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This research aims to analyze students' learning difficulties  in solving mathematical problems, especially in mixed arithmetic operations at the elementary school level. The method used is Systematic Literature Review (SLR), which collects and analyzes relevant previous research. The research results show that most students have difficulty in understanding questions and doing arithmetic operations, especially in the arithmetic operations section (90% of students have difficulties). Common mistakes include errors in concepts, procedures, and operations, caused by lack of understanding, inaccuracy, and confusion in the order of processing questions. Internal factors such as attitude and motivation as well as external factors such as ineffective teaching methods also affect this difficulty. This research suggests solutions in the form of improving arithmetic exercises, improving the understanding of basic mathematical concepts, using relevant learning media, as well as guidance and remedial for students with difficulties. A creative learning approach is needed to overcome this challenge.

This study aims to analyze the implementation of the Independent Curriculum at SDN 106813 Amplas, focusing on the implementation by lower and upper grade teachers, the obstacles faced, and the strategies used to overcome these challenges. The research method used is qualitative with a case study approach. Data were collected through interviews, observations, and documentation. The results of the study indicate that lower grade teachers use more exploration and game- based approaches, while upper grade teachers apply project- based learning and problem solving. The main obstacles in implementing this curriculum are the lack of training for teachers, limited facilities and infrastructure, and difficulties in formative assessment and differentiated learning. The strategies implemented include strengthening training, utilizing technology in learning, and collaboration between teachers, students, and parents. This study suggests further support from schools and the government in the form of intensive training and providing adequate facilities.    

Reading literacy skills are essential for all teachers, including mathematics teachers. Reading literacy is not only about the ability to comprehend texts but also plays a crucial role in supporting critical thinking, analytical reasoning, and problem-solving in the learning process. Acknowledging its importance, the author conducted a community service activity in the form of a training program aimed at strengthening reading literacy skills among junior high school mathematics teachers in Moa District. The training was held on Thursday, October 17, 2024, at the PSDKU Hall of Pattimura University, Southwest Maluku Regency Campus. A total of 17 junior high school mathematics teachers from Moa District participated in the activity.The training methods included the presentation of reading literacy materials in the context of mathematics learning, group discussions, and hands-on practice in analyzing and developing literacy-based math problems. The success of the training was measured using two instruments: a questionnaire assessing participants’ understanding of the material and a test measuring their reading literacy skills before and after the training. Data analysis revealed that participants generally felt they understood the material presented. Moreover, there was a noticeable improvement in their reading literacy skills following the training. These results indicate that the training was conducted effectively and achieved its intended objectives. This activity is expected to have a positive impact on improving the quality of mathematics instruction in schools by enhancing teachers' reading literacy as a key component in facilitating student learning.

This study aims to comprehensively examine the influence of the Problem-Based Learning (PBL) model integrated with the Internet of Things (IoT) on enhancing students’ problem-solving abilities in physics education. The integration of IoT into PBL is seen as a progressive approach to address the growing demand for innovative instructional strategies that promote higher-order thinking skills. A quantitative approach was adopted, utilizing a quasi-experimental design with a pretest-posttest nonequivalent control group format to assess the effectiveness of the intervention. The participants were 25 undergraduate physics students from the University of West Sulawesi, selected through saturated sampling due to the limited population size. To evaluate students’ problem-solving skills, data were collected using structured written tests designed around five key indicators: understanding the problem, describing the problem, planning the solution, executing the solution, and evaluating the results. Prior to hypothesis testing, normality of the data was assessed using the Kolmogorov-Smirnov test, followed by paired sample t-tests with IBM SPSS Statistics 23 to determine the significance of differences in pretest and posttest scores. The findings revealed a statistically significant improvement in students’ problem-solving skills following the implementation of the IoT-based PBL model, with results showing significance at the 5% level and gain scores classified as effective. These outcomes demonstrate the potential of the PBL-IoT integration to foster critical thinking and improve educational quality. Therefore, the implementation of this instructional model is recommended for physics educators seeking to enhance student engagement, problem-solving proficiency, and learning outcomes through the integration of emerging technologies.

Education is very important for the progress of a civilization and of course education is not only an academic activity, but also as a foundation for students to contribute and actively participate in society through service. Service itself is an activity carried out by individuals or groups, such as students, lecturers, or educational institutions, to make a positive contribution to society. In accordance with the mission of UNNES college which is dedicated to contributing to society, we UNNES students strive to solve problems in society. We collaborate with partners, namely Sruwen Village, to solve problems in used cooking oil waste so that it does not become useless waste and has an impact on health and the environment. Used Cooking Oil is one of the wastes that is very often found in households. Used cooking oil is the remaining used cooking oil produced from household activities, restaurants, or the food industry. So that UNNES KKN GIAT 11 students develop used cooking oil products that can be developed especially in Sruwen Village, namely aromatherapy candle products through education and training so that they can be applied directly by housewives in dealing with used cooking oil waste. This activity was carried out on February 27, 2025 and at 9 am. The target of this activity is the mothers of the PKK Induk Sruwen Village. Community service aims to provide readers with knowledge related to the processing of used cooking oil waste, providing solutions in solving used cooking oil waste in the community.

Many students find it difficult to connect abstract mathematical concepts with real-world applications, leading to limited problem-solving and modeling skills. This study aimed to develop a real-world problem-based mathematics module designed to enhance students’ mathematical modeling abilities. Using a Research and Development (R&D) approach with the 4D model Define, Design, Develop, and Disseminate the research involved secondary school students enrolled in mathematics classes. The Define stage identified learning difficulties and needs, while the Design and Develop stages focused on creating, validating, and refining a contextual mathematics module based on expert feedback. Quantitative data were collected through expert validation sheets, mathematical modeling tests, and student response questionnaires. The results demonstrated that the developed module achieved a high level of content and design validity, confirming its appropriateness for classroom use. Student responses indicated strong practicality and engagement during implementation. The effectiveness analysis showed a 28% improvement in mathematical modeling skills after the intervention, as evidenced by increased post-test scores and positive student feedback. Compared to traditional textbook-based instruction, the module proved more effective in fostering conceptual understanding, analytical reasoning, and real-world application of mathematics. In conclusion, the developed real-world problem-based module successfully bridges the gap between theoretical mathematics and authentic contexts, providing an innovative framework to cultivate modeling competence and critical thinking among students.

This study explores the implementation of Computational Thinking (CT) in physics learning to enhance students' analytical and logical reasoning. Using an experimental approach with a problem-solving model, the research involved students enrolled in physics courses, divided into experimental and control groups. The experimental group engaged in simulation-based and algorithmic problem-solving tasks, while the control group received conventional instruction. The research focused on assessing improvements in logical reasoning through pre- and post-tests. Data analysis was conducted quantitatively, comparing the pre-test and post-test results of both groups. Findings revealed that the experimental group showed a significant 31% improvement in logical reasoning skills, while the control group demonstrated a modest 5.8% improvement. This indicates that CT-based activities, such as simulations and algorithmic tasks, are more effective in enhancing students' analytical and problem-solving abilities compared to traditional methods. The study highlights the importance of integrating CT into physics education, as it promotes deeper cognitive engagement, critical thinking, and practical problem-solving skills. These findings suggest that CT strategies can be a powerful tool in improving students' reasoning abilities and better preparing them for complex scientific and real-world challenges.

Learning that is still dominated by teacher-centered approaches tends to result in passive student participation and low learning outcomes. This study aims to compare the effectiveness of the Socio-Scientific Problem-Based Learning (SSPBL) model and the Stimulus Environment Problem Solving (SEPS) model in improving student learning outcomes in the Ecology course. The research employed a quasi-experimental design involving two groups of fourth-semester Biology Education students at Universitas Muhammadiyah Surakarta in the even semester of the 2023/2024 academic year. Each group consisted of 20 students; one was taught using the SSPBL model, and the other using the SEPS model. Data were analyzed using the independent sample t-test and effect size analysis.The results showed that the SSPBL group achieved significantly higher cognitive learning outcomes than the SEPS group in both Cycle I (sig. = 0.041) and Cycle II (sig. = 0.049). The effect size results further confirmed the high effectiveness of the SSPBL model, with values of 2.846 (Cycle I) and 3.413 (Cycle II), categorized as "high." These findings indicate that the SSPBL model is more effective in improving learning outcomes, particularly in developing higher-order thinking skills through the integration of scientific concepts and socio-scientific issues. This study recommends the implementation of the SSPBL model in science education to foster deeper conceptual understanding and critical thinking among students.

One of the 21st century thinking skills is creative thinking skills. Students as prospective educators are required to learn and develop self-actualization in solving problems scientifically. This study aims to determine the effectiveness of Remap STAD learning models towards the empowerment of students' creative thinking skills. This research is a quasy experimental study and uses a Non equivalent pretest-posttest control group design. The population is all students of class XI IPA SMAN 4 Malang, totaling 234 students. A sample of 102 students was selected based on the equality test to determine the experimental class, positive control, and negative control. The instrument used used essay tests in accordance with indicators of creative thinking skills and the results were analyzed using the one-way anacova test. The results showed that the Remap STAD learning model effectively empowers students' creative thinking skills. The implication of the research conducted is to train students to think metaphorically to produce unique ideas or concepts as a form of achieving creative thinking skills. It is recommended that educators integrate the Remap STAD model in biology learning to foster student engagement and stimulate higher-order thinking processes necessary for solving contextual problems in daily life.

Character is a trait possessed by an individual that is embedded in the soul and body, which is implemented through actions. In this day and age Christian character education is very minimal in Christian students, this can happen due to a lack of provision from parents regarding Christian character. If this continues to happen and is not resolved, it will become one of the obstacles in growing the nation's successors who have the potential to advance the nation. Therefore, the school has a very big role in teaching this to students, so that students have the correct Christian character, especially in dealing with the social life of children in the present. In solving this problem, the authors use the stages which include: Observation, implementation of PKM, and evaluation. The result of this PKM activity is to increase students' awareness of themselves not to continue to be in bad conditions so that the potential they have can be developed properly

This study explores strategies to address students' difficulties in understanding and solving mathematical word problems involving long division in elementary schools. These difficulties can stem from internal factors, such as a lack of conceptual understanding, low motivation, and inaccuracy in solving problems, as well as external factors, such as ineffective teaching methods and minimal use of instructional media. Using the Systematic Literature Review (SLR) method, this research examines previous studies that discuss the causes of learning difficulties and possible solutions. The findings indicate that a contextual approach based on Realistic Mathematics Education (RME) and the use of concrete teaching aids can significantly enhance students' comprehension of long division. This approach helps students connect learning with real-life experiences and visualize mathematical concepts more clearly. Therefore, innovative instructional strategies are essential to improve elementary school students' understanding and numerical skills.

The Medan city is one of the largest cities in Indonesia with many economic and tourist activities. The Medan city is one of the gateways for Indonesian businessmen and tourists, especially in North Sumatra. This requires an accommodation that can be a lodging solution for business people and tourists who are doing temporary interests in the city of Medan. This has the potential to design a hotel as a temporary lodging solution for business people and tourists in the city of Medan. The hotel design uses problem solving methods that are focused on solving existing problems, starting from the formulation stage, data collection, analysis to synthesis using survey techniques, literature studies and comparative studies. So that through the design of this hotel, it can be the right lodging solution in the city of Medan with a Tropical Architecture approach that is able to provide comfort for users. Hotel design pays attention to the availability of infrastructure and utilities to support human needs in a design that is able to adapt to the surrounding environment.

This study aims to analyze the application of the Problem-Based Learning (PBL) learning model in improving students' cognitive learning outcomes in science learning, especially in the material on the structure and function of plant tissues. The research was conducted at SMP Negeri 4 Satap Wori, with the research subjects in the form of 21 grade VIII students who had heterogeneous learning abilities. This study uses a class action research (PTK) approach in two cycles. In the first cycle, student learning outcomes showed that only 38.1% of students had completed, while 61.9% had not reached the Minimum Completeness Criteria (KKM). Based on the reflection of the first cycle, improvements were made in the second cycle by increasing student involvement, providing more motivation, and forming heterogeneous learning groups. The results in the second cycle showed a significant increase, with 85.7% of students achieving learning completeness in accordance with the KKM. The increase in learning completeness from the first cycle to the second cycle was 47.6%. This study concludes that the PBL model effectively improves students' critical thinking skills, creativity, and motivation and can help students solve problems independently and in groups. Therefore, applying the PBL model is recommended to continue to be used in learning that involves real-world problem-solving.

The teaching of Social Studies in elementary schools still faces challenges in improving students' understanding, primarily due to the dominance of expository methods that lack variety. This study aims to analyze various innovative learning strategies that can enhance students' comprehension in Social Studies education. The research employs a library research method with a qualitative approach, drawing on various references and previous research findings.The results indicate that contextual learning strategies, project-based learning (PjBL), technology integration, cooperative learning, and multi-representation learning are effective in improving students' understanding. Contextual learning enhances students' comprehension by up to 32%, while PjBL improves critical thinking and problem-solving skills. Technology integration, such as augmented reality and interactive digital media, has been shown to increase learning motivation by up to 43%. Cooperative learning and multi-representation strategies also positively impact social skills and conceptual understanding.The novelty of this study lies in its comprehensive mapping of innovative, evidence-based learning strategies applicable to Social Studies education in elementary schools. The implications of this research highlight the importance of innovation in teaching strategies to ensure that students do not merely receive information passively but can actively apply their knowledge in real-life situations. Additionally, the study underscores the need for teachers to enhance their competencies in implementing more interactive and student-centered teaching methods.

Understanding fraction concepts remains one of the biggest challenges in elementary mathematics education. Many students struggle with grasping fundamental fraction concepts, performing calculations, and applying them in problem-solving contexts. This study aims to analyze various factors contributing to students' difficulties in understanding fractions using a systematic approach Systematic Literature Review (SLR). Data were collected from relevant scholarly articles published between 2020 and 2025. The findings indicate that the primary difficulties students face in understanding fractions stem from a lack of conceptual comprehension, weak operational skills, and challenges in converting word problems into mathematical models. Additionally, low learning motivation and limited teaching method variations also contribute to students' struggles with fraction concepts.

In the midst of the digital era filled with various information, the ability to sort and understand accurate information is very necessary so that students can better understand Islamic teachings. The service of Islamic Religious Education (PAI) learning assistance by improving students' critical thinking skills aims to explore effective learning methods in PAI subjects in order to improve the critical thinking skills of grade XI students at SMK Hayatul Islam. This study applies the assistance method, which includes the stages of observation and coordination, implementation, and evaluation and reflection. Based on the results of the service, it shows that the use of discussion-based methods, problem solving, and analysis of religious texts helps hone students' critical thinking skills. They become more active in conveying ideas and are able to connect religious concepts with everyday life. However, there are several obstacles found, such as students' difficulty in constructing logical arguments and time constraints in the learning process. Therefore, more intensive assistance from teachers and the application of more varied methods are needed so that PAI learning is more effective in developing students' critical thinking patterns.

This study explores the development of integrated language skills assessment instruments for Korean as a foreign language (KFL) learners in higher education, addressing the need for tools that reflect real-world communicative demands. Grounded in theoretical frameworks such as Bachman and Palmer's Communicative Language Ability model[1] and Vygotsky's Sociocultural Theory[2], the research employed a mixed-methods approach, including needs analysis[6], corpus studies, and pilot testing. The research process involved three primary phases: First, a comprehensive needs analysis was conducted among KFL instructors and students to identify assessment gaps and priorities. Second, authentic Korean language materials were collected to create a corpus that informed the development of contextualized assessment tasks. Finally, the instruments underwent rigorous pilot testing with 127 KFL students across three Indonesian universities.The developed assessment instruments integrate reading, writing, listening, and speaking skills through task-based scenarios that mirror authentic Korean language use contexts. These include collaborative problem-solving activities, multimedia-based comprehension tasks, and culturally situated role-plays. Statistical analysis demonstrated high inter-rater reliability (r=0.87) and construct validity when compared with established Korean proficiency measures.Results demonstrated the instruments' reliability, validity, and cultural relevance, fostering holistic skill development and promoting positive washback on teaching and learning practices. Implementation of these instruments led to significant improvements in students' integrated language performance and motivation. The study contributes to the field of Korean language assessment by providing empirically validated tools that bridge classroom learning with real-world language application in higher education contexts.

This study aims to explore the optimization of pedagogical competence of Christian Religious Education (PAK) teachers in the application of problem-based learning (PBM) methods at SMP Negeri 4 Pagaran, North Tapanuli Regency. Teachers' pedagogical competence has a crucial role in designing and implementing effective learning processes, especially in the context of implementing PBM methods that aim to improve students' critical thinking and problem-solving skills. This study uses a qualitative research method with a library approach from book and journal theories to explore information on how PAK teachers implement their pedagogical competence in PBM. The results of the study indicate that PAK teachers at SMP Negeri 4 Pagaran have optimized their pedagogical competence in adapting the PBM method by focusing on the characteristics of student development which is carried out with a more personal approach. This study concludes that increasing training and development of pedagogical competence for PAK teachers through the application of PBM methods is very effective in improving the quality of learning at SMP Negeri 4 Pagaran.

This study aims to analyze the role of Islamic Educational Guidance and Counseling in enhancing student participation and creativity in the Gebyar Muharram competition at the elementary school level in Sugarang Bayu Village, Bandar District, Simalungun Regency. This research employs a field research method with a descriptive qualitative approach, allowing the researcher to explore information in depth through direct observation and interviews with key informants such as the village head, students, and other related parties. The results reveal that Islamic Educational Guidance and Counseling plays a significant role in increasing student participation through approaches that involve motivation, confidence building, and exploring students' potential. This activity not only encourages student involvement in the competition but also has a positive impact on their character, such as fostering courage, self-confidence, and enthusiasm for learning. The guidance strategies applied, including group discussions (FGD), problem-solving activities, and creative task assignments, have proven effective in developing student creativity. Moreover, collaboration with the community and parents in skill training has further strengthened the relationship between the school, family, and community. This study concludes that the role of Islamic Educational Guidance and Counseling not only enhances student participation in competitions but also positively influences the holistic development of their character and skills. The findings highlight the importance of active involvement from counselors, teachers, and the community in creating a supportive and enjoyable Islamic learning environment.

This study aims to analyze the effectiveness of ChatGPT as a tool to help students complete academic assignments. Using a quantitative descriptive method, this study involved 150 6th semester students of the Mathematics Education Study Program selected through a simple random sampling technique. Data were collected through an online questionnaire that measured the intensity of ChatGPT use, ease of understanding the material, and its impact on learning outcomes. The results showed that the majority of students felt helped by the use of ChatGPT, especially in compiling essay assignments, understanding complex academic concepts, and increasing self-confidence in solving math problems. However, it was found that excessive use has the potential to reduce learning motivation if students rely too much on instant answers. Therefore, wise use of ChatGPT and integration with conventional learning methods is highly recommended so that students continue to develop critical thinking skills and independence in learning.