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21st century teachers are required to be professional, required to have a combination of 4 main skills, namely: academic, professional and social skills to educate and teach students effectively and efficiently. Increasing teacher academic competence is very important in supporting students' preparation for the 21st century generation, in addition to other competencies. Academic competency includes mastery of material and how to convey that material effectively and efficiently. This Community Service Activity (PKM) aims to improve teacher academic competence through training and mentoring activities with Project Based Learning (PJBL) and Problem Based Learning (PBL) learning models. The PKM method used is a service learning process. Participants in PKM activities are teachers from SMAN 1 Purwosari, Pasuruan Regency. Data was collected using techniques: observation, interviews, tests and questionnaires. The results of PKM activities show an increase in teacher academic competence regarding 2 learning models (PJBL and PBL). The teacher's response after participating in PKM activities was very good and positive and they even recommended similar activities in 2025.

Problems in learning mathematics, especially FPB and KPK material, are caused by many factors, one of which is the characteristics of mathematics. This research aims to determine student learning outcomes on KPK and FPB material in class IV of SDN Krueng Baung using the Problem Based Learning model. This research is Classroom Action Research (PTK) with a quantitative approach. The results of the research showed that there was an increase in student learning outcomes in KPK and FPB material in class IV of SDN Krueng Baung. This is proven by the results of research conducted on the pretest, 4 students (28.57%) received a passing score, while 10 students (71.42%) did not complete it, with an average score of 74.07. In the posttest, students' learning outcomes increased to 12 students (85.71%) and 2 students (14.28%) did not complete them, with an average learning outcome score of 79.21.

This study reviews various literature related to the implementation of game-based learning models in improving students' mathematical problem solving abilities. Game-based learning has proven effective in motivating students, increasing interaction, and developing mathematical problem solving skills. This article presents a summary of key findings from relevant studies, highlighting the application of the strategy and the positive impact that this approach can have in the context of mathematics learning.      

The purpose of this research was to produce a worksheet based on problem-based learning that would enhance students' ability to communicate mathematically when working with number pattern content. The quality of this LKPD refers to the effective aspect. This research uses a type of research and development (R&D) with a model developed by Borg & Gall. The subjects in this research were students in class VIII-5 of SMP Negeri 1 Tanjung Morawa with a total of 27 students. The object of this research is teaching materials in the form of PBL-based LKPD. Teacher response questionnaires, student response questionnaires, expert validation sheets, teacher interview question sheets, and tests of mathematical communication competence were the tools employed. Based on the research results, the effectiveness of LKPD can be seen from the achievement of learning completeness with an average individual learning completeness of 88 and for classical completeness of 96.3%. So the LKPD developed is declared "effective". Students' mathematical communication abilities are at a percentage of 90.1%, at high criteria, and it can be noted that for the N-Gain assessment, results were obtained with a student average of 0.74, meaning that there was an increase in students' mathematical communication abilities with high criteria. So, based on the results, it can be concluded that the LKPD developed in this research is valid, effective, and can improve students' mathematical communication skills.

This research aims to improve the learning outcomes and critical thinking abilities of class III students on subtraction operations material through the application of the Tems Gemes Tournament learning model. This type of research uses Class Action (PTK) which is carried out in 2 cycles. The data collection techniques used are planning, implementation, observation and reflection. The object of this research was class III students at SDN Pangendisan, totaling 16 students. The instruments in this research used observation, interviews and tests. This research shows that the application of the Teams Games Tournament model can improve students' learning outcomes and critical thinking abilities. The results of this research obtained that the average student learning outcomes in the pre-cycle were 23.9%, then increased in the first cycle to 70.24% with (KKM) of 67% and again increased in the second cycle, namely 83.57 with the category ( KKM) of 86%. With the learning results, it can be shown that students' thinking abilities in implementing the Teams Games Tournament model become more active, involved and able to solve mathematical problems. Thus, the Tems Games Tournament learning model improves learning outcomes and students' critical thinking skills in subtraction operations material. Based on the research results, it can be concluded that the Teams Games Tournament learning model can improve the Mathematics learning abilities of class III students at SDN Pangendisan.

This research explores the application of the Problem-Based Learning (PBL) model to improve the quality of digital image processing learning in the Informatics Engineering Study Program. Through in-depth interviews, observations, and document analysis, this research shows that PBL has a positive impact on students' conceptual understanding, technical skills, and involvement in the learning process. Nevertheless, challenges such as planning relevant learning problems and evaluating the learning process were also identified. Support and training are needed for lecturers to overcome these challenges. These findings provide valuable insights for the development of problem-based teaching practices in the context of digital image processing.  

This research explores the application of the Problem-Based Learning (PBL) model to improve the quality of digital image processing learning in the Informatics Engineering Study Program. Through in-depth interviews, observations, and document analysis, this research shows that PBL has a positive impact on students' conceptual understanding, technical skills, and involvement in the learning process. Nevertheless, challenges such as planning relevant learning problems and evaluating the learning process were also identified. Support and training are needed for lecturers to overcome these challenges. These findings provide valuable insights for the development of problem-based teaching practices in the context of digital image processing.

The problem of this research is that low mathematics learning outcomes are caused by students' low creative thinking abilities. This research aims to determine the increase in students' creative thinking abilities regarding data presentation at SDN Sukajaya through a problem based learning model, with a class V sample. The method used in this research is a quantitative experimental method with the type of Pre-Experimental Designs. The data collection technique uses observation, tests and documentation. The data analysis technique uses N-Gain. Based on the data analysis, the conclusion is obtained: there is an increase in the creative thinking abilities of fifth grade students at Sukajaya State Elementary School after using the problem based learning model in data presentation material, because seen from the results of the N-Gain test the value shows a value of 0.8, which is included in the high criteria. Calculations in this study used SPSS 26.

Education in Indonesia is experiencing development, students are required to compete in the era of industrial revolution 4.0 in the 21st century to be able to improve their abilities, namely collaboration, communication, creative and critical thinking and problem solving skills. So an effort is needed that can be applied to learning activities and one of them is through the application of the Project Based Learning learning model. This project-based learning is a learning strategy that empowers students to gain knowledge and understanding. The aim of this research is to increase student creativity through project-based learning to create teaching media to introduce the female reproductive organs and their functions. Classroom action research research design. The population of this research is all students taking women's health and family planning courses for the 2022-2023 academic year with a sample size of 13 odd semester (three) students. The data collection technique looks at activity during the lecture process and monitors the progress of projects carried out by students using observation assisted by instruments, namely written tests, performance tests and observation sheets. The results show an increase in learning outcomes in the category of students' thinking skills and creativity, which can be seen from the students' enthusiasm in completing the Teaching Aids for Introduction to Female Reproductive Organs project as well as presenting and publishing the results of their work. So it can be concluded that the application of the Project Based Learning (PjBL) learning model can improve the learning outcomes of thinking skills and creativity of students at the Tahirah Al Baeti Bulukumba Midwifery Academy for the 2022/2023 Academic Year.  

Based on data analysis in the initial reflection which still shows the learning outcomes of students who are still lacking, research was carried out by applying the 4C (Creativity, Critical Thinking, Collaboration, And Communication) oriented Problem Based Learning (PBL) model in learning Balinese, especially cecimpedan material. This study aims to determine the ability of students to write cecimpedan and determine student responses in class X PH 5 SMK Negeri 5 Denpasar in the 2023/2024 academic year with the research subjects being 40 students. This research uses theories including: (1) writing, (2) Balinese paribasa, (3) 21st century learning, (4) 4C in learning, (5) Problem Based Learning (PBL) model. Data were collected using test and observation methods, while the data processing method used descriptive statistics. The results of this study showed that before the application of the 4C-oriented Problem Based Learning (PBL) model (Creativity, Critical Thinking, Collaboration, And Communication) the average student score was 62.55. With clasical learning completeness only 22.5%. In cycle I, it increased to 82.65 with clasical learning completeness reaching 87.5%. Student responses to the application of the 4C-oriented Problem Based Learning (PBL) model (Creativity, Critical Thinking, Collaboration, And Communication) also increased from pre-cycle to cycle I. In the pre-cycle, the average student response was 58.77 with a category of less and increased in cycle I to 86.37% with a good category

Creative thinking needs serious attention because it is one of the essential skills in the 21st Century that supports academic and professional success. This research aims to systematically review the literature regarding strategies for improving creative thinking in students. The study is a Systematic Literature Review (SRL) involving 15 journals published in 2018-2022 and examines the topic of creative thinking skills, improving creative thinking skills, or training creative thinking skills. The journal search was done using a search engine (Google Chrome). The data that has been collected will be analyzed descriptively according to the existing research questions—data analysis using meta-synthesis. The research results show that creative thinking is an idea-construction process emphasizing fluency, flexibility, originality and elaboration. Students' creative thinking abilities can be improved by implementing scientific learning strategies. Several learning models that can improve students' creative thinking abilities include Creative Problem problem-solving, Discovery Learning, Scientific Critical Creative Thinking Model, STEM-E Model, problem-solving learning and Contextual Learning, Problem-Based Learning, project-based Learning, Authentic Learning, and Research-Based Learning

The problem of this research is that there is still a lack of student activity in participatory learning as well as interaction and collaboration between students in group learning activities. In this research, Classroom Action Research (PTK) was carried out in three meetings. The subjects of this research were 25 class V students of SDN Antasan Besar 7 Banjarmasin. The measure of research success with learning completeness is that 80% of students achieved a KKM score above 80. The results of this research show that at Meeting I to Meeting III there was an increase in the acquisition of learning activities in the application of the learning model, resulting in the "Very Active" criteria at Meeting I, II and III. At Meetings II and III, learning activities increased to almost all very active. Students' critical thinking skills increased to almost all highly skilled at Meetings II and III. At Meetings II and III, students' collaboration skills increased to Almost All Skilled. Meanwhile, completeness of learning outcomes increased again to 100% at Meeting III. From the results of this research, it can be concluded that educators' activities experienced a very significant increase when implementing the PBL model supported by DNGM using Wordwall media and the Dragon Snake game, as well as student activities, critical thinking skills, collaboration skills, and learning outcomes.      

This study intends to ascertain the potential, issues, and requirements for learning English for marketing majors at vocational schools. It also seeks to evaluate the feasibility of the Busworld website, which was created as an alternate medium for this research. English communication abilities must be improved by vocational students. Issues that arise with marketing majors at vocational schools show that the same materials are still used in both general education and vocational education. A notable example of technology use in this study is the technology-based learning medium, which took the shape of a website centered around telecommunications. The Sugiyono Model is the model that is adapted for this research, which employs the Research and Development (R&D) technique. Finding Potential, Problems, and Data Analysis, Design Validation, Product Design, Product Testing, Product Revision, Final Product, and Publication are the steps that have been modified. The SMK Pemuda 1 Kesamben, SMK PGRI 2 Sutojayan, and SMKN 1 Kademangan served as the research's field sites. This study's data is quantitative in the form of teacher and student answers and product validation results, and qualitative in the form of observations, interviews, and documentation. The study's findings suggest that using the Busworld website as an alternate medium can help marketing students expand their vocabulary related to business. The results of the media validation and material validation, which were completed by three experts each, and which yielded a score of 98%, indicating high validity, serve as evidence for this. Additionally, 88.5% of the replies from thirty marketing students and three teachers were included in the results of the teacher and student surveys. In summary, the Busworld website, which offers resources such as 100 lists of verbs, 100 lists of nouns, 50 business abbreviations, and 50 conversations with business themes, is a valuable tool for improving the business vocabulary proficiency of marketing students at vocational schools.

This study aims to improve student learning outcomes on substance density material through the Problem Based Learning (PBL) model with the Six Hats of Thinking method. This type of research uses Classroom Action Research (PTK),  the research sample is 7G grade  students with a total of 32 students of UPT SMP Negeri 1 Gresik for the 2023-2024 academic year. The study was conducted two cycles. Method of data collection through tests. Based on the data obtained, it aims to determine student responses to improved learning outcomes. The data collected at PTK is in the form of quantitative data. The data is in the form of student learning outcomes. To analyze the level of achievement of student learning outcomes after the learning process per cycle by providing an assessment in the form of test questions per end of the cycle. This study brought the results that during the learning process there was an increase in student learning outcomes in cycle 1 reaching a grade average of 80 and cycle 2 showing an average increase of 92. Conclusion when applied PBL model with Six Hats Thinking method student learning outcomes increase.

Since the national curriculum was changed to text-based, explanatory texts have become one of the types of texts that are taught to students in class X of high school. One of the competencies that must be achieved by students in learning explanatory texts is producing. Students are required to be able to produce explanatory texts properly and correctly. However, there are still several problems in the achievement of these competencies. Based on the problems encountered in the field, it is known that innovative and creative explanatory text writing learning media is still lacking. An explanatory text is a text that provides information about a process resulting from the phenomenon of tang occurring. PBL (Problem based Learning) is a method of student-centered learning in this model is to improve students' ability to solve problems, use thinking skills and develop life skills such as critical thinking and teamwork. This mix method was chosen because it has suitability because in this study what is to be answered includes outcomes and the process of developing qualitative and quantitative data because in this method it is more about asking how the needs of high school class X students for the PBL model with learning media to produce explanatory texts based on digital media and local wisdom in order to facilitate and understand the mistakes of the research. In this case, it can also improve students' ability to solve problems, use various thinking skills and develop life skills.      

The ability to write news texts for class VIII middle school students is still low. This problem was discovered based on observations when researchers talked to students at class VIII of SMP Negeri 1 Ngamprah, they did not understand the steps that had to be taken when writing news. In the learning process, teachers still use the lecture method, this makes students less active and tend to be passive when the teaching and learning process is taking place between the teacher and students. The learning model that can be a solution to this problem is the Group Investigation model assisted by broadcasts as a learning medium. The aim of this research is to determine students' responses to the application of the Group Investigation learning model assisted by podcasts in news text writing activities. This research uses a qualitative descriptive method with a research instrument in the form of a questionnaire. The results show an average of 63.83% included in the "Good" category.    

The ability to write news texts for class VIII middle school students is still low. This problem was discovered based on observations when researchers talked to students at class VIII of SMP Negeri 1 Ngamprah, they did not understand the steps that had to be taken when writing news. In the learning process, teachers still use the lecture method, this makes students less active and tend to be passive when the teaching and learning process is taking place between the teacher and students. The learning model that can be a solution to this problem is the Group Investigation model assisted by broadcasts as a learning medium. The aim of this research is to determine students' responses to the application of the Group Investigation learning model assisted by podcasts in news text writing activities. This research uses a qualitative descriptive method with a research instrument in the form of a questionnaire. The results show an average of 63.83% included in the "Good" category.    

The problem with this study is that many schoolchildren still complain about having trouble writing essays, texts, or stories. The issue with writing skills is that for students to write well, they also need a lot of extensive knowledge. The objective is to determine the effect of the problem-based learning model on the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation text material for the 2023–2024 academic year. This will be done by measuring students' ability to write negotiation text material using class problem-based learning. This exploration technique is trial research. A scoring system for evaluating a person's capacity to write negotiation texts serves as the data collection method. The examination area is at SMA Negeri 1 Kutalimbaru. The information examination methods in this exploration are homogeneity test, ordinariness test and t test. Based on the calculations, this study came to the conclusion that, at the 95% significance level, or  = 0.05, tcount is 38.39 and ttable is 1.66. The research alternative hypothesis (Ha) is accepted because tcount is greater than ttable (38.39 is greater than 1.66). Therefore, the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation texts is influenced by the problem-based learning model.    

The problem with this study is that many schoolchildren still complain about having trouble writing essays, texts, or stories. The issue with writing skills is that for students to write well, they also need a lot of extensive knowledge. The objective is to determine the effect of the problem-based learning model on the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation text material for the 2023–2024 academic year. This will be done by measuring students' ability to write negotiation text material using class problem-based learning. This exploration technique is trial research. A scoring system for evaluating a person's capacity to write negotiation texts serves as the data collection method. The examination area is at SMA Negeri 1 Kutalimbaru. The information examination methods in this exploration are homogeneity test, ordinariness test and t test. Based on the calculations, this study came to the conclusion that, at the 95% significance level, or  = 0.05, tcount is 38.39 and ttable is 1.66. The research alternative hypothesis (Ha) is accepted because tcount is greater than ttable (38.39 is greater than 1.66). Therefore, the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation texts is influenced by the problem-based learning model.    

The problem in this study is the low student learning outcomes on financial accounting cycle material. The type of research was research and development with the ADDIE model. With an experimental trial design using a pre-test - post-test control group design model. The feasibility of the product was tested by media experts, learning practitioners, namely teachers, and media users, namely students. The media was tested on the research subjects, namely students of class X AKL 2 SMK Muhammadiyah Dukun. The data collection instruments used were interview guidelines, expert validation questionnaires, teacher response questionnaires, student response questionnaires, and financial transaction questions. The results of the study show: (1) Basic Financial Accounting Learning Media Product "Nawasena" has been successfully developed to improve student learning outcomes in the accounting cycle; (2) "Nawasena" learning media is assessed as feasible by media experts with a score of 3.8; practitioner teachers 3.6; and students 3.61; (3) Learning media can improve student learning outcomes seen from the difference in gain score results between the control group 0.63 and the experiment which is 0.73.