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The application of the STAD type cooperative learning method (Student Teams-Achievement Divisions) is a relevant strategy in efforts to improve students' mathematical abilities. In this research, we examine the effectiveness of using the STAD type cooperative learning style in improving students' mathematical abilities. This approach involves dividing students into small teams to encourage collaboration, joint problem solving, and knowledge exchange. We evaluated the impact of implementing this learning model on students' mathematical abilities and gained insight into effective learning strategies in the context of improving mathematics achievement.

This study aims to determine whether the NHT type cooperative learning model with the help of LKPD can improve student learning outcomes in grade X of SMA Negeri 1 Stabat. This type of research is Classroom Action Research (PTK) or action research which consists of 2 cycles, where each cycle consists of 1 meeting. The subjects in this study were students of grade X Science 1 SMA Negeri 1 Stabat consisting of 36 students. The object of this study is the results of student learning with the application of the Numbered Head Together type cooperative learning model with the help of Student Worksheets in grade X Science 1 SMA Negeri 1 Stabat. From the results of the study can be concluded the following: (1) There is an increase in students' mathematics learning outcomes. This can be seen by the achievement of classical completeness in the initial test obtained 30.56%, in the learning outcome test I increased to 61.11%, and in the learning outcome test II increased to 86.11%, so that based on the results of the data analysis it was obtained that this study had reached the specified success indicators. (2) After the implementation of the Numbered Head Together learning model with the help of Student Worksheets, students' mathematics learning outcomes have been classically completed to 86.11%.

The implementation of the Independent Curriculum in Indonesia has encouraged various innovations in learning methods, including in the Fiqh subject at the Madrasah Tsanawiyah level. The cooperative learning model is one approach that is considered effective in improving conceptual understanding, students' application skills, and supporting the strengthening of the Pancasila Student Profile. This study aims to examine the implementation of the cooperative learning model in the Fiqh subject at MTs Al Jihadiyah, with a focus on challenges, supporting factors, and its impact on student learning outcomes. The method used is a qualitative approach with a case study design. Data collection techniques include participatory observation, in-depth interviews with teachers and students, and analysis of learning documents. Data were analyzed thematically with triangulation techniques to ensure the validity of the findings. The results of the study indicate that the implementation of the cooperative learning model is able to increase student active involvement and understanding of the Fiqh material. Some of the challenges faced include limited learning time and differences in student abilities. The supporting factors for the success of the implementation of this model include support from the school and training for teachers. Other positive impacts are seen in improving students' application skills in daily life and strengthening character according to the dimensions of the Pancasila Student Profile, especially in the aspects of collaboration and critical thinking.

The cause of the low learning outcomes of students on matrix material is the lack of understanding of concepts and communication skills. A learning model that overcomes these problems is needed. The STAD type cooperative learning model can increase the interaction between students so that students can communicate and collaborate to understand matrix concepts. This class action research aims to improve students' learning outcomes on matrix material by applying the STAD type cooperative learning model in class XI-2 SMA Negeri 6 Surabaya. The data collection techniques used were observation, learning outcomes test, and documentation. The results showed that by applying the STAD type cooperative learning model can improve the learning outcomes of students of class XI-2 SMAN 6 Surabaya on matrix material. This is indicated by an increase in the value of learning outcomes and completeness of students after being given action in each cycle. There was an increase in learning outcomes by 39.39% from pre-cycle to cycle I and 54.54% from cycle I to cycle II. Learning completeness reached 54.54% in cycle I and 100% in cycle II.    

This study aims to determine and describe the influence of student dance learning outcomes taught using the Cooperative Script learning model with the learning outcomes of students taught using the Conventional model in cultural arts learning at SMPN 2 Padang. This type of research is quantitative research with a quasi-experimental approach. The population in this study was all students in grade IX SMP N 2 Padang, totaling 242 students with samples using purposive random sampling. The research instrument uses pre-test and post test. Data were collected through observation, documentation and cognitive tests. Data were analyzed using normality test, homogeneity test, hypothesis test and independent test. The results showed that there was a significant difference between student learning outcomes before and after applying the Cooperative Script model. The increase in learning outcomes in the group using the Cooperative Script model was the average learning outcome from pretest (69.47) to posttest (87.80). In the group using the conventional model, the average increase in learning outcomes from pretest (69.33) to posttest (77.23). It can be seen that the experimental class using the Cooperative Script Model has a better performance compared to the control class for SMPN 2 Padang students, this can be seen from the average value on the experimental posttest is greater than the average posttest control which means there is a significant influence in using the Cooperative Script Model.

The problem at Maharani Private High School is that teachers or educators still use conventional methods so that students become passive in class and students' low understanding of the subject of geography, lithosphere material, which still contains many concepts, makes students feel bored, lazy, and this affects the results. learning and obtained by students whose grades do not meet the standard criteria for maximum completeness. The minimum standard for completion criteria (KKM) in geography subjects at Maharani Private High School is 75. This classroom action research aims to 1) find out the application of the jigsaw type cooperative learning model, 2) to find out the development of class X students' learning outcomes regarding lithosphere materials and types of rocks after using a jigsaw type learning model. The method used in this research is classroom action research or PTK using a jigsaw type cooperative learning model for class X students with research subjects of 20 students. The location of this research is Maharani Private High School for the 2022/2023 academic year, Weliman District, Malaka Regency, East Nusa Tenggara Province. This classroom action research was carried out in two cycles consisting of four stages including planning, observation, implementation and reflection. This research data was analyzed qualitatively descriptively. The results of this research show that using the jigsaw type cooperative learning model can improve the learning outcomes of class X SMA students on lithosphere material. The research results obtained for the first cycle of student learning outcomes were 6 students who completed with a percentage of 30% and as many as 14 students who did not complete or 70% of the 20 students, meanwhile, in cycle II the students who completed experienced an increase, namely 19 students. or as many as 95% and 1 student who did not complete or only 5% in cycle II. It can be concluded that using the jigsaw type learning model can significantly improve student learning outcomes in geography subjects on lithosphere material at Maharani Private High School for the 2022/2023 academic year.

The discovery learning model is a learning model that can directly involve students into learning activities through an argument, students can argue, discuss, and can read for themselves and try themselves, so that students can do learning independently. This study aims to determine the effectiveness of the DL (Discovery Learning) type cooperative learning model by applying it to informatics learning in class X.2 and X.4 SMA Negeri 14 Maros is expected to achieve the objectives to be achieved. This research method is Classroom Action Research (PTK) which is carried out in two cycles. Each cycle consists of four meetings, the first part as cycle 1 and 4 meetings the second part as cycle 2 and 4 meetings. The research subjects consisted of class X.2 students totaling 36 people and class X.4 students totaling 35 people. The collection techniques were documentation, observation, and tests. The results of this study can be concluded that in its application in the learning process of the Discovery Learning learning model, students are very good at responding to the material presented, it's just that some students when in the learning process there are students who sleep and do not focus on receiving material and also telling stories with their friends. And also student learning outcomes on informatics learning improved better from the aspects of attitude competence, knowledge competence and skill competence. Therefore, it can be concluded that by applying the Discovery Learning learning model, students are very creative in the learning process.  

This research aims to evaluate the impact of implementing the STAD Cooperative Model on the learning outcomes of 10th-grade Fashion students in the Cultural Arts subject for the academic year 2023/2024. The formulation of the problem is whether this model can enhance students' academic achievements. The research objectives include evaluating the learning outcomes of students through the application of this model and providing a comparative study for students planning further research. The theoretical benefits of this research lie in its contribution as a foundation for subsequent studies, enabling other researchers to enhance problem-solving abilities for students. Practically, this study is expected to make a positive contribution to schools, teachers, and students. For schools, it is anticipated to improve the quality of education, especially in teaching cultural arts to enhance the academic achievements of students. For teachers, this research can serve as a reference in developing cultural arts education and other learning processes. Additionally, this study provides insights for 10th-grade Fashion students at SMK Negeri 3 Denpasar to improve their learning outcomes in cultural arts. Through the evaluation of the impact of implementing the STAD Cooperative Model, this research can serve as a foundation for developing more effective teaching strategies, contributing to the enhancement of education quality at the vocational high school level.

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 aims: (1) the mathematical communication abilities of students using the think-talk-write (TTW) cooperative learning model are higher than the mathematical communication abilities of students using conventional learning models in class VIII SMP Negeri 19 Medan, (2) the process of completing answers is created by students in solving problems in the think-talk-write (TTW) cooperative learning model and conventional learning models. This type of research is quantitative research with a Quasi Experimental method. This research was conducted at SMP Negeri 19 Medan. The sampling technique in this research used the Purposive Sampling technique, namely class VIII-5 as a class taught using the think-talk-write type cooperative learning model and class VIII-6 as a class taught with a conventional learning model. The data collection instruments were an observation sheet and a test sheet for students' mathematical communication skills in the form of 4 essay questions. Data analysis in this study used a t-Test with the Independent sample t-Test technique with the help of the SPSS 22 program. The results of the research showed that the average score for the class taught using the think-talk-write cooperative learning model was 80.1 and the class taught with a conventional learning model of 74.6. Hypothesis testing was carried out using the t-test, from the calculation results it was obtained that tcount was 2.501 and ttable 1.67469, the significance level was 0.016<0.05, then H0 was rejected and Ha was accepted, so it was concluded that students' mathematical communication skills used the cooperative learning model type. think-talk-write is higher than students' mathematical communication skills using conventional learning models. Based on the analysis of the process of students' answers to the mathematical communication skills test, students who received think-talk-write cooperative learning were better than students who received conventional learning.

This research aims to enhance the mathematical communication skills of students after implementing the Think Talk Write cooperative learning model. The study was conducted in the first semester of the 2023/2024 academic year in class XI MIA 3 at MAN 1 Medan. The subjects of this research were 39 students from class XI MIA 3 MAN 1 Medan. The object of this research was the mathematical communication skills of students by applying the Think Talk Write learning model. The research method used was classroom action research conducted over 2 cycles. The results of the students' mathematical communication skills test showed improvement from the initial test to the tests given in Cycle I and Cycle II. In the initial test, only 1 student (2.5%) achieved proficiency with an average score of 56, categorized as low. In Cycle I, there was a classical increase, with 10 students (25.6%) achieving proficiency with an average score of 67.9, categorized as moderate. In Cycle II, there was also a classical increase, with 33 students (84.6%) achieving proficiency with an average score of 86.9, categorized as high. It can be concluded that by implementing the Think Talk Write cooperative learning model, it is possible to improve the mathematical communication skills of class XI MIA 3 students at MAN 1 Medan.

This research aims to determine the application of the Cooperative Integrated Reading and Composition (CIRC) model in learning to write personal letters for class VII students at SMPN 1 Gunungwungkal Pati. Based on the results of observations, there is a problem with class VII students at SMPN 1 Gunungwungkal Pati, namely that students still have difficulty using the right words and writing a message on personal letter writing material, because the learning model used by the teacher is not appropriate. This research uses mixed methods. Data collection was carried out using test and non-test techniques. The test technique is in the form of working on personal letter writing test questions, and the non-test technique is in the form of observation and questionnaires. Based on the research results, before implementing the Cooperative Integrated Reading and Composition (CIRC) model in learning to write personal letters, teachers still used Discovery Based Learning techniques for the learning process of writing personal letters and only used Indonesian language textbooks as learning support materials. The application of the Cooperative Integrated Reading and Composition (CIRC) model has proven that students are more active during learning. The (CIRC) model also makes students more enthusiastic and makes it easier for students to understand the material for writing personal letters.  

This classroom action research aims to improve reading skills through Jigsaw type cooperative learning for class VI students at SD Inpres, Sungguminasa, Gowa Regency. The subjects of this research were 40 grade VI students at SD Inpres Multilevel Sungguminasa, Gowa Regency. Academic Year 2023/2024. This PTK consists of 2 cycles, each consisting of 3 meetings. Data collection was carried out using the results of students' work when carrying out actions and observation sheets. The collected data was analyzed using quantitative analysis and qualitative analysis. The results achieved were: (1) students' reading ability before the action was held was in the low category with an average score of 4.88 from the highest possible score of 10. (2) Students' reading ability after taking action in the form of Jigsaw type cooperative learning in Cycle I was in the high category with an average score of 8.04 from the highest possible score of 10. (3) Students' reading ability after taking action, in the form of learning by applying models Jigsaw type cooperative learning in Cycle II was in the very high category with an average score of 8.84 from the highest possible score of 10. (4) There was an increase in the percentage of student attendance. (5) Students' interest, attention and motivation in participating in the learning process using the Jigsaw cooperative model has also increased, this can be seen from the increase in student activity in the learning process. The results of this research also show changes on the teacher's side, initially teachers were less creative in using various Jigsaw type cooperative learning strategies, which had a good impact, apparently being able to motivate and increase teacher interest in developing effective learning.    

This classroom action research aims to improve reading skills through Jigsaw type cooperative learning for class VI students at SD Inpres, Sungguminasa, Gowa Regency. The subjects of this research were 40 grade VI students at SD Inpres Multilevel Sungguminasa, Gowa Regency. Academic Year 2023/2024. This PTK consists of 2 cycles, each consisting of 3 meetings. Data collection was carried out using the results of students' work when carrying out actions and observation sheets. The collected data was analyzed using quantitative analysis and qualitative analysis. The results achieved were: (1) students' reading ability before the action was held was in the low category with an average score of 4.88 from the highest possible score of 10. (2) Students' reading ability after taking action in the form of Jigsaw type cooperative learning in Cycle I was in the high category with an average score of 8.04 from the highest possible score of 10. (3) Students' reading ability after taking action, in the form of learning by applying models Jigsaw type cooperative learning in Cycle II was in the very high category with an average score of 8.84 from the highest possible score of 10. (4) There was an increase in the percentage of student attendance. (5) Students' interest, attention and motivation in participating in the learning process using the Jigsaw cooperative model has also increased, this can be seen from the increase in student activity in the learning process. The results of this research also show changes on the teacher's side, initially teachers were less creative in using various Jigsaw type cooperative learning strategies, which had a good impact, apparently being able to motivate and increase teacher interest in developing effective learning.    

This research aims to improve the learning outcomes of the independent curriculum by using the role play learning method assisted by image media and a projector in class II UPTD SDN 145 Inpres Pampangan. This research is Classroom Action Research, the subjects of this research are class 2, totaling 32 students consisting of 20 boys and 12 girls. This research was carried out for 3 weeks. The implementation of this action was carried out in 2 cycles, the first cycle consisting of 3 meetings and the second cycle consisting of 3 meetings. This research was carried out in the Teaching Profession Strengthening (P2K) activities which started on September 4 - October 14 in the 2023/2024 academic year. The results of the research show that during the learning process there is a change in students' attitudes during the learning process in accordance with the results of observations, namely the implementation of the Role Play type cooperative learning model assisted by picture media and projectors can increase students' self-confidence in asking both the teacher and their friends about the material. that are not understood and can improve student attendance. So, Role Play cooperative learning assisted by image media in thematic learning is suitable for use in this class. This can be seen from the increase in learning outcomes for class II students at UPTD SDN 145 Inpres Pampangan after the Role Play type of cooperative learning was held with the help of image media and a projector.  

This research uses a quasi-experimental method with a pretest and post-test control group design research design. This research uses the Numbered Head Together Cooperative Learning model to improve student learning outcomes at SMA Negeri 2 Tondano for the 2022/20223 academic year. The sample in this study was class. The average post-test score obtained in the experimental class was 87.7, and the average in the control class was 78.1. The data analysis technique used is the t-test with the condition that the data comes from a normally distributed and homogeneous population—test normality using the Lililefors test and homogeneity. Based on the hypothesis of the research statistical data, a tcount of 2,730 was obtained. Based on the ttable with α=0.005 and degrees of freedom (dk) = n1 + n2 -2 =20+20-2= 38, By looking at the ttable, we get ttable = 1.688. So tcount is greater than ttable, namely tcount = 2,730 > ttable = 1,688. Thus, according to the test criteria, if tcount > ttable, then H0 is rejected, so hypothesis H1 is accepted, and it is concluded that there is an influence of using the Numbered Head Together model on student learning outcomes in the human respiratory system material at SMA Negeri 2 Tondano.

This research aims to improve students' speaking skills through group discussion-based learning media in class I UPTD SDN 145 Inpres Pampangan. This research is Classroom Action Research, the subject of this research is class 1 consisting of 23 students, of which the total number of students is 11 girls and 12 boys. The implementation of P2K is carried out in 2 cycles, each cycle lasts for 2 teaching and learning process meetings and every second meeting there is a learning evaluation results test. This research was carried out in the Teaching Profession Strengthening (P2K) activities which started on October 4-November 13 in the 2023/2024 academic year. The results of the research show that during the learning process there is a change in students' attitudes during the learning process in accordance with the results of observations, namely by implementing the Talking Stick type cooperative learning model assisted by picture media, it can increase students' self-confidence to ask both the teacher and their friends about material they don't know. understandable and can increase student attendance. So, Talking Stick type cooperative learning assisted by picture media in thematic learning is suitable for use in this class. This can be seen from the increase in learning outcomes for class 1 students at UPTD SDN 145 Inpres Pampangan after improving speaking skills for class 1 students through group discussion-based learning media.    

This research was conducted at MAN 6 West Pasaman which was motivated by the lack of active learning of students in SKI subjects, where in the learning process the teacher only used conventional learning models. This makes students not interested in learning, they feel bored so that learning objectives have not been achieved optimally. This study aims to determine whether there is an influence of the Two Stay Two Stray cooperative learning model on student learning activity. This study uses a quantitative experimental approach with the type of quasi-experimental research (quasi-experimental). The data collection technique uses questionnaires and documentation. Data analysis starts from the normality test, homogeneity test and hypothesis testing. Based on the results of the analysis and discussion of the research data, the results of hypothesis testing were obtained using the Independent Sample Test, so the parametric statistical test results can be seen if sig (2-tailed) = 0.000 ≤0.05 then it is rejected and accepted. So that it can be concluded that there is an influence of the two stay two stray cooperative learning model on student learning activity at MAN 6 West Pasaman.

The purpose of this research is to find out how the influence of the Team Assisted Individualization (TAI) type cooperative learning model on students' mathematics learning outcomes in class VII algebra form material at UPTD SMP Negeri12 Pematang Siantar. The approach taken in this study is a quantitative approach. The instruments used in this study were questionnaires (questionnaires) and learning outcome tests. Data analysis techniques use prerequisite tests, namely normality tests and linearity tests. To test whether Team Assisted Individualization (TAI) type cooperative learning models affect learning outcomes, a simple linear regression test was used. From the simple linear regression test performed, the regression equation Y = 8.804 + 0175.X which can be interpreted as every addition of 1% of the questionnaire value will cause an increase in learning outcome test scores of 0.175. It can be seen that the value of the regression coefficient is greater than 0 (positive value), so there is a positive influence between variable 50,8%.

This research was conducted at SMPN 03 Sungai Pua which was motivated by several problems, which the authors found in class VIII SMPN 03 Sungai Pua. Where in the learning process there is a lack of student activeness in PAI learning, the learning process only uses the lecture method and there are no interesting methods used in learning, learning is still teacher-centered which causes students to tend to be less active, and there are still many Grade VIII students who have not received maximum learning outcomes so that the quality of learning must be improved again. This research is a quantitative experimental research. This research is located at SMP Negeri 03 Sungai Pua. The population in this study amounted to 54 students. The sampling technique used is the random sampling technique. The instruments used in this study were questionnaires and documentation. Based on the results of the research that has been done, it shows that there is an influence of the make a match type of cooperative learning model on the activeness of students' PAI learning at SMP Negeri 03 Sungai Pua.