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The purpose of this study was to find out how the use of slide rule media can improve students' numeracy skills in integer arithmetic operations for Kanatang State Special School students. This Classroom Action Research (PTK) was conducted at the Kanatang Foreign School in the Odd Semester of the 2022/2023 academic year. The subjects in this study were the students of the Kanatang State Special School, which consisted of 10 students, namely 5 students and 5 female students. The research object is the Ruler Count media in learning addition and subtraction of integers in Mathematics. The procedures/steps of this Classroom Action Research consist of cycles. Implementation of this Classroom Action Research each cycle includes: planning, implementation of action, observation, and reflection. The instruments used in this study were pre-test questions, post-test questions for each cycle, and interview guidelines. The questions made consist of 10 numbers in the form of an essay test. The data collection technique used was the provision of tests, interviews, observations and field notes. The instrument used is a test in the form of a description. Data collection was carried out in three stages, namely: (1) reducing data, (2) presenting data, and (3) drawing conclusions. The results showed that student activities and teacher activities in learning activities in cycle I reached the Good category and cycle II was very good. The results of the analysis of the final test cycle I obtained the percentage of average scores with student absorption reaching 60% and learning completeness reaching a percentage 70% of 10 students. Whereas in the analysis of the final test cycle II there was an increase according to the results of observations of student and teacher activities, the percentage of the average value of student absorption reached 90% with classical learning completeness reaching the target percentage of 100% of 10 students. This has shown that there is an increase in the learning outcomes of Kanatang State Special School students in the material of addition and subtraction of integers by using the integer slide rule.

This study aims to describe the application of the scaffolding technique given by the teacher to overcome students' learning difficulties in solving word problems in the material of a system of two-variable linear equations. This type of research is case study research. The subjects of this study were 36 grade 8 students of junior high school. Subject taking using purposive sampling technique. The data collection technique uses the Learning Implementation Plan (RPP) instrument, syllabus, interviews, field notes, and documentation, each of which has been tried out and has met the validation requirements by the validator. The data analysis technique used is the process of data reduction, the process of presenting data, the process of drawing conclusions. After being given the scaffolding technique in each group, it was found that students were able to complete the test with good and correct completion steps. Students are able to determine variables and mathematical models correctly. In addition, students are also able to explain the steps of solving well.

Financial intelligence is an individual's ability to understand, manage, and optimize the management of personal finances. Financial mathematics is becoming an important tool in developing financial intelligence. In this research using literature study method this method involves the search and collection of information from related literature sources. Through financial mathematics, one can calculate the future value of an investment, estimate the return on an investment, calculate annuity payments, understand the concept of time value of money, and analyze investment risk. The application of financial mathematics in financial intelligence provides an advantage in taking better financial decisions and managing finances effectively. By utilizing financial mathematics, one can improve their understanding of Finance, make effective financial planning, and take better financial decisions.

    This study aims to describe students' ability to solve open-ended problems based on aspects of fluency, flexibility, and novelty. This type of research is qualitative. The subject taking technique in this study was purposive. The instruments that the researchers used were open-ended tests and interview guides. The research subjects were 3 students of SMP Negeri 2 Puring class VIII for the 2021/2022 academic year who had high abilities. The data collection technique used is in the form of test sheets in the form of circle questions, field notes, interviews, and documentation. The data analysis technique used is the analytical technique from Miles & Huberman which includes three activities, namely data reduction, data presentation, and drawing conclusions. The results of this study indicate that students with high abilities have a level of creative thinking 3 (creative). Students with high abilities in solving circle problems can fulfill two of the three indicators that the researcher used. The indicators are fluency and flexibility. Fluency indicators are shown by students being able to answer questions fluently and correctly. The indicator of flexibility (flexibility) is shown by students being able to answer questions with more than one way of solving.

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 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 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.

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 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.

. Fraction is one of the materials in mathematics subject in class VII odd semester, which students must master well. Because this material continues from elementary school. Fraction is related to every day, and many problems use the concept of fractions. The research aims to describe the errors according to Newman's procedure, which students carry out to solve the issues. The methods used in data collection were tests and interviews. The written examination was given to class VII 15 students as the subject. The test questions consist of 4 item description questions, then from the results of the written test of 5 students who made mistakes according to the Newman procedure. The results of research that have been carried out on students according to Newman's approach in solving fractions questions as indicated by the results of their daily tests, the most frequent error is the process skill error and encoding error with a percentage of 58,33%, the transformation error is 51,66%, comprehension error 41,66% and the last percentage of reading error 25 %. The causes of student errors include being unable to read correctly, not understanding fractions, and being unable to determine the formula or steps to use, such as making mistakes in the calculation process and writing wrong information or answers.

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.

This study aims to compile a Lecture Schedule at the Mathematics Education Study Program, Faculty of Mathematics Natural and Earth Sciences Manado State University using the Welch-Powell Algorithm. The scheduling of lectures at the Mathematics Education Study Program, Faculty of Mathematics and Natural Sciences, Manado State University often collides because several lecturers have different numbers of courses and credit rights. This it can be seen that the method of preparing lectures used is still not effective and efficient. Preparation of a course schedule is an action taken so that time can be managed as effectively and efficiently as possible. The preparation of this lecture schedule will use a simple graph with input data, namely the number of lecturers, number of courses, credits for each course, days used in the week, time slots and number of classes used. After getting the input data, point coloring is carried out in coloring on the graph using the Welch-Powell Algorithm assisted by MATLAB software to get an effective and efficient class schedule. Lecture Schedule Arrangement in the Mathematics Education Study Program, Department of Mathematics, Faculty of Mathematics, Natural and Earth Sciences, Manado State University using the Welch-Powell Algorithm produces a schedule that does not collide, so that the Welch-Powell Algorithm can help prepare an effective and efficient class schedule .

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.

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.

The purpose of this study is to describe the results of the analysis of improving students' mathematical communication skills with Realistic Mathematics Education approach. The type of this research is descriptive qualitative research using the library research method. The subject of this research is the most published articles in published journals about mathematical communication skills through Realistic Mathematics Education approach to junior high school students. Based on the findings from 5 journals, it was found that students' mathematical communication improved better in students who studied with Realistic Mathematics Education approach compared to students who studied with conventional learning. Realistic Mathematics Education approach can improve students' ability to describe, understand, and represent mathematical ideas contained in pictures, tables or diagrams. So, Realistic Mathematics Education approach is one approach that can improve students' mathematical communication skills at the junior high school level with effect size score of 1,158 in the large effect category.