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This study aims to determine the effect of the mindmap-assisted STEM approach on students' Higher Order Thinking Skills in learning biology class X SMA Negeri 4 Kerinci. This research is experimental research with a group pretest-posttest design model. The population in this study came from students of class X MIPA SMA Negeri 4 Kerinci in the academic year 2021/2022. The research sample was students of class X MIPA 2 and Class X MIPA 4. The sampling technique used was the random sampling technique. The data collection technique in this study was in the form of an objective test consisting of 20 HOTS questions that had been validated by experts. Data analysis is quantitative data analysis with tests using the SPSS 21 application. The results of the study can be concluded that the STEM approach has a significant effect on students' higher-order thinking skills in learning biology with the results of hypothesis testing 0.00 < 0.05. Furthermore, the STEM approach can increase students' HOTS in biology learning, the average score of the experimental class students is 85.76 and the control class is 70.31.

This research aims to analyze meta data related to the use of the Mathway application by looking at research objectives that relate to the use of the Mathway application. This research uses the SLR (Systematic Literature Review) method. This systematic review identified 8 articles through the Google Scholar database published in 2018-2023. Data collection used the PRISMA procedure. The results of this research show that there are 3 research objectives related to the use of applications in mathematics learning, namely, 1) To find out how important the influence of technology is on mathematics learning for educators and students, 2) To find out how useful an application is in mathematics learning for educators and students, 2) To find out how useful an application is in mathematics learning for educators and students, and 3) To determine learning outcomes based on student interest and learning motivation.

This research aims to analyze meta data related to real analysis lecture problems. This research uses the SLR (Systematic Literature Review) method. This systematic review identified 7 articles through the Google Scholar database published in 2019-2024. Data collection used the PRISMA procedure. The results of this research show that there are 3 research objectives related to the problems of real analysis lectures, namely: 1) to find out what factors influence students' learning difficulties during real analysis courses, 2) to find out students' reasoning abilities in real analysis courses, 3) to find out how much students know about the connection between real analysis and school mathematics.

Learning is a process of change for each individual, both in knowledge and attitudes. Every individual after learning will experience changes in their life. When studying at school, teachers only tend to teach students to memorize, read and calculate. Teachers have an important task in the learning process in class to improve students' learning abilities and understanding of the material provided. Based on observations made by the author, at SD N Pajang 3 teachers tend to be monotonous and use the same learning methods every day so that students quickly get bored and have difficulty understanding the material, especially in mathematics lessons. Based on the researcher's observations during the learning process in class 3, especially in mathematics, it was proven that many students did not understand so that based on test scores students got a score of 60. This research uses a qualitative approach which aims to determine the improvement in learning outcomes of class 3 students at SD N Pajang 3 before and after carrying out learning using concrete media. This research was conducted descriptively, namely by providing a pretest and posttest. Based on the results of this research, it was concluded that the use of concrete media had a positive impact and was effectively used in improving students' addition skills.

Community Service (PkM) Faculty of Teacher Training and Education (FKIP) HKBP Nomensen University Medan is a service program carried out by a team of students and DPL lecturers with the title "Utilization of Fiction Text Media and Mentimeter in Increasing Literacy in Literary and Numerical Language in High School Students Private Tri Sakti Lubuk Pakam”. The Community Service Program (PKM) of the Faculty of Education and Teacher Training is implemented by the university in an effort to increase knowledge in students to gain added value and as a means of increasing insight and experience which can trigger broader knowledge for students. This activity aims to improve student character by using fictional text media and time meter in learning Indonesian and Mathematics, especially for TRI SAKTI Lubuk Pakam Private High School students, to be able to apply and receive Indonesian and Mathematics tutoring well, and be able to demonstrate knowledge Using the Mentimeter application or characters on students after participating in PKM community service activities can help the community, especially students, in completing missed lessons.

The research was conducted to determine students' mathematical communication skills and their influence on mathematics education, consisting of 3 questions about number patterns. The instrument has gone through question validation, then given to class VIII students at one of the Pekanbaru MTS with procedures including: 1). Planning, 2). Implement, and 3). Assessing Results. The subjects in this research were 14 eighth grade students from the MTS Pekanbaru school. The approach to this research is descriptive and quantitative, and uses data collection techniques such as observation, data collected from test instruments, and errors in completion. The student's communication skills are in the "medium" category as shown by the research results.

The aim of this research is to provide a study of the computational thinking process of mathematics learning. This research uses library research methods. The data obtained is the publication of research articles in scientific journals. Data analysis includes three stages: organize, synthesize, and identify The result of previous research is students' computational thinking abilities need to be improved in abstraction and algorithms.      

This research aims to analyze the effect of using Web Wordwall in training students' computational thinking skills in mathematics learning with a qualitative approach. The research subject is the Director General of Teachers and Education Personnel, while the object is education that is liberating and pro-student. Data obtained from online and offline information sources is recorded in a structured manner, then analyzed to be synthesized into a systematic conceptual framework. Conclusions are drawn by taking the essence of the conceptual framework that can answer the research questions posed. The research method used is a case study with a focus on participatory observation, in-depth interviews and document analysis. Data was collected through literature study and analysis of learning materials. Data analysis was carried out using an inductive approach, by looking for patterns of findings and main concepts from the data collected.

This research aims to analyze the effect of using Web Wordwall in training students' computational thinking skills in mathematics learning with a qualitative approach. The research subject is the Director General of Teachers and Education Personnel, while the object is education that is liberating and pro-student. Data obtained from online and offline information sources is recorded in a structured manner, then analyzed to be synthesized into a systematic conceptual framework. Conclusions are drawn by taking the essence of the conceptual framework that can answer the research questions posed. The research method used is a case study with a focus on participatory observation, in-depth interviews and document analysis. Data was collected through literature study and analysis of learning materials. Data analysis was carried out using an inductive approach, by looking for patterns of findings and main concepts from the data collected.

Computational Thinking skills are students' ability to use mathematical concepts to solve problems systematically using algorithms and programming. This research aims to measure the development of Computational Thinking skills of students at SMA N 3 Medan on algebraic function limits material. The research method used is survey research with data collection using tests and observations. The subjects of this research were class XI students from SMA N 3 Medan who were studying algebraic function limits. The research results show that there is significant development in students' Computational Thinking skills after studying the material. The implication of this research is the need for a learning approach that focuses more on developing Computational Thinking skills in mathematics learning in high school.

The main purpose of this research is to determine the development and validity of the development of teaching materials based on local wisdom learning media at SDI Mauloo. development of local wisdom-based learning media teaching materials at SDI Mauloo. (2) To determine the validity of the development of local wisdom-based learning media teaching materials at SDI Mauloo. This research was conducted at SDI Mauloo. This research was conducted in the even semester, starting from March 1 to April 1, 2022. This type of research is Research and Development(R&D) and the data collection tool is a questionnaire. The data sources for this research are 5th grade students and mathematics teachers at SDI Mauloo. Based on the results of these calculations, obtained for V the combined = 87.5% . Furthermore, the results of these calculations are interpreted with criteria. Based on the validity criteria, the assessment of the validator, namely for V combined = 87.5%, included in the valid criteria, so that this learning media module can be used without revision and is feasible to use during the learning process. The revisions and suggestions for improving the module are taken from the suggestions and input of the validators. So, the results of this study concluded that the mathematics learning device was a valid local wisdom-based learning media module.

This research was conducted at SD Negeri Karyabakti IV, aimed to determine whether the cooperative learning model of STAD (Student Teams Achievements Divisions) could enhance mathematics learning outcomes on the topic of mixed operations of integers for fourth-grade students at SD Negeri Karyabakti IV. The subjects of the study were 37 fourth-grade students consisting of 22 male students and 15 female students. Data collection was carried out through observations conducted by the school principal and peers, and also by assessing students' mathematics learning outcomes through written tests. The results of this study can be summarized as follows: 1) The Student Teams Achievement Divisions (STAD) learning method applied by the researcher to fourth-grade students at SD Negeri Karyabakti IV, focusing on the topic of mixed operations of integers, could enhance students' mathematics learning outcomes. This can be seen in the improvement of students' mathematics learning outcomes from the pre-cycle stage with a KKM completeness rate of 10.81%, which increased to 45.54% in the first cycle and further increased to 72.97% in the second cycle. 2) The mathematics learning using the Student Teams Achievement Divisions (STAD) method also improved teacher performance.

This study aims to explore the implementation of Lesson Study with the Realistic Mathematics Education (RME) approach in teaching mathematics to sixth-grade students at SD Negeri Karyasari 1. The method of classroom action research was employed to observe two cycles of teaching, involving planning, implementation, and evaluation of lessons. Data were collected through observation, interviews, and analysis of student learning outcomes. The results of the study indicate that the application of the RME approach within the Lesson Study framework can enhance students' understanding of mathematical concepts, improve learning motivation, and strengthen collaboration among teachers. This research provides valuable insights into the effectiveness of this instructional approach in the context of primary education.

This service aims to explain the increase in mathematics learning outcomes in multiplication material by applying the fast mathematical multiplication method in class XII at MA Darussalam Manuju. Data collection techniques use observation, interviews and documentation techniques. The method used was classroom action research, the research subjects were teachers and 15 class XII students. Instruments include interview sheets, observation sheets and learning results test sheets. using the Kemmis and Mc Taggart research design model. The results show that the application of the fast mathematical multiplication method can improve students' mathematics learning outcomes and understanding of multiplication. This can be proven based on the percentage results of cycle I and cycle II. The percentage of 0% in the very good category in cycle I increased to 60% in cycle II.

This research aims to evaluate the effectiveness of the Missouri Mathematics Project (MMP) Learning Model in improving mathematics learning outcomes for junior high school students. This study employs a comparative approach, comparing mathematics learning outcomes between students taught using MMP and those taught using conventional teaching models. Data were collected through hypothesis testing of mathematics learning outcomes for both groups. The data analysis results indicate a significant difference in mathematics learning outcomes between the two groups, with a significance value (sig.) smaller than the commonly used significance level. These findings suggest that the implementation of MMP effectively improves mathematics learning outcomes for junior high school students. The practical implications of these findings are discussed in the context of developing more effective and inclusive mathematics teaching strategies.

Mathematics learning in SD Negeri Cikampek Kota faces several complex issues, including irrelevant curriculum, low teaching quality, low student interest and motivation, and limited resources. To address these problems, integrated actions from various stakeholders are needed. Recommended actions include refining a more relevant and integrative mathematics curriculum, enhancing teaching quality through teacher training and mentoring, utilizing technology in learning, boosting student motivation, involving parents and the community, and developing collaborative learning approaches. By implementing these strategies holistically and sustainably, it is hoped that the understanding and achievement of mathematics among students in SD Negeri Cikampek Kota can be improved. Ongoing evaluation and feedback are also necessary to ensure the success of improvement efforts. Thus, mathematics learning in SD Negeri Cikampek Kota is expected to become more effective and competitive, in line with national education goals.

In learning activities, motivation is an encouragement or process to direct students in achieving learning goals. The research was motivated by the very diverse problem of students' learning motivation in mathematics subjects in class XI TFLM-3 SMK Negeri 5 Surabaya. This can be seen from the results of the researcher's observations, where when they are about to start learning activities, many students still think that mathematics is less interesting and boring so that students are always less ready to start learning mathematics and the learning that was usually carried out by previous mathematics teachers was just learning. just lectures and assignments. This research aims to determine the increase in students' learning motivation in mathematics subjects through differentiated learning based on content. This research uses a type of Classroom Action Research (PTK) which consists of two cycles using data collection techniques in the form of questionnaires and observation. This questionnaire is used to determine learning satisfaction that motivates students after carrying out learning strategy treatment. The results of research using differentiated learning based on content show an increase in students' learning motivation from pre-cycle activities 63,8% to 73,1% in cycle I, then continued with cycle II. It shows that the presentation average of students' learning motivation in mathematics subjects is 83,2% From the results of this research it can be concluded that using differentiated learning based on content is successful in increasing students' learning motivation in mathematics subjects in class XI TFLM-3 SMK Negeri 5 Surabaya.    

In this research, researchers developed innovations in the use of technology-based learning media in mathematics learning. Based on searching for problems in the field, researchers found the monotony of the learning process and the lack of interest in mathematics learning, especially in class V fraction material. From the above problems, it is necessary to have learning media that can be interesting and fun for students. This research aims to determine the suitability and readability of students in the Smart App Creator mathematics learning media for class V elementary school fractions. The type of research used is Research and Development (RnD), which researchers have modified into 7 stages, namely: searching for potential and problems, data collection, product design, design validation, design revision, product testing, and product revision. In the research instrument, the researcher used a questionnaire, with test respondents on 2 class V teachers and 11 class V students. Data analysis techniques in this research used qualitative and quantitative. The results of the research developed by Android-based media applications in mathematics learning material for fractions in class V elementary school using Smart App Creator are in terms of material experts the percentage is 85.83% with a decent level of validity, in terms of media experts the percentage is 88.67% with a decent level of validity, in terms of linguist percentage 78.67% with a decent level of validity. In the media readability questionnaire, students got a percentage of 92.5% with a very decent level of validity.

This research aims to explain a review of the relationship between Self-efficacy and the ability to understand mathematical concepts, and how to develop and measure student Self-efficacy. In this research, the Systematic Literature research method was used which aims to obtain data from relevant research. With research sources coming from Google Scholar, Researchgate, Scopus, Syntax, and DOAJ. In this research, 17 reference sources were collected to obtain data and information. Information collected regarding differences in mathematical concept abilities in students' Self-Efficacy criteria, Development of Self-Efficacy in students in mathematics learning, Impact of students' Self-Efficacy on their ability to understand mathematical concepts, Measurement techniques (Indicators) of Self-Efficacy Efficacy of students' understanding of mathematical concepts. From the data collected, it was found that the technique that is often used is the Bandura technique. To develop self-efficacy in mathematics learning, you can focus on learning objectives, adding learning models, as well as 4 triggers, including: Mastery of experience, represented experience, social persuasion, and physical and affective conditions. In activating or applying these abilities, self-efficacy can have a positive impact on learning for students through external and internal learning activities of individual students. And self-efficacy is also useful in maintaining students' resilience in answering difficult questions, as well as understanding the concepts more deeply.

Mathematics learning in SD Negeri Cikampek Kota faces several complex issues, including irrelevant curriculum, low teaching quality, low student interest and motivation, and limited resources. To address these problems, integrated actions from various stakeholders are needed. Recommended actions include refining a more relevant and integrative mathematics curriculum, enhancing teaching quality through teacher training and mentoring, utilizing technology in learning, boosting student motivation, involving parents and the community, and developing collaborative learning approaches. By implementing these strategies holistically and sustainably, it is hoped that the understanding and achievement of mathematics among students in SD Negeri Cikampek Kota can be improved. Ongoing evaluation and feedback are also necessary to ensure the success of improvement efforts. Thus, mathematics learning in SD Negeri Cikampek Kota is expected to become more effective and competitive, in line with national education goals.