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Community Service (PKM) is one of the forms of Higher Education's Tri Dharma. PKM is proposed to carry out activities that focus on socialization and education. Learning mathematics is about understanding abstract ideas or concepts, structures, and their logically and systematically organized relationships. Media is a communication component that serves as a carrier of messages from the communicator to the communicant. One of the learning media used to facilitate students is the Geogebra application. Geogebra is a computer application created to facilitate mathematics learning, especially in geometry, algebra, and calculus subjects. By using the Geogebra application, it can improve students' mathematics learning outcomes. The method used in this PKM is education and direct practice of the "jarimatika" method in multiplication problems. As a result, participants become more understanding of the Geogebra application.

The implementation of a realistic mathematical approach to learning the material of Pythagoras's theorem is carried out to encourage students to understand the material through everyday life so that the problems in the classroom gradually end in the secondary school. A realistic mathematical approach is an approach to learning mathematics that involves students to be more active by discussing in solving a problem or issue by connecting to daily life. The subjects in this study were 32 students of class VIII-3 SMP Negeri 2 Medan. This research is a Class Action Research (PTK) consisting of 2 cycles, with each cycle consisting from 2 meetings. after learning on cycle II by performing improvements from cycle I. Improvement is the planning of the student activity sheet that emphasizes the solution of issues with steps or indicators of problem-solving ability, because there are still many students who are not accustomed to the steps to solve problems. As for other improvements, namely planning activities in real life, in the 2nd cycle students solve the real problems of everyday life that students do. The researchers also provide motivation and reinforcement in learning to students to be active in group discussions and presentation of group work results to other groups, so that the interest of students in learning mathematics increases.  

This study aims to analyse the implementation of literacy programs in three primary schools, namely SDN 8 Bandar Laksamana, SDN 14 Teluk Mesjid and SDN 92 Pekanbaru. The research method used was observation and document analysis of literacy activities conducted by these schools. The results show that the three schools have implemented various types of literacy, such as literacy in reading and writing, digital literacy, science literacy, financial literacy, numeracy literacy and cultural-civic literacy. Through habituation, development and learning, students are given the opportunity to develop literacy skills holistically. Keywords relevant to this study are literacy, literacy program, primary school, observation, document analysis. This study shows that the successful implementation of literacy programs is supported by the commitment and efforts of schools in providing varied literacy experiences and actively involving students. The literacy programs help students improve their skills in reading, writing, using digital technology, understanding science, managing finances, understanding mathematics, and appreciating culture and citizenship. The findings provide important insights for educators and policy makers in improving the quality of basic education and students' literacy development.

This research aims to determine the utilization of information technology in mathematics learning in Class VIII of SMP Negeri 1 Parigi Selatan. This is a case study that describes an actual situation. In collecting data, the researcher used data collection procedures through interviews with informants, who, in this case, were students, as the source of data and information. Qualitative data analysis in this research uses the SWOT analysis method, which systematically identifies various factors to formulate company strategies. This analysis is based on the logic that can maximize strengths and opportunities while minimizing weaknesses and threats. Then, identify the types of errors and conclude. From the strengths perspective, the results indicate that implementing online learning allows learning resources to be easily accessed online. From the perspective of weaknesses, an unstable internet connection affects students' focus on learning and teaching. From the perspective of opportunities, online learning enhances students' self-learning skills and provides new insights into technology and learning. Finally, from the perspective of threats, students' learning motivation decreases.    

The objective offthis study is to assess the impact of the Think-Pair-Share (TPS) cooperativeelearning modelron the mathematical development of students. This method of investigation is quasi-experimental. This study included students from both seventh grades at SMP Negeri 4 Tabukan Utara. The data was obtained from a test designed to assess understanding of Algebraic Fractions. Class analysis results for the Think Pair ShareeCooperative learninggmodel class and the direct learning model class indicate that the average learninggoutcomes of studentsstaught utilizing the ThinkkPairrShare Cooperativeelearning modelaare greater than those of studentsstaught utilizing the direct learning model.

This study aims to explore the role of classroom management on students' interest in learning mathematics in grade IV at SDN Jelegong 01 Rancaekek. This research was conducted because there were still many students who still had difficulties in solving math problems. This research uses observation method and qualitative approach. Through observing and documenting classroom management practices, this study found that good classroom management has a positive impact on students' interest in learning mathematics. Several important aspects of classroom management that were found included effective time management, the use of effective teaching methods, positive interactions between teachers and students, and creating a conducive classroom atmosphere. The research findings show that these factors can increase students' interest in learning mathematics. Thus, the findings of this study suggest that teachers pay attention to classroom management skills and to vary teaching methods. In this way, students' interest in learning can be increased and the experience of learning mathematics becomes more positive and meaningful for students. The implications of this study emphasize the importance of developing classroom management skills for teachers in increasing students' interest in learning mathematics.

This article aims to compile information on the implementation of informatics learning outcomes (CP) in mathematics education at elementary schools. The study utilizes a descriptive analytical research approach, employing library research methods to gather data from journals, news, and books obtained from both internet sources and digital libraries. Data collection techniques involve conducting a literature review, while qualitative analysis is employed to describe the data obtained through document analysis. The results demonstrate that there are three key elements of informatics learning outcomes that are absent during phase A of mathematics education in elementary schools.

This study aims to analyze the learning interest of high class private elementary school students in Mathematics. Interest in learning is a key factor in student learning success, and a deep understanding of student interest in learning can help develop effective learning strategies. This study involved a sample of students from high class private elementary schools consisting of several age groups. Data was collected using a questionnaire specifically designed to measure students' interest in Mathematics. The questionnaire included questions regarding students' interest in the subject, confidence in solving mathematical problems, and students' perceptions of the relevance of mathematics in everyday life. The results of the data analysis showed that most of the high class private elementary school students had a negative interest in learning Mathematics. They have not shown high interest in this subject and have no strong confidence in solving math problems. In addition, students are also not aware of the relevance of Mathematics in their daily lives. It is hoped that the results of this research can provide valuable insights for educators and policy makers in increasing students' interest in learning Mathematics.

The purpose of this study is to review more deeply the use of digital media kahoot: by dragon box in learning mathematics accompanied by a description of the obstacles experienced during the use of digital-based learning media: kahoot number by dragon box in learning mathematics in training children to think critically.  Qualitative description methods with interview techniques and the application of digital media include participatory observation, interviews, and documentation.  The subjects of this study were students aged 6-9 years from Kindergarten to Grade 3 Elementary School. The results of this study indicated that the implementation of digital teaching media was carried out in four stages, namely the action planning stage to develop a plan for using digital teaching media that is suitable for use in learning mathematics in training children to think critically,  the stage of carrying out the action by learning mathematics material using digital media through the educational game kahoot: numbers by dragon box, the stage of the action results as an effort to successfully use digital teaching media that is good for the development of children's thinking from the beginning to the end of use, and the stage of reflection by assessing how the process  implementation and results in the use of digital teaching media for children aged 6-9 years.  And the obstacles found in the use of digital teaching media are in the form of installing applications and registering accounts, the process of carrying out digital teaching media.

Visual aids are tools that can stimulate students' thoughts, skills, attention and willingness so that they can encourage the learning process in students, besides that using teaching aids can provide space for students to be actively involved in every learning process. In fact, in Toyang State Junior High School, mathematics learning has not used visual aids. The props created and used are number pattern boxes made of used cardboard, which are designed in such an attractive way to form several number pattern boxes consisting of: square, rectangular and triangular boxes. This visual aid is used in the learning process for class VIII students of SMP Negeri Toyang. This training aims to help foster the creativity of students and improve students' ability to use teaching aids. The result of this training is that students get new experiences by learning to use visual aids, this can be seen from the enthusiasm of the students who are very large and students more easily understand the concept of number patterns

This study examines the effectiveness of STEM (Science, Technology, Engineering, and Mathematics) education in enhancing problem-solving skills among high school students. With the increasing demand for critical thinking and problem-solving abilities in the workforce, STEM education has become a crucial approach to preparing students for future challenges. The study aims to evaluate how project-based STEM curricula impact students' creativity, analytical skills, and overall problem-solving capabilities. Using a quasi-experimental design with a control group, the research was conducted with high school students who participated in STEM-based lessons involving the 5E instructional model. Data collection involved pre- and post-tests, classroom observations, and semi-structured interviews to measure changes in student skills. The findings indicate that students exposed to STEM education demonstrated significant improvements in problem-solving, creativity, and analytical thinking compared to their peers in traditional lecture-based classes. The study highlights the advantages of project-based learning in promoting active student engagement and fostering skills necessary for addressing real-world problems. These results suggest that STEM education can be more effective than traditional methods in cultivating essential 21st-century skills. The study recommends the broader implementation of STEM strategies in secondary education and further exploration of the long-term impact of STEM learning on various skills required in the professional world.

The type of research used in this study was Classroom Action Research (CAR), which consisted of two cycles, each cycle consisting of 4 meetings. Research procedures include planning, implementing actions, observation, and reflection. The subjects in this study were 32 students of class IV at SDN Minasa Upa, Rappocini District, Makassar City. The results showed that in the first cycle, out of 32 students, only 18 students or 56.2% completed individually, where an average score of 62.8 was obtained with 4 students very critical (12.5%), 4 students critical (12, 5), 10 students are quite critical (31.2%), and 14 students are less critical (43.7%). Whereas in cycle II which was completed individually of 32 students there were 25 students or 78.1%, where an average value of 75.7 was obtained with 13 students very critical (40.6%), 5 students critical (15.6%) , 7 students are quite critical (21.8), and 7 students are less critical (21.8). Based on the results of this study, it can be concluded that students' critical thinking skills in mathematics class IV at SDN Minasa Upa, Rappocini District, Makassar City through the application of the Problem Based Learning (PBL) model have increased.                                                                                     

This study aims to explore the effect of innovative mathematics learning in the Merdeka curriculum at MIN Kedungwuni.  Using a literature study and interview approach, this research examines the perceptions and experiences of stakeholders, such as teachers, students and parents, related to the implementation of these innovations.  The findings of this study are expected to provide insight into the effectiveness of mathematics learning innovations in increasing students' interest, conceptual understanding, critical thinking skills, collaboration, and mathematics achievement.  The results of this study can provide a basis for further development in innovative mathematics learning in elementary schools

This research is based on the problems found based on the results of interviews with mathematics teachers and students at SMPN 1 Lareh Sago Halaban that the media used in the learning process only uses the blackboard with lecture and discussion methods, there is no technology-based learning media, especially educational games that are used by teachers to students related to mathematics lessons caused a lack of interest and activeness of students in mathematics subjects. Based on this, the solution given is to design a learning media. The purpose of this research is to produce learning media products in the form of educational games with the help of software Building 2 mathematics subjects at SMPN 1 Lareh Sago Halaban. The design of mathematics education games uses the construct 2 design application at SMPN 1 Lareh Sago Halaban with the Research and Development (R&D) research method using the MDLC (Multimedia Development Life Cycle) development model from Luther Sutopo the development model is explained in 6 stages, namely Concept, Design, Materials Collection, Assembly, Testing and Distribution. The product test used in the research is the validity test, practicality test, and effectiveness test. The product test results show that the educational games designed are valid, practical and effective. For the results of the validity test of three validators, the score was 0.88, the practical test by 3 practi- tators was 0.97, and the effectiveness test of twenty people was 0.92.

This research focuses on developing a game-based learning model to improve students' mathematical problem-solving abilities of class XI students at SMK Pratidina Makassar. This model was designed to make the learning process more interesting and interactive while increasing students' understanding of mathematical concepts. Through a game approach, students are invited to think critically and analytically in solving mathematical problems, so that their problem-solving abilities can develop. The research results show that this game-based learning model is effective in improving students' mathematical problem-solving abilities. Apart from that, this model also succeeds in creating a more enjoyable learning atmosphere and students' learning motivation is higher. Therefore, this research recommends implementing a game-based learning model in teaching mathematics.

The purpose of this study is to compare the learning outcomes of students who were taught a system of linear equations with two variables using the Contextual Teaching and Learning model versus those who were taught the same material using the Direct Instruction methodology. Class VIII-1, which used the Contextual Teaching and Learning approach, and class VIII-2, which used the Direct Instruction model, were the topics. This study used a Posttest Only Control Group Design and a Quasi-Experimental Method. The sample for this study was drawn from two classes, specifically classes VIII1 and VIII2, each of which included 25 pupils. Both classes were equal and uniform. This data analysis is tested using the t-test with the parameters tcount = 5.020 > ttable = 2.059. H1 is accepted because H0 is refused. For instance, the Contextual Teaching and Learning (CTL) methodology can help students learn more effectively utilizing social math tools.

Behind the success of successful online teaching and learning, there must be careful preparation in creating or building the system. Some complaints that are around us are that some students have difficulty in online-based mathematics learning. Some of them have difficulty signaling due to cloudy or rainy weather, not having money to buy internet quota, boredom during the teaching, and learning process, and difficulty understanding the material in online learning. Although there are examples that have been explained by the teacher, they still do not understand what their teacher teaches them. The teacher had already made learning materials using instructional video media, but it was still not enough for students to understand the polynomial material taught by the teacher, and according to the teacher the main problem was that the students' ability to memorize formulas was still lacking. The objectives of this research to see validity, effectiveness and practicality of the video development using PowerPoint and Filmora application. This research is development research that applies the Dick & Carey development model. This research focuses on developing learning videos using PowerPoint as a learning media, and Filmora as a learning video editing medium.

Mathematics is often considered a difficult subject by students so it is not uncommon for students to experience learning difficulties such as experiencing anxiety when learning mathematics, therefore this study aims to describe the level of anxiety, describe the factors that cause anxiety, and how anxiety affects student learning difficulties class X at MAS YMPI Tanjungbalai. In this study, the number of research subjects was 36 students with a sampling technique, namely purposive sampling. Data collection in this study was in the form of data field notes using observation, questionnaires, interviews and documentation. Learning difficulties can be interpreted as a condition in the learning process which is characterized by the presence of certain obstacles to achieve learning outcomes. In this study it refers more to the problem of student anxiety which is an obstacle in achieving learning objectives. This research is a type of qualitative research and the validity technique in this study uses time triangulation. Based on the results of data analysis and discussion regarding the level of student anxiety in learning mathematics, it can be concluded that from 36 students, 8 (22.2%) students experienced high levels of anxiety, 23 (63.9%) students experienced moderate anxiety levels and 5 (13.9) %) students have a low level of anxiety. The anxiety of the students with the low anxiety category was more responsive and very enthusiastic in learning mathematics compared to the other two categories, namely the moderate anxiety category and the high anxiety category. Based on data analysis on average student learning outcomes, students with high levels of anxiety will have an average learning outcome lower than students with medium anxiety levels and high anxiety levels.

This Community Service Program aims to strengthen literacy and numeracy in elementary school (SD) students where the focus is to provide assistance to students about the importance of strengthening literacy and numeracy in students. This activity was carried out by lecturers and students from the Mathematics Education Study Program and the Economics Education Study Program, the Teaching and Education Faculty, HKBP Nommensen University Medan. The implementation of Community Service activities in strengthening literacy and numeracy in students began on 06 February 2023 and ended on 25 February 2023. Previously, this Community Service activity had been socialized to students of SD Negeri 040536, in every classroom and it was seen that the cause of the lack of literacy and numeracy in students is still low due to lack of learning and arithmetic exercises. This problem was then minimized by carrying out related Community Service Program activities to strengthen literacy and numeracy for elementary school students. This program is an important matter in efforts to improve the concept of numeracy in schools.

The low students' avarage number of mathematical critical thinking skills in class VIII SMPN 1 Candung ranged from 82.14% to 89.29%. To overcome this problem, researchers tried to conduct research by applying the EXO OLO TASK learning model in learning mathematics. This type of research is pre-experimental research with the research design The Static Group Comparison Design. The population in this study were all students of class VIII SMPN 1 Cawang. The samples in this study were students of class VIII.2 as the experimental class and VIII.1 as the control class. The instrument in this study was a test of students' mathematical critical thinking skills in the form of an essay test. The results of the study using the t-test obtained t_count=1.92 > t_table=1.674, so H0 was rejected. For Minitab software testing at a significant level of a = 0.05, Pvalue = 0.002 is obtained, meaning Pvalue <a, so H0 is also rejected. So it can be concluded that students' mathematical critical thinking skills using the EXO OLO TASK learning model are better than students' mathematical critical thinking abilities using conventional learning in class VIII SMPN 1 Cdungung.