacy, which are intended to be developed through this approach, remain underexplored. This study aims to investigate the meaning of literacy, science, and truth in the context of science education through a historical-grammatical hermeneutic approach. This study uses a qualitative hermeneutic method that integrates a historical analysis of the development of scientific literacy from positivism to constructivism and humanism and a grammatical study of key terms such as literacy, science, context, and learning in educational policies and curriculum frameworks. The interpretation process is carried out circularly to understand the meaning within the social and pedagogical context. The results show that scientific literacy extends beyond understanding scientific texts to encompass the ability to connect scientific knowledge with human responsibility, socio-scientific issues, and ecological awareness. Contextual learning is an effective pedagogical bridge for fostering meaningful scientific literacy by connecting scientific concepts with real-life experiences and student reflection.
Praxeological analysis of number patterns through the anthropological theory of the didactic perspective Pradipta, Trisna Roy; Turmudi, Turmudi; Hendriyanto, Agus; Pramartha, I Nyoman Bagus
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/0rqrd137

Abstract

Number pattern material is important to study because it serves as a bridge between arithmetic and algebra, playing a strategic role in developing junior high school students' algebraic thinking, mathematical reasoning, and mathematical literacy. This study employs Yves Chevallard's Anthropological Theory of the Didactic (ATD) to analyze the praxeological, epistemic, systemic, and heuristic aspects of mathematical knowledge in Grade VIII number pattern textbooks. The methodology employed is document analysis using a praxeological framework comprising four components: types of tasks, techniques, technology, and theory. The study reveals that the textbook presents a strong mathematical organization in the praxis-praxeological aspect (tasks and techniques), with various examples of number patterns, including triangular numbers, square numbers, the Fibonacci sequence, and arithmetic and geometric sequences. However, the logos aspect (technology and theory) remains implicit and limited. The epistemic aspect shows knowledge presented through an inductive approach from concrete pattern observation to generalization. The systemic aspect demonstrates coherent structure with three interrelated main learning activities. The heuristic aspect shows dominance of pattern-finding strategies through tables and geometric visualization. The implications of this research emphasize the importance of developing the logos aspect in mathematics textbooks to strengthen students’ conceptual understanding and encourage metacognitive reflection.
Knowledge reduction in Indonesian and Japanese textbooks on the concept of area in elementary school: A didactical transposition study Muhaimin, Lukman Hakim; Suryadi, Didi; Dasari, Dadan; Juandi, Dadang; Pahmi, Samsul; Yulianti, Sri
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29466

Abstract

The concept of area is fundamental to geometry and essential for applications in various fields, including physics, engineering, and data analysis. This study examines the gap between mathematicians’ views on area and its presentation in Indonesian and Japanese elementary textbooks, as well as its impact on student learning. Using the Anthropological Theory of Didactics and a qualitative phenomenological design, the analysis focuses on chapters discussing the area, applying a three-stage content analysis to identify conceptual components, formula presentations, shape variations, and task types. This analysis is supported by quantitative indicators, such as the task variation index and proportions of exploratory versus procedural tasks. The findings indicate that Japanese textbooks employ a more systematic and comprehensive didactic approach, offering a range of tasks, exploratory methods, and logical sequencing that promote independent learning. In contrast, Indonesian textbooks rely on repetitive, limited cut-and-paste methods, which may lead to a rigid understanding and learning obstacles. The study suggests the need for a critical evaluation of textbooks and more conceptually coherent learning designs, aligned with mathematical principles. It recommends task designs that integrate exploration and reasoning, consistent formula derivation, and broader variations of shapes to reduce learning barriers.
Adaptive assessment tool: Analysis of digital instrument development needs to measure critical thinking skills in static fluid materials Novela, Erma; Viyanti, Viyanti; Rohman, Fatkhur
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29563

Abstract

21st-century education emphasizes critical thinking as a core competency that must be developed in learning, including physics. However, teacher assessments are still based mainly on conventional written exams, limiting the comprehensive measurement of students’ critical thinking skills. This issue is critical, especially for complex topics such as static fluids. This study aims to analyze the need for developing adaptive assessment-based instruments in physics learning. A descriptive approach was used, with data collected via questionnaires from 24 physics teachers and 37 high school students in Lampung Province. Data were analyzed using percentages for closed-ended questions and descriptive narratives for open-ended responses. Results indicate that physics assessments remain dominated by written tests, critical thinking indicators are incompletely measured, and question quality is rarely analyzed in depth. Although teachers and students have used digital assessments, these are not adaptive, as all students receive questions at the same difficulty level. The implications highlight the importance of developing valid, reliable, and practical adaptive assessment instruments that can adjust to students’ abilities. Such instruments can improve the measurement of critical thinking, support more effective and personalized learning, and strengthen both the theoretical understanding and practical application of adaptive assessment in physics education.
Beyond counting: Unveiling epistemic gaps and learning obstacles in Indonesian first-grade mathematics textbooks Sholikhakh, Rizqi Amaliyakh; Oktaviani, Dian Nataria; Albab, Ulil; Wahyuni, Astri
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.30085

Abstract

This study aims to analyze number recognition material (0–10) in Indonesian first-grade mathematics textbooks under the Kurikulum Merdeka using a praxeological lens from the Anthropological Theory of the Didactic (ATD). The research method employed was qualitative document analysis of the official textbook published by the Ministry of Education’s Center for Curriculum and Educational Standards. Through this method, the researchers examined tasks (T), techniques (τ), technology (θ), and theory (Φ) to identify epistemic structures and potential learning obstacles embedded in the material. Results show that although the macro-organization of the four main task types is reasonable, the micro-level design is weak. Task sequences often disrupt logical learning trajectories and rely heavily on perceptual and operational techniques, with limited progression toward introspective and a priori reasoning. Technological justifications and theoretical underpinnings remain largely implicit, hindering robust conceptual understanding and generating didactical and epistemological obstacles, particularly regarding zero and the distinction between numbers and numerals. Comparisons with textbooks from high-performing systems highlight shortcomings in epistemic framing, representational coherence, and cognitive demand. The study's implications include providing an integrated praxeological–learning obstacle framework and recommending improvements in textbook design, teaching practice, and policy to enhance students’ epistemic access to elementary mathematics.

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