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This research aims to determine the increase in mathematical problem solving abilities in permutation material through the problem based learning (PBL) learning model. This research is classroom action research (PTK) with research subjects being students of class XI TPM 2 SMK Negeri 1 Madiun, totaling 34 students. In this research, the instruments used were problem-solving ability tests and observation sheets. In this research there are two cycles, where each cycle consists of planning, implementation, observation and reflection which follows the Lewin model procedure. In this study, the minimum learning completeness obtained was >75%. The analysis technique used in this research is descriptive qualitative which is adapted to the Hiles and Huberman technique, including data collection, data reduction, drawing conclusions and verification. The results of this research show that there is an increase in problem solving abilities using the problem based learning (PBL) learning model. This can be seen from the number of students who have achieved the very good problem solving ability category, namely 15.63% in the pre-cycle, then increasing to 25 % in cycle 1, and then increased in cycle 2, namely 53%, and in cycle 2 learning completion had reached 84.38%.  

This research aims to determine the influence of the Problem Based Learning Model on Students' Critical Thinking Ability on Ecosystem Material for Class X Students of State High School 2 Gowa. This type of research uses a quasi-experimental type of research or also called quasi-experiment with a "random pretest posttest control group" design model. There are two data collection techniques in this research, namely, test and non-test, then the data collected is analyzed using descriptive analysis and inferential test analysis. The research results show that the average critical thinking ability students in the experimental class who were taught using the Problem Based Learning learning model were in the very good category with an average score of 78.52 and students' critical thinking abilities, while in the control class who were taught using the lecture method were adequate with an average score 52.55. Inferential analysis in hypothesis testing shows significant results with a sig value of 0.000 > 0.05 so that there is an influence of the Problem Based Learning learning model on students' critical thinking abilities in ecosystem material. This is also reinforced by the results of observations regarding student activity increasing.

Family well-being is very important for the lives of individuals and communities. A happy and The problem with learning German grammar at the A2 level is that many students still struggle to understand sentence structure, especially when using the perfect tense, subordinate clauses with "weil," and the genitive case. Students often find it challenging to remember grammar rules and how to apply them in sentences. The aim of this study is to develop interactive learning media in the form of Kodular-based applications to address these issues and support learning German grammar at the A2 level. The app is designed with relevant grammar materials and uses the 4D model development method (Define, Design, Develop, Disseminate), which reaches only the development stage without dissemination. The app was created on the visual platform Kodular, which enables users to develop Android apps without programming knowledge. The results show that the app is an effective learning medium, with a validation score of 90 (excellent) for the material content and 92.5 (excellent) for the media aspects. With a file size of 5.08 MB, this application enables users to learn German grammar independently anytime and anywhere.

At SMP Negeri 2 Gucialit, teachers have difficulty designing and implementing learning models that can develop students to have skills in critical thinking and problem solving, creative thinking skills, communication skills, and collaboration skills. The aim of this community service is to expand understanding of concepts and improve the skills of Junior High School teachers in designing project-based learning through lesson study. The method used in community service consists of three stages, namely preparation, implementation and evaluation. In the preparation stage, field survey activities and coordination with service partners were carried out. At the implementation stage, material is provided, practice is carried out in developing project-based learning teaching modules through lesson study and discussion. At the evaluation stage, an assessment of the results of the activities was carried out using a questionnaire distributed to participants by the community service team. Based on the results of the questionnaire, it shows that the percentage of answers achieved was 59.3% strongly agree with the benefits of this activity, 37% agree, 3.7% neutral, and there were no answers strongly disagree or disagree. This shows that this service activity increases the understanding of the concepts and skills of Junior High School teachers in designing project-based learning through lesson study. Apart from that, this community service activity produces project-based learning teaching module products and aquascape learning media.

This study aims to improve students' learning outcomes in zakat learning through the Problem Based Learning (PBL) model. The method used is Classroom Action Research (CAR) with two cycles that include planning, implementation, observation, and reflection. The results of the study showed that the implementation of PBL improved students' understanding and participation. In cycle 1, learning motivation increased, but there were still students who were less active. Improvements in cycle 2, such as more intensive guidance and relevant case studies, showed a significant increase in students' understanding and involvement. In conclusion, PBL is effective in improving zakat learning outcomes, encouraging students to think critically, and understanding the concept of zakat in theory and practice.    

The author discusses this title on the background that preschool children in the process of learning to read have difficulty understanding reading teaching materials, one of which is about letter recognition because this is a new experience. Based on these problems, the author aims to design/design a reading learning media for preschoolers (kindergarten) based on Multimedia using Adobe Flash. The method used in the research is the research and development (R&D) method, which is a research method used to produce certain products and test the effectiveness of products with Blackbox. The research results of this reading learning media design for preschoolers (kindergarten) are: (1) This reading learning media uses the Luther-Sutopo multimedia development model which is carried out in six stages, namely the concept, design, material collecting, assembly, testing and distribution stages. (2) The final result of this reading learning media design is a compact disk (CD) that can be run using media on a computer and does not require another system to run it.  

Application of the Problem Based Learning Model to Improve Student Learning Outcomes in Science Subjects in the Saenama VSDK Class for the 2023/2024 Academic Year. This researcher aims to improve student learning outcomes in science learning on Temperature and Heat material for class V SDK Saenama for the 2023/2024 Academic Year through the Problem Based Learning Model to Improve Student Learning Outcomes. This research is classroom action research. Which was carried out at SDK Saenama from 13 to 18 November 2023 with the research subjects being students in class V of SDK Saenama for the 2023/2024 academic year, consisting of 20 students. Data collection techniques were carried out using learning results and student observation sheets using the Problem Based Learning learning model as well as learning tools in the form of syllabi, lesson plans and worksheets. The research results show an increase in student learning outcomes. Student learning outcomes can improve from average. The results of the research carried out show an increase in each aspect that has been determined. In the first cycle the percentage of completeness was 25% in the not yet category and in the second cycle it increased to 95% in the very good category. From these results it can be concluded that the application of the Problem Based Learning model to improve student learning outcomes in science subjects in the VSDK Saenama class for the 2023/2024 academic year has increased.

This study aims to describe the learning conditions of Indonesian History applied at Madrasah Aliyah Bustanul Muta'allimim Blitar which uses the Problem Based Learning learning model. Problem Based Learning model learning directs the ability of students to play an active role in solving a problem in the process of learning activities, but in reality in learning in class 10 of Madrasah Aliyah Bustanul Muta'allimin there are still some students who still have difficulty in solving problems and there are also some students who are less active when the learning process takes place. The formulation of the problems in this study are: 1) How is the implementation of the Problem Based Learning learning model in grade 10 Indonesian History subjects? 2) How can the implementation of Problem Based Learning improve the quality of 10th grade Indonesian History learning? 3) What are the implications of the implementation of Problem Based Learning on student learning outcomes? The method used in this research is descriptive qualitative, as for the data sources used, namely through primary data by digging directly to the research location located at MA Bustanul Muta'allimin Blitar, with data collection techniques using interviews, observation, and documentation and checking data validity through source triangulation. . The results of this study are 1) Implementation of Problem Based Learning model learning in Indonesian History subjects in class 10 A, 10 B and 10 C there are three stages that are applied in the learning process, namely the preparation stage, the core activity stage, and the final stage or evaluation. 2)  Analysis of Whether the Problem Based Learning Method can Improve the Quality of Indonesian History Learning in grade 10. There are differences in the responses of students from the three classes for class 10 A, the response of students is still difficult in solving problems in the learning process and difficulty in presenting material when in front of the class and less active in learning in class, this is different from class 10 B and 10 C, students are easier in solving a problem and can present material and be active in learning activities in class. So from this it can be said that learning in the classroom has improved, but there must be more improvements from the Problem Based Learning model when learning activities take place in class. 3) Classroom student learning outcomes For student learning outcomes are influenced by factors within students, namely about the motivation of these students in participating in learning. Students from the three classes can be said to be class 10 A which is rather low compared to the other classes, because there are only male students, this can happen because in the application of Problem Based Learning model learning, these students do not pay attention to the teacher's direction, and are less serious in learning activities, so they do not understand the material being discussed together, in contrast to classes 10 B and 10 C which tend to be more easily organized by the teacher and pay attention when learning activities take place and are active in the process of ongoing learning activities.  

This study aims to determine the significant effect of the Problem Based Learning (PBL) based on the Magnet TPACK of SD Negeri 01 Munggur. This research uses a qualitative type of research based on the philosophy of polytheism. The population and sample used for the research were 28 students of class IV of SD Negeri 01 Munggur. The technique used in selecting the sample was purposive sampling. This research utilizes the One-Group Pretest-Posttest Design. In this design, before the treatment is given, a pre-test (alwall test) is given before the treatment is given and after the treatment is given, a post-test (final test) is given. Data collection techniques using observation, tests and documentation. Based on the results of the study, the conclusion is that there is a significant use of the Problem Balsed Lealing model of learning based on TPACK in class IV of SD N 01 Munggur. The effect of the PBL learning model based on TPACK on the learning outcomes of IPALS in class IV before the treatment was given, the maximum score was 90, while the minimum score was 45. The mean score was 63.92, the median was 62.5. Data analysis results using palired salmpel t-tes it is known that the mean value it is known that the mean pretest value of students 57,6 while the mean posttest for students was 63.92. The results of the statistical test with the crossed sample t-test recognize the effect of the Problem Balsed Learning (PBL) model based on TPACK Regarding the learning outcomes of grade IV students in the subject of science at SD Negeri 01 Munggur, it was found that based on the paired sample t-test table, the significant value (2 tallies) 0.000 <0.05 indicated that there was a difference between the initial and final variables(pretest & posttest), this proves that there is a significant effect on the difference in the need for calcualn given for the variable. 

This research is classroom action research that aims to improve learning outcomes in Natural and Social Sciences (IPAS). The topic is changing forms of energy in class IV-B students, SDN Pakis 01 Surabaya. The number of students in the class consists of 25. The data collection method used consists of observation, tests, and documentation. The learning model applied is problem-based learning (PBL). The research results show that the learning model Problem-Based Learning (PBL) can significantly improve student learning outcomes in science subjects. The pre-cycle results showed a completion rate of 32%; in cycle 1, it increased to 56%, and then in cycle 2, it increased to 80%. Implementation of learning models (problem-based learning) has succeeded in achieving the expected targets and can effectively improve student learning outcomes, especially in class IV-B at SDN Pakis 1 Surabaya in the 2024-2025 academic year. The learning model of problem-based learning (PBL) is also known for its effectiveness in building students' critical thinking skills so that it can help make the learning process easier.    

This study endeavors to enhance the scientific learning results of sixth graders at SDN Jajar Tunggal III/452 Surabaya by using the Problem Based Learning pedagogical approach with the support of wordwall media, with a focus on global Indonesian cultural heritage materials. Two rounds of classroom action research have been conducted. Class VI-A students from SDN Jajar Tunggal III/452 Surabaya in the 2024–2025 school year were the focus of this investigation.  This study use (1) as its method of data collecting.  Second observation. Recordings, three. Interview. The proportion of classical student learning outcomes that fell into the "very low" category was 32.14% before the cycle began, 67.85% during the first cycle, and 100% during the second cycle. Compared to the first cycle's assessment, the second cycle's outcomes were better. With an average final score of 85.55, the assessment findings for cycle II of classical learning completion attained 100%. The results show that in the 2024–2025 school year, students in class VI–A at SDN Jajar Tunggal III/452 Surabaya may benefit from using the problem-based learning approach with wordwall medium to study world-class Indonesian cultural heritage.

This training aims to introduce and apply a product-based learning (PBL) approach in a kindergarten (TK) environment. PBL is a student-centered learning method where children learn through exploration, problem solving and collaboratively in producing a product. In the kindergarten context, PBL focuses on developing children's cognitive, social and motor skills through hands-on learning and writing activities. This training was developed for kindergarten teachers with a theoretical understanding of PBL, PBL planning methods that are adapted to child development, as well as creative and effective classroom implementation strategies. Educators are trained to design programs that connect to the kindergarten curriculum, conduct product-based learning, assess children's progress in critical thinking, communication and collaboration skills. The hope is that this training can help teachers create an interesting and meaningful learning environment for children, encouraging creativity, curiosity and enthusiasm for learning. It is hoped that the results of this training can improve the quality of children's education through the effective implementation of PBL.

This study aims to analyze the effectiveness of STEM (Science, Technology, Engineering, and Mathematics)-based learning models in improving students' understanding of thermodynamic concepts. The research method used is a quasi-experimental with a pretest-posttest design. The subjects of the study were high school students who were divided into experimental and control classes. The results showed that the STEM approach can significantly improve students' conceptual understanding and problem-solving skills compared to conventional learning models. The implication of this study is the need for integration of the STEM approach in physics learning in order to improve the quality of education in the modern era.

This research was motivated by the problem of students who were less active in asking and answering questions and did not pay attention to the teacher when explaining the material. The aim of this research is to determine the effect of the STAD learning model on learning outcomes in terms of students' high interest, medium interest and low interest. The sample in this study was 42 class V students of UPTD SDN 02 Taram, using a saturated sampling technique. This research design uses quasi-experiment, because it involves 2 groups, namely the experimental group and the control group. Data collection techniques use questionnaires and test questions. Based on the results of research and data analysis, the t test calculation was found to be influential or Ha was accepted. So, from the results of the t test it is known that students' high interest is obtained tcount = 1.075; ttable for the 5% significance level is 2.446. So, tcount < ttable. This means that Ha is influenced or accepted. Medium interest obtained tcount = 0.742; ttable for the 5% significance level is 2.048. So, tcount < ttable. This means that Ha is influenced or accepted. Meanwhile, low interest obtained tcount = 1.526; ttable for the 5% significance level is 4.302. So, tcount < ttable. This means that Ha is influenced or accepted.

In opportunity material, students' mathematical problem solving abilities are something that needs to be paid attention to. As a teacher, teachers should use various learning models that can help students improve their mathematical problem solving abilities. This research aims to help improve the mathematical problem solving abilities of class X-6 students at SMA Negeri 9 Surabaya through the Problem Based Learning (PBL) learning model on opportunity material. This research uses the Classroom Action Research (PTK) method which is divided into two cycles where each cycle consists of two meetings. The target subjects in this research were students in class X-6 of SMA Negeri 9 Surabaya, totaling 36 people. Data collection techniques in this research include observation and problem solving ability tests. From the data obtained, analysis was then carried out using descriptive analysis. The results obtained from this research are that students' mathematical problem solving abilities increase. In cycle one, there were 12 students who scored above the KKM (33.3%). Meanwhile, in cycle two, the number of students who scored above the KKM increased to 27 people (75%). Based on these results, the achievements of students who scored above the KKM increased so that students' mathematical problem solving abilities increased by 41.7% from cycle one to cycle two.

This research aims to increase interest in learning and critical thinking of class The background to this research is because students' low interest in learning, especially in learning mathematics. In the learning process, a student's interest in learning plays an important role in the teaching and learning process, because if students have low interest in learning, it will be difficult for them to receive knowledge from the teacher, so that learning outcomes will be less effective. This research uses the Classroom Action research method (PTK) which consists of two cycles. The techniques used for data collection are: planning, implementing actions, observing and evaluating and reflecting. Before that, initial observations were carried out in order to find out information or characteristics of students. The results of the research show that the PBL type cooperative learning model was applied to matrix material for class XI students at SMA Negeri 21 Surabaya. This can be seen from the increase in implementation results, observation and reflection.  Students' learning activities experienced a significant increase in cycle two compared to cycle one. By learning using the PBL method, it is possible for students to more easily understand the material because it relates to problems around them and with discussions students can work together and help each other if they experience problems. Apart from that, this method can also help develop their critical thinking and communication skills.  

The group investigation type cooperative learning method is a cooperative learning model that is based on group discussions and involves students in small groups, compiling material and creating a learning environment that allows students to be brave and appear confident in expressing ideas or opinions, enjoy collaborating, actively participating. , so that students get a meaningful learning experience. The group investigation type learning method encourages students to be actively involved in learning planning from the beginning to the end of the learning process. This research was carried out using a literature review approach, where the researcher tried to examine ideas about group investigation type cooperative learning methods from many references. It was found in the research that the application of the group investigation type cooperative learning method contributed to student learning achievement. This learning method succeeds in creating an active learning environment and helps students to work cooperatively in solving problems. Apart from that, this learning method can grow students' thinking abilities and provide opportunities to learn more meaningfully in a social context with their group friends. Because of this, according to researchers, the group investigation type cooperative learning method should be the teacher's choice in the learning process.

Learning outcomes are a series of skills, knowledge, attitudes and values ​​obtained by students in their thinking process during learning activities. This research aims to improve the learning outcomes of class X-4 students on opportunity material by applying the problem based learning model assisted by wordwall media. To see an increase in learning outcomes, classroom action research was carried out for two cycles using the method of observation and analysis of test results with research instruments in the form of pretest posttest questions in the 2023/2024 academic year. The subjects of this classroom action research were 34 students from class X-4 at SMA Negeri 9 Surabaya. The research results showed a consistent increase in learning outcomes over two cycles in the opportunity material. Before the action was taken there were 18 students who had not reached the KKM and only 16 students had completed it so the percentage of completion was 47.05% with an average learning outcome of 67.76. In the first cycle, the number of students who completed their learning outcomes reaching the KKM increased to 28 with a completion percentage of 82.35% and an average learning outcome of 78.23. In cycle II, the number of students whose learning outcomes achieved the KKM consistently increased so that there were 31 with a completion percentage of 91.17% and an average learning outcome of 89.54.

This study began with the problem of low Mathematics learning outcomes of class X-5 students of SMA Negeri 9 Surabaya, which were below the Minimum Completion Criteria (KKM) of 75. This study aims to improve the Mathematics learning outcomes of class X-5 students of SMA Negeri 9 Surabaya. This study is a classroom action research (PTK) conducted in two cycles in the 2023/2024 academic year with 37 students. The data collection method in this study used observation techniques. The instruments used were pretest and posttest questions. The results of the analysis showed that the application of the problem based learning (PBL) learning model succeeded in improving students' Mathematics learning outcomes in statistics material. Student learning outcomes increased from the pre-cycle to cycle I and to cycle II. Before the action, only 10 students achieved KKM with a classical completion percentage of 27.02%. In cycle I, the number of students achieving KKM increased to 26 with a classical completion percentage of 70.27%. In cycle II, the number of students achieving KKM increased again to 31 with a classical completion percentage of 88.57%.  

The purpose of this study was to determine the positive and significant influence between the Influence of the Problem Based Learning Model Based on the Independent Curriculum on Increasing Motivation to Learn Christian Religious Education and Character Education of Class X Students of SMA Negeri 1 Pematang Siantar in the 2023/2024 Academic Year. The research method used is a quantitative method with descriptive inferential data analysis. The population is all students of class X SMA Negeri 1 Pematang Siantar who are Protestant Christians, totaling 372 people and a sample of 52 people is determined using the sample random sampling technique. Data were collected using a closed questionnaire of 44 items, namely 22 items for variable X and 22 items for variable Y. The results of the data analysis showed that there was a positive and significant influence of the Problem Based Learning Model Based on the Independent Curriculum on Increasing Motivation to Learn Christian Religious Education and Character Education of Class X Students of SMA Negeri 1 Pematang Siantar in the 2023/2024 Academic Year, as evidenced by the following data analysis: 1) Analysis requirements test: a) positive relationship test obtained rxy value = 0.612> rtable (a=0,05,n=52) = 0.297. b) Significant relationship test obtained tcount value = 5.600> ttable (a=0,05,dk=n-2=50)= 2.000. 2) Influence test: a) Regression equation test, obtained regression equation Y ̂="36.60" + 0.45X. b) Test of regression determination coefficient (r2) = 38.5%. 3) Hypothesis test using F test obtained Fcount > Ftable = =(a=0,05,dk numerator k=33,dk denominator t=n-2=52-2=50) which is 31.29 > 1.51. Thus Ha is accepted and H0 is rejected.