Mathematical literacy in socio-ecological contexts remains underexplored, particularly when examined in terms of cognitive style. This study aims to describe the mathematical literacy processes of reflective and impulsive junior high school students when solving Minimum Competency Assessment (MCA) tasks that involve socio-ecological issues. A qualitative descriptive design was employed, involving two high-mathematical-ability students selected purposively and classified as reflective and impulsive using the Matching Familiar Figures Test (MFFT). Data were collected through socio-ecological MCA tasks on school waste generation and semi-structured interviews. The data were analyzed using thematic coding based on the PISA mathematical literacy processes (formulate, apply, and interpret). The findings indicate that reflective students demonstrated more systematic verification and deeper contextual interpretation. In contrast, impulsive students applied strategies more rapidly but showed reduced monitoring accuracy, resulting in calculation errors despite appropriate procedural strategies. These findings underscore the importance of considering cognitive processing characteristics in developing socio-ecological MCA tasks and learning strategies to support higher-order mathematical literacy.

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.

The growing challenge of global warming underscores the need for innovative learning resources that connect scientific concepts to real-world issues, as existing materials often lack contextualization. This study aimed to develop and evaluate an electronic worksheet (e-worksheet) on global warming, integrating Ethno-Socioscientific Issues (E-SSI) with the Problem-Based Learning (PBL) model for junior high school students. The research utilized the Design and Development Research (DDR) approach. The e-worksheet integrated global warming as a socioscientific issue (SSI), drawing on Mandar's local wisdom for mitigation within the PBL framework. Validation by six experts using Aiken's V, along with limited trials involving 18 teachers and 10 students, assessed its validity and practicality. Results showed a high validity index (V = 0.89) and very practical ratings from teachers (92.96%) and students (83.59%). These findings imply that the developed e-worksheet is valid and practical in promoting meaningful, mindful, and joyful learning, and it offers an innovative resource that bridges global scientific concepts with local cultural practices, supporting deep learning in science education. This approach has implications for STEM education by integrating scientific understanding, problem-solving, and technological skills within the context of relevant SSI and culture.

Scientific argumentation is a critical 21st-century skill that must be systematically integrated into science education, particularly physics. However, current classroom assessments rarely comprehensively and in-depth measure students’ argumentation skills. This study aims to analyze the need to develop a multi-representation assessment instrument supported by the Thunkable application to evaluate students’ scientific argumentation skills on static fluid concepts. A mixed-method approach with an embedded sequential design was employed. Quantitative data were collected through questionnaires administered to 34 physics teachers and 97 eleventh-grade students from several high schools in Lampung Province, Indonesia. Besides, qualitative data were obtained through open-ended responses to explore classroom learning experiences and assessment practices further. The findings reveal that 91% of teachers reported difficulties in assessing argumentation skills, while 94% of students faced challenges in connecting static fluid concepts across different representations. The use of multi-representation tasks in assessments was found to be limited. Nevertheless, teachers and students expressed strong interest in using interactive digital assessment tools. These findings highlight the strategic opportunity to develop a Thunkable-assisted, multi-representation-based assessment instrument that addresses teachers’ and students’ needs and improves assessment practices in physics education by promoting meaningful learning and scientific argumentation.

Teaching transformation geometry in schools requires visualization tools to enhance students' conceptual understanding. Therefore, mathematics education students need to be equipped with adequate visualization skills. This study aimed to develop an interactive e-module based on YouTube video tutorials and simple projects to help students, particularly Generation Z, visualize transformation geometry concepts. The development model employed was the ADDIE (Analysis, Design, Development, Implementation, Evaluation). The findings indicated that the developed interactive e-module was valid (88.2%, excellent category), practical (75%, good category), and effective (94.3%) in supporting students in visualizing transformation geometry concepts. Integrating YouTube tutorial videos and simple projects facilitates students in learning and understanding the visualization of transformation geometry effectively and comprehensively. This study has implications for integrating technology-based interactive tools in learning, which can significantly enhance student engagement and mastery of abstract mathematical concepts.

Argumentation is a fundamental aspect of scientific literacy, enabling students to construct, justify, and evaluate claims based on evidence. However, traditional assessments emphasize rote memorization rather than developing reasoning skills, highlighting the need for a more effective evaluation approach. This study aims to develop and validate the Inquiry-Driven Essay Assessment (IDEA) framework to assess students' argumentation skills in static fluids. The research employs the ADDIE model. The participants comprised 26 eleventh-grade students from a Bandung, West Java private school who had prior knowledge of static fluid concepts, including hydrostatic pressure, buoyant force, and the principles of floating and sinking objects. The findings indicate that the developed assessment instrument demonstrates high validity and reliability, with strong internal consistency and alignment with learning objectives. The claim generation aspect obtained the highest average score, while the evidence analysis, justification, and support aspects require further improvement. The study concludes that the IDEA framework can serve as an effective tool for assessing and enhancing students' argumentation skills. The implications of this research suggest that implementing the IDEA framework can provide a more comprehensive and objective evaluation approach in science education, thereby assisting educators in fostering students' critical thinking and argumentation skills more effectively.

Self-regulated learning is a crucial aspect of the learning process for students. This ability is often overlooked due to the challenges of inaccurate measurement. This study aims to evaluate the quality of a self-regulated learning scale developed through an analysis of respondent responses. The research employed a descriptive quantitative approach using the Rasch Model as the analytical method. The instrument used consisted of 30 statement items. The study sample included 59 mathematics education students selected through cluster random sampling from two universities in different districts. The analysis results indicated that, after three calibration processes, the self-regulated learning scale was refined to 28 items with excellent quality. Furthermore, the responses of 58 students demonstrated a high level of consistency. Thus, self-regulated learning scale has good validity and reliability, making it a dependable tool for measuring self-regulated learning abilities. The implications of this study include the provision of a practical and reliable instrument for researchers and educators to support further studies and serve as an evaluation tool in learning development.

Algebra is one of the essential branches of mathematics that often presents challenges for students, especially when faced with inverse function problems. This study aims to describe algebraic reasoning in solving inverse function problems from the perspective of students' mathematical resilience. This qualitative research uses a case study design involving 33 eleventh-grade students from a public high school in West Bandung Regency. The instruments used were a mathematical resilience scale and an algebraic reasoning test. Data analysis was conducted through data reduction, presentation, and conclusion drawing. The results showed that 15.15% of students had low resilience, 72.72% had moderate resilience, and 12.12% had high resilience. There were different characteristics in algebraic reasoning among students in these resilience categories. The implications indicate that targeted learning strategies can enhance algebraic reasoning, especially for moderate and low-resilience students.

Geometric transformation is a vital mathematics topic that should be learned at the junior high school level. Students often consider This material difficult because it is abstract and lacks concreteness. One effort to overcome this difficulty is by using teaching aids. This study aims to develop a geometric transformation board teaching aid to improve the conceptual understanding of 9th-grade junior high school students. This research employs a research and development method. The research sample consists of 17 9th-grade junior high school students. The results show that using the geometric transformation board teaching aid can enhance the conceptual understanding of 9th-grade students. The average student learning outcomes evidence this increase from 57.65 to 79.41. This study implies that PATOGE can effectively make abstract mathematical concepts more concrete and easier to understand.

The current development of education demands students to compete globally with modern technological knowledge. This research aims to develop a science e-module with the STEM approach embedded with religious values for students of madrasas, pesantren, and integrated Islamic schools. The research method used is research and development with the ADDIE model. Data were collected through observation, interviews, documentation, and questionnaires, which were then analyzed using qualitative and quantitative approaches. The results of the material expert validation reached 93% (excellent), and media expert validation reached 92% (excellent). This e-module is considered practical with a practicality test result by educators of 81% (excellent) and attractive according to users with a test score of 80% (very attractive). This module integrates religious values within the science material using the STEM approach to stimulate students and support science learning in the context of Islamic education. This research has implications for developing technology-based learning materials in Islamic educational institutions.