This research aims to find out how to develop animated video learning media to improve the mathematical problem solving abilities of class VI students. This research is based on several problems, namely students who do not understand the discussion of learning material because mathematics is considered boring and it is difficult to memorize formulas. This made students unable to solve problems in the learning process. This research used research method and development using 4D research model. The sample of this research consisted of 25 students, with the first step not using animated videos and the second step using animated videos. The research instruments used in this research were tests (essays) and questionnaires. The research results showed that the feasibility level was 92% in the "very valid" category, the practicality level was 92% in the "very practical" category, and the effectiveness level was 88.52% in the "effective" category. These results can also be seen from the pretest with an average value of 34 and posttest with an average value of 92, so the average N-Gain Score was 88.52%. So, it can be concluded that the development of animated video learning media can improve the Mathematical problem solving abilities of 6th Grade of Elementary School students.

The difficulties students experience when solving problems that require calculation indicate a need to improve their arithmetic skills. This research aims to describe students' numeracy skills in solving number problems while also identifying the obstacles they encounter in developing these skills. Specifically, this study explores the mathematical numeracy literacy abilities of fourth-grade elementary school students in facing the Minimum Competency Assessment (AKM) questions on number material at one elementary school in Indonesia. This research uses a descriptive qualitative approach with data collection techniques including AKM numeracy tests, observation, interviews, and documentation. The research findings show that students' mathematical numeracy literacy ability is in the moderate category, with an average achievement of 65.8%. The main difficulties experienced by students include: (1) recognizing mathematical information from contextual problems, (2) performing numerical calculations, (3) interpreting calculation results in the context of real-world problems, and (4) communicating mathematical reasoning in writing. Based on these results, this research recommends strengthening numeracy learning that connects material with everyday life contexts, as well as improving students' mathematical reasoning abilities through problem-based learning approaches, to optimize the mathematical numeracy literacy of elementary school students.

Mental health disorders, particularly depression, are becoming an increasing concern among university students. This study aims to analyze the comparative levels of depression among students from the 2022 and 2024 cohorts in the Biology Department at Universitas Negeri Medan. The research employs a mixed-method approach, integrating both quantitative and qualitative methodologies. Data were collected through questionnaires distributed to 51 active students. The results indicate that students from the 2022 cohort exhibit higher levels of depression compared to those from the 2024 cohort, due to academic pressure, social factors, and lifestyle habits. These findings highlight the importance of preventive strategies and interventions to mitigate depression risks, such as stress management, promoting healthy lifestyle habits, and strengthening social support in academic environments. Therefore, educational institutions must prioritize student mental health to foster a more conducive learning environment.

Efficient resource allocation is a major challenge in various sectors, especially when faced with limitations in quantity, time, and cost. This study aims to examine the application of linear programming as an optimization method in solving assignment problems, where a number of resources must be optimally allocated to a number of specific tasks. Through a literature study approach, this study examines various relevant previous study results, especially in the Indonesian context. The results of the study indicate that linear programming is able to improve operational efficiency, reduce costs, and produce a more balanced task distribution. However, this model has limitations in dealing with non-linear conditions and data uncertainty, so integration with other methods such as fuzzy logic or genetic algorithms is needed. This study is expected to broaden the understanding of the benefits of linear programming and encourage its wider application in quantitative-based decision making.

This article aims to examine the role of digital learning media in supporting mathematics learning that is aligned with the spirit of the Merdeka Curriculum. The research was conducted using the Systematic Literature Review (SLR) method on twenty scientific articles that discuss the use of digital media in learning mathematics at various levels of education. The results of the study show that digital learning media such as the Canva application, Wordwall, digital comics, animated videos, and educational games can significantly improve concept understanding, learning motivation, and student engagement. Digital media also supports the differentiated and contextual learning approach that is the main characteristic of Merdeka Curriculum. This study concludes that digital media is not only effective in conveying abstract material visually and interactively, but also encourages the development of students' 21st century skills, such as critical thinking, independence, and creativity. The findings are expected to be a reference for teachers, researchers, and policy makers in designing innovative and adaptive mathematics learning strategies in the digital era.

This study aims to develop learning media based on the Wordwall application in mathematics learning for grade 3 at MI Salafiyah 1 Kauman. The background of this study is the low interest and motivation of students in participating in mathematics learning, which is caused by less interesting learning methods and the lack of use of interactive media. By utilizing the Wordwall application, it is expected to increase student involvement through fun educational games. The method used in this study is Research and Development (R&D) with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The development process begins with needs analysis, learning media design, media development using the Wordwall application, media implementation in learning, and evaluation of the effectiveness of the media developed. The results of the study showed that the Wordwall-based learning media developed had high validity with an average score of 90% from material and media experts. The practicality of the media was also obtained with an average score of 85% from teachers and students. The trial of media implementation in mathematics learning showed an increase in student motivation and learning outcomes. So, students will be more active in participating in learning and show a better understanding of the material being taught. Thus, Wordwall-based learning media has proven effective in increasing the motivation and learning outcomes of grade 3 students at MI Salafiyah 1 Kauman.

Energy is the ability to do or change something. It can be found in various forms in everyday life, such as electrical energy flowing through cables, thermal energy produced by stoves, or kinetic energy generated by vehicles. Energy can also come from natural sources, such as the sun, wind, and water. This research aims to enhance students' ability to think critically in understanding the material on energy and its changes. This research uses a quantitative method; data were collected from 27 students through 10 questions discussing the concept of energy. Effective education not only helps students better understand what they are doing, but also prepares them to face environmental issues in the future. In addition, innovative learning methods such as project-based learning should be incorporated into the curriculum to build critical thinking skills. Therefore, it is expected that this research will help improve the energy education curriculum in elementary schools and encourage students to participate more actively in sustainability issues.

This research aims to review the teaching tools used at Madrasah Aliyah Negeri (MAN) 2 Kota Padang in order to support the implementation of the Independent Curriculum. Observations were carried out for two months, focusing on analysis of learning documents, interviews with teachers, and direct observation of the learning process in the classroom. Observation results show that the teaching tools at MAN 2 Padang City have been prepared in accordance with the principles of the Independent Curriculum, including teaching modules, student worksheets, and formative assessments that support differentiated learning. The teachers at this madrasa show good adaptability to curriculum changes, by applying varied and contextual learning methods. Students also show a positive response to learning that is more interactive and relevant to everyday life. However, several challenges were found, such as the need for further training for teachers and the provision of more diverse learning resources. Overall, the teaching tools at MAN 2 Padang City support a more meaningful and student-centered learning process, in line with the objectives of the Independent Curriculum.
 

This study aims to analyze students' difficulties in understanding algebraic concepts in the implementation of the Merdeka Curriculum. This type of research uses a descriptive research method with a qualitative approach. Data collection techniques include interviews, questionnaires, and three written tests. Based on the results of interviews and questionnaires conducted by teachers with the school principal and mathematics teachers, the school has implemented the Merdeka Curriculum despite limitations in resources. The Merdeka Curriculum contributes to teachers in terms of teaching modules and freedom in creativity in learning, although training is still needed. The results of the student questionnaire indicate that the majority of students have difficulty understanding algebra, especially in identifying variables, but the majority of students feel that classroom learning is interactive and enjoyable. Most students feel helped by the example questions provided by the teacher. The written test results show that students have difficulty with the use of positive and negative signs, coefficients, constants, algebraic operations, and determining variable values. This indicates that the majority of students have not yet achieved mastery of the algebra material. It can be concluded that the implementation of the independent curriculum at SMP IT Az-Zahira Khatulistiwa supports teachers in the algebra learning process through the use of teaching modules, but students still struggle to understand algebraic concepts due to the limited use of educational media, which is constrained by the school's facilities.

Orthosiphon aristatus is a medicinal plant that has the potential as a natural antibacterial agent. This study aims to evaluate the effect of cat's whiskers leaf extract on microbial growth using Nutrient Agar (NA) media with variations in extract concentrations of 100 gr, 50 gr, and 25 gr. Antibacterial activity tests were carried out using the well diffusion paper disk method, and observations of microbial growth inhibition zones were carried out after incubation for 24 hours at 37°C. The test results showed that there was inhibition of microbial growth that varied according to the concentration of the extract used; a concentration of 100 gr gave the largest inhibition zone compared to 50 gr and 25 gr. Data analysis showed that increasing extract concentration was directly proportional to increasing antibacterial effectiveness. These findings indicate that Orthosiphon aristatus leaf extract has the potential as a natural antibacterial that is effective in inhibiting microbial growth in NA media, so it has the potential to be developed as an active ingredient in pharmaceutical formulations.