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Education serves as a crucial foundation for fostering collaborative skills among students, particularly in subjects requiring in-depth understanding such as mathematics. This research aims to investigate the impact of implementing the Jigsaw Learning Model in enhancing the level of collaboration among students in the context of mathematics learning. The Jigsaw Learning Model, introduced by Aronson and Patnoe (2011), emphasizes collaboration and active involvement of students. This method involves collaborative learning where each student is responsible for a portion of the learning material and must collaborate with their peers to comprehend the entire concept. This study explores the effectiveness of this model in improving collaboration among students in mathematics learning. Through an experimental research design, data is collected through classroom observations, interviews, and document. Data analysis is conducted to measure changes in the level of student participation, understanding of mathematical concepts, and their perceptions of collaborative learning. The results of this research are expected to provide valuable insights for educational practitioners and researchers regarding the potential of the Jigsaw Learning Model in enhancing student collaboration in the context of mathematics learning.

This study assesses the effectiveness of peer tutoring programs in enhancing students' performance in STEM subjects (Science, Technology, Engineering, and Mathematics). A longitudinal analysis of a peer tutoring initiative in a high school setting revealed significant improvements in both the academic performance of tutees and the tutoring skills of peer tutors. The research highlights the mutual benefits of peer tutoring, with tutees gaining better understanding of STEM concepts and tutors reinforcing their own knowledge. The findings suggest that peer tutoring is a valuable pedagogical tool in STEM education.

Background: Mathematics is a very important subject to study. Mathematics lessons include the development and use of concepts such as numbers, formulas, geometry, and algebra to understand and explain phenomena in various contexts. To improve the quality of students' mathematics learning, it is necessary to develop material through a learning method which is expected to improve students' abilities in solving mathematical problems. Method: The research design is "Pre-Experimental Whithout Control Group Design". The population in this study was the fourth grade students of SD Negeri 2 Muara Aman, totaling 25 people. The sampling technique in this study used a total sampling technique where the entire population was sampled, namely 25 people. The results of this research were analyzed using the Paired t-test using SPSS 22 software. Results: The average mathematics score of respondents increased after being given the intervention by 51.13. Result: The results of the Paired T Test showed a p value of 0.000< α=0.05. Conclusion: The conclusion of this research is that there is an influence of the drill method on improving mathematics learning outcomes for fourth grade students at SD Negeri 2 Muara Aman in 2023. It is hoped that the results of this research will become a reference for teachers in developing effective learning methods to increase students' motivation and enthusiasm in learning interesting mathematics subjects. positive impact on increasing elementary school student learning achievement.

This study was motivated by the low mathematics learning outcomes and cooperation skills of fourth grade students of SD Negeri Koroulon 1, so the purpose of this study was to improve mathematics learning outcomes and cooperation attitudes of students by using the Problem Based Learning model. The type of research used is Classroom Action Research (PTK) which is carried out in two cycles. the subject of this research is grade IV students. The instruments in this study used test and non-test instruments. Evaluation tests were used to collect data on student learning outcomes, while observation sheet instruments were used to collect data on student cooperation. the results of this study indicate an increase in learning outcomes as seen from the percentage of completeness from 42.1% to 84.2% at the end of cycle II. The increase also occurred in the average value of student cooperation from 51.2 to 74.89 at the end of cycle II. Based on these results, it can be concluded that the Problem Based Learning model can improve students' math learning outcomes and cooperation.

The student worksheet, also known as LKPD, is a crucial element in the educational process inside schools. Nevertheless, several LKPDS fail to satisfy the requirements of being feasible, valid, and successful in enhancing the abilities of science process learners. Furthermore, the absence of stimuli in the LKPD to foster critical thinking among learners is a pressing issue that requires attention. The objective of this project is to create a Science, Technology, Engineering, Arts, and Mathematics (STEAM) focused Learning Kit and Performance Dashboard (LKPD) that may enhance the scientific process and creative abilities of fourth-grade children in primary school, specifically in relation to plant matter. The study employed the ADDIE Development paradigm, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation. The findings demonstrated that the STEAM-oriented LKPD created had a positive impact on enhancing the science process abilities and fostering creativity among fourth-grade pupils in relation to plant matter. Furthermore, the enthusiasm for acquiring knowledge and the level of scientific literacy also exert a beneficial impact on the science process abilities of individuals. Teachers and learners also evaluate the LKPD for its viability and practicality

This research aims to determine students' ability to understand mathematical concepts through the application of the Realistic Mathematics Education learning approach and to find out how the students' answers process in solving problems on tests of students' ability to understand mathematical concepts after applying the Realistic Mathematics Education learning approach in class VIII-1 of SMP Nurul Islam Indonesia Medan. This type of research is classroom action research through cyclical learning stages. The subjects of this research were 13 students in class VIII-1 of SMP Nurul Islam Indonesia Medan and the object of this research was the students' ability to understand mathematical concepts by applying the Realistic Mathematics Education learning approach to statistical material. Based on the research results, it was found that by applying the Realistic Mathematics Education learning approach, students' ability to understand mathematical concepts in statistical material in class VIII-1 at Nurul Islam Indonesia Middle School in Medan was improved, namely in cycle I the average student ability was only 30.76 with a completion percentage of only 8% of students completed. In cycle II the average student ability increased to 92.95 with a student completion percentage of 100%, so that students had met the classical completion percentage, namely ≥85%. The results of this research show that by applying the Realistic Mathematics Education learning approach to statistics material in class VIII-1 of Nurul Islam Indonesia Middle School in Medan, students can improve their ability to understand mathematical concepts.

This research aims: (1) students' mathematical reasoning ability using the Discovery Learning learning model is higher than students' mathematical reasoning ability using conventional learning models in class VII MTs Yaspi Labuhan Deli, (2) the process of solving answers made by students in solving problems in the Discovery Learning learning model and Conventional learning model. This type of research is quantitative research with Quasi-Experimental methods. This research was conducted at MTs Yaspi Labuhan Deli. The sampling technique in this study uses Purposive Sampling techniques, namely class VII-A as a class taught with a Discovery Learning learning model and class VII-B as a class taught with a conventional learning model. The data collection instrument used was in the form of observation sheets and student mathematical reasoning ability test sheets in the form of 3 essay questions. Data analysis in this study used t-Test with Independent Sample t-Test technique with the help of SPSS 20 program. The results of this study showed that the average score of classes taught using the discovery learning model was 78,01 and classes taught using conventional learning models were 72,22. For hypothesis testing carried out using a t-test, from the calculation results obtained a value of  (2.664) >  (1.66757) with a Sig.2-tailed level of 0.010 < 0.05, which means that  rejected and  was accepted, so that it is concluded that there is a significant difference in the average mathematical reasoning ability of students using the Discovery Learning learning model and the Conventional learning model. Based on the analysis of the process of completing students' answers to the mathematical reasoning ability test that get Discovery Learning learning is better than students who get conventional learning.

Education in elementary schools has the aim of helping students understand problems in everyday life. The national education system states that education aims to develop the potential of students to become human beings who have faith, noble character, health, knowledge and responsibility. In the context of mathematics education, the PMRI (Indonesian Realistic Mathematics Education) approach is used to help students understand mathematical concepts through real experiences and the context of everyday life. The data grouping learning trajectory using the PMRI approach aims to help grade 1 elementary school students understand the concept of data grouping. The use of sorting and choosing props can also improve the learning outcomes of low grade students in sorting and selecting certain objects or concepts. The aim of this research is that it is hoped that students can learn more effectively through direct experience, visualization and physical movements involved in the sorting and choosing process. Data was collected through interviews and tests. Based on the results and discussion of the research that has been conducted, it can be concluded that the design of a data grouping learning trajectory for elementary school students using an Indonesian realistic mathematics education approach is theoretically able to provide a deeper understanding of data grouping for grade I elementary school students. With the principles in PMRI, students are given the opportunity to develop a conceptual understanding of data grouping with the help of the images provided.

The objective of this research is to investigate the potential impact of implementing the TPS cooperative learning model on enhancing the self-confidence and mathematics communication abilities of seventh-grade students at SMP Negeri 5 Percut Sei Tuan. The specific focus will be on the Set content. This study used a class action research design, consisting of two distinct cycles. Each iteration comprises two meetings. The participants in this research consisted of 28 students from class VII-8 of SMP Negeri 5 Percut Sei Tuan. The primary focus of this study is to enhance students' self-confidence and mathematical communication abilities by using the TPS cooperative learning model on Set material at SMP Negeri 5 Percut Sei Tuan during the academic year 2022/2023. Based on the findings derived from the analysis of the data, it was observed that the mean score for students' initial self-confidence was 53.61. Additionally, the mean test score for students' initial communication skills was found to be 44.92. Among the participants, a total of 3 students (13.04%) demonstrated mastery in this area, while the remaining 20 students (86.95%) had not yet achieved mastery. The learning process in cycle I was conducted using the TPS model. As a result, the average score of student confidence increased to 62.14, while the average score of the mathematical communication ability test increased to 55.80. Out of the total number of students, 8 students (34.78%) reached the completion criteria, while 15 students (65.21%) did not reach the completion criteria. In the second cycle, there was an observed increase in student performance. The average score for student confidence was recorded as 76.29, while the average score for the mathematical communication ability test was 75.97. Out of the total number of students, 19 students (82.60%) achieved completeness in the test, while 4 students (17.40%) did not reach completeness. The self-confidence questionnaire and mathematical communication skills exam administered in cycle II yielded results indicating a satisfactory level of student proficiency. 

This research is motivated by the implementation of the independent vocational school curriculum in the Jakarta area, especially East Jakarta, which has begun to be implemented in the 2022/2020 academic year. Teachers and students in this case still do not have an understanding and readiness regarding the system for implementing the independent curriculum in the learning process, because they are still influenced by The learning system in the 2013 curriculum has not been fully implemented well in schools, causing teachers and students to be overwhelmed in preparing and adapting to be able to carry out learning activities well. The aim of the research is to determine Mathematics and Student learning in the Implementation of the Merdeka Vocational School Curriculum in East Jakarta. This type of research is descriptive research with a qualitative approach. This research was carried out at 2 vocational schools in East Jakarta with a total of 5 teachers as research informants. Data collection techniques through interviews and documentation. Based on the research results, it shows that the teachers' interviews show that students do not understand how to use the 2018 revised curriculum and the Merdeka curriculum itself.

Students’ understanding of concept can be measured and assessed using mathematical concept understanding test instruments. The instrument to be used must be prepared to meet the criteria for a good instrument. Therefore, the aim of this research is to determine the validity and reliability of students' conceptual understanding questions in learning assessments. This type of research is qualitative research using descriptive methods. Data was obtained through tests and interviews with mathematics subject teachers. The subjects in this research were class IX students at MTsN 2 Kerinci, totaling 22 students in 1 class. Based on the results of validity calculations using the Pearson Product Moment formula and t test, as well as calculations of question reliability using the Cronbach's Alpha formula, it was found that each question item was valid and reliable, so this test instrument can be used to measure students' ability to understand mathematical concepts.

The importance of using media in the mathematics learning process has become the main focus in increasing the effectiveness and attractiveness of learning. One interesting approach is the development of opportunity card-based learning media. This research aims to develop and release opportunity card media as a mathematics learning aid that can increase students' understanding of concepts and interest in learning. This media development is carried out through the stages of requirements, design analysis, development and evaluation. The research method used is development research using the Kemp model which includes several stages, such as needs analysis, planning, development, implementation and evaluation. Each stage has specific steps that help process developers design and organize learning materials more effectively. The research subjects involved class XII students at SMA Negeri 62 Jakarta. The research results showed that the opportunity card media developed received a positive response from students and teachers. Understanding of mathematical concepts increased significantly, and students' interest in learning also increased. and also provide an interesting learning experience and can increase student involvement in learning.

The importance of using media in the mathematics learning process has become the main focus in increasing the effectiveness and attractiveness of learning. One interesting approach is the development of opportunity card-based learning media. This research aims to develop and release opportunity card media as a mathematics learning aid that can increase students' understanding of concepts and interest in learning. This media development is carried out through the stages of requirements, design analysis, development and evaluation. The research method used is development research using the Kemp model which includes several stages, such as needs analysis, planning, development, implementation and evaluation. Each stage has specific steps that help process developers design and organize learning materials more effectively. The research subjects involved class XII students at SMA Negeri 62 Jakarta. The research results showed that the opportunity card media developed received a positive response from students and teachers. Understanding of mathematical concepts increased significantly, and students' interest in learning also increased. and also provide an interesting learning experience and can increase student involvement in learning.

High Order Thinking Skill (HOTS) is a way of thinking for students at a higher cognitive level. This research aims to prove whether the implementation of HOTS-based learning has an impact in improving students' critical thinking skills in mathematics learning in elementary schools. The research method used is a literature review using the Google Scholar and Semantik Scholar databases for the 2020-2023 period. The HOTS-based learning model focuses on developing analyzing, evaluating and creating which refers to students' abilities in critical thinking. Based on the 8 selected articles, it shows that the implementation of HOTS learning in mathematics subjects can be implemented through learning models such as Game Based Learning or Digital Game Based Learning, teacher skills in implementing learning and developing assessments need to be considered. The application of HOTS learning is considered effective and able to improve students' critical thinking skills.

Understanding concepts is very important in learning mathematics, because with a thorough understanding, students can solve a problem and are able to apply this learning to the real world. This research aims to develop and test the validity of conceptual understanding ability questions on set question material in Class VIID MTsN 2 Kerinci. This type of research uses development research. The research subjects were class VII D students consisting of 26 students. The data collection techniques used were tests, interviews and documentation. The results of the research show that students have a very good understanding of concepts. It can be seen from the results of the analysis of the test question data that it can be seen that there are 8 students (22.9%) included in the category of having the ability to understand concepts very well, 5 students (14.3%) included in the category of having the ability understanding of the concept was good, 7 students (20.0%) were in the sufficient category, and 5 students (14.3%) were in the poor category. This means that overall there are 8 students out of 25 students who have the ability to understand concepts in the very good category. This shows that set material questions have a potential effect on students' ability to understand concepts.

This study was aimed to develop mobile learning media for students' learning interests at SMP Negeri 18 Medan which meet valid, practical and effective criteria. The research method used is the ADDIE development model which has 5 stages, namely: analysis, design, development, implementation and evaluation. The subjects of this study were 35 students of class IX-2 at SMP Negeri 18 Medan. The results showed that: (1) the development of mobile learning media for students' interest in learning mathematics met very valid criteria with an average percentage of 86.91% based on validation by media experts and an average percentage for material of 83.25% based on validation by material experts; (2) the development of mobile learning media for students' interest in learning mathematics meets practical criteria with an average percentage of 80.47% based on student response questionnaires to learning media; (3) the development of mobile learning media for students' interest in learning mathematics meets the criteria of being effective with an average percentage of 74.68% based on a questionnaire on students' interest in learning mathematics. Based on the results obtained, it can be concluded that the developed mobile learning media for students' interest in learning mathematics is feasible to use.

This research aims to produce intuitive, interesting, and efficient mathematics learning media. This research is a development research that uses research and development (r&d) with the addie model that covers a sequence of stages ranging from analysis, design, development, implementation, and evaluation. This study was conducted on students of x grade smk netherlands 37 south jakarta. The research subjects that used are students of class xi with bintaro learning media. The number of students in the class is 28 students. The data collection techniques that used are validation and questionnaire filling. The result of this study shows that the use of bintaro props can be used as an alternative to help students to understand mathematics lesson on trigonometric material.

This research aims to determine the influence of students' learning activities on the ability to understanding mathematical concepts through the STEAM Learning Approach Makerspace model based on PBL on SPLDV materials. As for the type of research Quasi-Experiments. The population in this study was 90 students who were distributed into 3 classes with 2 classes that sampled grades VIII A and VIII C. The sampling techniques in this study used randomized classes and data collection techniques in this study were tests and observations, while the research instruments used preliminary tests and final tests to measure the ability to understand mathematical concepts and observation sheets to see students' learning activities. Data analysis techniques using a two-way ANOVA test. The research showed that there is an influence of the PBL-based Makerspace STEAM Learning Approach model on the ability to understand mathematical concepts, there is no influence on students' learning activities on mathematical concept comprehension capabilities, and there is no interaction between the PBL-based Stem Learning Approach Makerspace model and student learning activities on the ability to understand mathematical concepts. Conclusion, there is a positive direct effect of cognitive structures on the ability to understanding mathematical concepts.

The Sinau Bareng Program, which is a program of the Surabaya City Education Department, is held every Monday and Saturday, starting at 18.00 to 20.00 WIB. This program is usually attended by children from various levels of education starting from kindergarten, elementary school, middle school, to high school and is free of charge. The method used is to conduct study groups. This activity was held with the aim of helping and accompanying children in learning and carrying out their assignments given at school, and to provide a forum for children to be able to carry out positive, creative, and productive activities. The students who attend this program usually want to study their subjects such as Mathematics, Indonesian, English, and so on. Not only that, in this sinau together program,  the  Bina  Desa  Group  also  held  fun

This research reveals the implementation of the Pancasila Student Profile Strengthening Project (P5) at SD Pembangunan Laboratorium UNP with the aim of understanding the implementation of P5 in the school. The research method used is qualitative with data collection through observation and interviews. The results showed that P5 has been implemented since the beginning of the semester of 2023, with activities taking place every three months. Full participation of students and the role of educator mentors are seen in the implementation of P5. P5 is themed "Sustainable Lifestyle," where each subject has different P5 activities. For example, in Mathematics the emphasis is on numeracy skills, Indonesian focuses on communication skills and poetry, Civics emphasizes attitudes in accordance with Pancasila, while Islamic Religion directs the formation of noble morals. This research shows that the implementation of P5 has a positive impact, improving cooperation, collaboration, and enthusiasm for learning for students.