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Based on the results of the analysis that has been carried out, it shows that students' learning outcomes in mathematics have increased. This is indicated by the increase in the class average score, namely at the time of pre-action 51.63 increased to 85.90 in cycle I then increased again in cycle II to 89.09. From the observation data obtained before carrying out the action, students seemed less active in learning. After being given action students look more active both in question and answer activities and during group activities.

Blended learning is a new learning strategy that provides many benefits for students, as well as a form of information and communication technology support towards new learning modes. This research aims to find out: 1) The pros and cons of blended learning lectures in the UNU Pasuruan mathematics education study program in 2023. 2) supporting and inhibiting factors for the blended learning lecture process. This type of research is qualitative with a descriptive approach. The number of samples in this study was 6. The data collection technique was to include the results of interviews that had been conducted accompanied by documentation of their implementation.

The ability to use image applications with accuracy, fluency and good and correct understanding is a challenge for students in forming new knowledge. There are still many students who do not master the skills of taking pictures of their surroundings in the Arloopa Application. Therefore, this research aims to evaluate the application of image media techniques to the skill of taking pictures of surrounding objects. This research is descriptive qualitative research. This research was carried out in three cycles, each consisting of two face-to-face learning cycles. The data analysis techniques used were descriptive qualitative and quantitative analysis. The results of the research show that students in cycles I, II and III have average scores which indicate that the application of image media techniques can improve their ability to use image media applications. It was concluded that the application of effective image media can increase the ability to take pictures of surrounding objects so that they become spatial shapes. Image media can facilitate students in learning English Mathematics.

This study explores the effect of inquiry-based learning (IBL) on mathematics achievement among secondary school students. Utilizing a quasi-experimental design, two groups of students were taught the same mathematical content, one group using traditional methods and the other with an IBL approach. Results indicated that students exposed to IBL exhibited significantly higher comprehension and engagement levels, particularly in problem-solving and critical thinking skills. These findings suggest that IBL is a promising pedagogical approach for enhancing mathematics achievement in secondary education.

This research aims to describe the application of the Student Team Achievement Division (STAD) learning model in improving the learning outcomes of class XI-4 students at SMA Negeri 6 Surabaya, especially on the subject of vectors. The background to this research is strengthened by the fact that motivation to learn mathematics tends to be low, especially when studying complex material such as vectors. This is supported by initial observations which show that students often have difficulty understanding these concepts, which is reflected in the low learning outcomes, with a percentage of only 73%, and classical completeness of only 40%. This research is classroom action research carried out in two cycles. The research subjects consisted of 36 students. Data is collected through tests and observations. Data analysis was carried out using qualitative and quantitative descriptive techniques. The results in cycle 1 showed a significant improvement, with learning outcomes reaching 97% and classical completion increasing to 94%. In cycle 2, learning outcomes reached 98% and classical completion reached 100%. Thus, it can be concluded that the application of the STAD learning model is effective in improving the learning outcomes of class XI-4 students at SMA Negeri 6 Surabaya.        

Instructional media plays a crucial role in achieving educational objectives. Educators need to develop teaching strategies using various appropriate media and learning resources. Currently, GASING mathematics instructional media only consists of modules, PowerPoint, and teaching aids. This indicates the untapped potential in utilizing instructional media such as animated videos as engaging and effective learning tools. Based on this issue, the researcher employed the GASING method in the subject of mathematics, specifically focusing on multiplying 2-digit numbers by 1-digit numbers. This study aims to ascertain the development process and feasibility of animated videos using Powtoon. These animated videos were developed using the ADDIE model. Based on validation results by language experts, an average of 98.33% was obtained, while content experts yielded an average percentage of 78.18%. Furthermore, media experts achieved an average percentage of 90.67%, and individual trials (One to One) resulted in an average percentage of 85.64%. Based on the validation results by experts, it can be concluded that animated video instructional media using Powtoon in mathematics with the GASING method as the developed instructional media is highly suitable for field use, as evidenced by the average percentage of feasibility obtained being 88.21% (very feasible).  

Numeracy markets are activities that imitate market situations that are closely related to everyday life. Students are given the opportunity to design, manufacture, market, and sell goods. This research aims to help students improve their numeracy skills, increase their understanding of basic mathematical concepts, and improve their social skills and creativity through numeracy market activities. This type of research is descriptive with a qualitative approach. The research subjects consisted of fifth grade students at UPTD satdik SDN Curahtakir 4. The stages in this research included observing placement schools and their problems, designing activities as solutions to problem solving, carrying out AKM pretests, carrying out numeracy market activities, carrying out AKM posttests, and then analyzing and evaluating . The research results show that it is very suitable for elementary school (SD) students because it offers new experiences in interpreting mathematical concepts. This numeracy market activity also has a positive impact on improving student learning outcomes in the context of mathematics. Apart from that, the findings from this research are that the AKM numeracy post-test scores for class V students have increased compared to the previous AKM numeracy pre-test scores.

Student learning outcomes in learning fractions in elementary school are still low, to overcome this problem an effective model is needed. This research aims to describe the improvement in learning outcomes for multiplication and division of fractions using the PBL model in class V of SD Negeri 057761 Kwala Gebang. The research was carried out in two cycles, namely cycle I and cycle II. Each cycle consists of four stages, namely planning, implementation, observation and reflection. The subjects of this research were 7 class V students at SD Negeri 057761 Kwala Gebang. Research results: RPP observations in cycle I averaged 83.33%, increasing to 97.22% in cycle II. In the observation results from the teacher aspect of cycle I, the average was 73.21%, increasing to 96.42% in cycle II. In the observation results from the student aspect of cycle I, the average was 64.28%, increasing to 92.85% in cycle II. Meanwhile, the learning outcomes of students in cycle I obtained 54.54% completeness, increasing to 95.45% completeness in cycle II. It can be concluded that the PBL model can improve student learning outcomes in learning multiplication and division of fractions in class V of SD Negeri 057761 Kwala Gebang.

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.