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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.

The Digital Marketing 6.0 Training Program at SMA Perguruan Buddhi Dharma Tangerang was implemented to improve students' digital literacy and marketing skills in the era of digital transformation. The underlying problem of this training is the low level of students' understanding of technology-based marketing, which is an essential skill in the modern world of work and entrepreneurship. The purpose of this activity is to equip students with an understanding of the concept of digital marketing 6.0, technical skills in using digital tools, and skills in developing data-based marketing strategies. The methods used include the Community-Based Action Planning approach involving students, teachers, and community service teams, as well as experiential learning through simulations and direct practice.The results of the training showed a 40% increase in students' understanding of the concept of digital marketing as well as the ability to use digital tools and develop effective marketing strategies. In addition, this training gave rise to local leaders among students and created new awareness in the school community about the importance of technology integration in education. The collaboration between SMA Perguruan Buddhi Dharma and Universitas Buddhi Dharma also created a more inclusive and sustainable learning ecosystem. This training is expected to be a model for developing digital literacy for other schools in facing the challenges of the digital era.

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.

Learning is essentially a process of interaction between students and educators and learning resources in a learning environment, according to Gagne (Kanusta 1977: 19). The purpose of this study was to measure the level of student activeness in the classroom by using the Problem Based Learning (PBL) learning method. Based on the results of observations that have been made by researchers in history learning activities in class X SMA Swasta Gabriel Wanibesak from 24 students, only 49% of students are active in learning history, this also shows that in cycle I the level of student learning activeness has a classical percentage level of 49% where this is further confirmed based on the formula for calculating student activeness criteria in learning according to Arikunto (2007: 18) If the level of activeness is below 75% then students are less active in participating in the teaching and learning process. In cycle II researchers used the Problem Based Learning (PBL) learning method, there was an increase in the level of student activeness where the level of activeness in cycle II classically averaged 83%, this shows the level of enthusiasm of students in participating in the teaching and learning process that occurs in the classroom, in cycle II the teacher also tries to guide students to be more active in the teaching and learning process, such as answering questions given by the teacher, being able to express opinions, students are also active in group discussions, students actively ask the teacher regarding the material that has been conveyed, with the help and guidance of the teacher so that in cycle II the average level of student activeness has increased well.

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.  

The research aims to determine the positive and significant influence of the Problem Based Learning Method on the learning activity of Christian Religious Education and Ethics students in grade VIII of SMP Negeri 3 Pagaran for the 2023/2024 Academic Year. The hypothesis in this study is that there is a positive and significant influence of the Problem Based Learning method on the learning activity of grade VIII students of SMP Negeri 3 Pagaran for the 2023/2024 Academic Year. This study uses a quantitative method with an inferential descriptive type, with a population of all grade VIII students of SMP Negeri 3 Pagaran totaling 176 people with a sample of 35 people. The data collected by a closed questionnaire was 45 items. The questionnaire trial was carried out to 30 students at SMP Negeri 3 Pagaran, and so on the questionnaire was valid and reliable. The results of the analysis of the value of rcal=0.486> rtable=0.334 and that tcal=3.655> ttable=2.042 show that there is a relationship between the Problem Based Learning method and the learning activity of grade VIII students of SMP Negeri 3 Pagaran Academic Year 2023/2024 and obtained a simple regression equation, namely Ŷ = 32.44=0.34X. The hypothesis test was obtained Fcal > Ftable, which was 12.96 > 1.62, then H0 was rejected and Ha was accepted. This study concluded that there was a positive and significant influence between the Problem Based Learning Method on the Learning Activity of Grade VIII Students of SMP Negeri 3 Pagaran for the 2023/2024 Academic Year of 23.61%.

Learning achievement is every learning activity carried out by students which will result in a change in themselves. The learning outcomes obtained by students are measured based on differences in behavior before and after learning is carried out. The economic conditions of students' families at SMP Negeri 2 Binjai have a significant influence on student learning achievement. Many students who come from families with economically disadvantaged backgrounds face various challenges that hinder the learning process. Financial limitations often mean they do not have adequate access to educational resources, such as books, the internet, and additional tutoring which can help improve understanding of subject matter. This research uses the Apriori method as a problem solving method, namely to correlate between Family Socio-Economics, Activities Students Outside the School Environment and Level of Student Learning Motivation with Student Achievement in class. If data A, G, K → O with Support 30% and Confident 100% and S*C value 30%. So, if a student from a family with an income of less than Rp. 1,000,000 who take part in extracurricular activities outside of school, and have family-driven motivation, will have academic achievement with good report cards. This research indicates that family socio-economic conditions have a significant impact on student academic achievement. Through data analysis, it can be seen that factors such as family income, student activities outside the school environment and the level of student motivation to learn can influence the extent to which students can achieve higher academic achievement.

Cooperative learning model is one of the models that can be used as an alternative. The use of small groups in cooperative learning makes students work together to achieve the learning objectives. The problems in this study are (1) How is the application of cooperative learning models in improving the character of self-confidence in civics subjects in class III SD Negeri 15 Pekanbaru (2) Whether the cooperative learning model can improve the character of self confidence in the subject of civics in class III. This research includes Classroom Action Research (PTK) which was conducted in two cycles using quantitative analysis and qualitative analysis methods.  Each cycle consists of four stages, namely design, implementation, observation, and reflection. The subjects of this research were third grade students of SD Negeri 15 Pekanbaru, totalling 31 students. The research data were obtained using teacher and student observation sheets and student confidence test results, then the data were analysed using the percentage formula.The results obtained were (1) teacher activity in cycle I by using cooperative model from 72.11% to 92.15% in cycle II, (2) student activity in cycle I by using cooperative model from 45.71% to 83.69% and, (3) student learning outcomes in Civics subject in cycle I by using cooperative 32.25% to 83.87% in cycle II.This shows that the results of students' self-confidence in Civics subjects by using cooperative models show very positive results. Based on the results of this study, it can increase students' confidence to be more active and the teacher's ability to improve to be better.

Cooperative learning model is one of the models that can be used as an alternative. The use of small groups in cooperative learning makes students work together to achieve the learning objectives. The problems in this study are (1) How is the application of cooperative learning models in improving the character of self-confidence in civics subjects in class III SD Negeri 15 Pekanbaru (2) Whether the cooperative learning model can improve the character of self confidence in the subject of civics in class III. This research includes Classroom Action Research (PTK) which was conducted in two cycles using quantitative analysis and qualitative analysis methods.  Each cycle consists of four stages, namely design, implementation, observation, and reflection. The subjects of this research were third grade students of SD Negeri 15 Pekanbaru, totalling 31 students. The research data were obtained using teacher and student observation sheets and student confidence test results, then the data were analysed using the percentage formula.The results obtained were (1) teacher activity in cycle I by using cooperative model from 72.11% to 92.15% in cycle II, (2) student activity in cycle I by using cooperative model from 45.71% to 83.69% and, (3) student learning outcomes in Civics subject in cycle I by using cooperative 32.25% to 83.87% in cycle II.This shows that the results of students' self-confidence in Civics subjects by using cooperative models show very positive results. Based on the results of this study, it can increase students' confidence to be more active and the teacher's ability to improve to be better.

The Active Learning method is active learning. Most practitioners and observers refer to it as a learning by doing strategy. The approach views learning as a process of building understanding through experience and information. With this approach, learners' unique perceptions, knowledge and feelings influence the learning process. The problems in this study are (1) How is student interest in learning in the application of the Active Learning learning model using smart wheel games multiplication material of class III mathematics lessons SDIT Baitul Ilmi (2) Whether the application of the Active Learning learning model using smart wheel games can increase student interest in learning multiplication material of class III mathematics lessons SDIT Baitul Ilmi. This research includes Classroom Action Research (PTK) conducted in two cycles using quantitative analysis and qualitative analysis methods.  Each cycle consists of four stages, namely design, implementation, observation, and reflection. The subjects of this study were third grade students of SDIT Baitul Ilmi, totalling 33 students. The research data was obtained using teacher and student observation sheets and student learning interest test results, then the data was analysed using the percentage formula. The results obtained are (1) teacher activity in cycle I using the Active Learning model from 87.50% to 93.75% in cycle II, (2) student activity in cycle I using the Active Learning model 54.64% to 85.17% and, (3) the results of student learning interest in Mathematics subjects cycle I using Active Learning 32.25% to 83.87% in cycle II. This shows that the results of students' confidence in Mathematics subjects using the Active Learning model show very positive results. Based on the results of this study, it can increase students' interest in learning to be more active and the teacher's ability to improve for the better. 

The Active Learning method is active learning. Most practitioners and observers refer to it as a learning by doing strategy. The approach views learning as a process of building understanding through experience and information. With this approach, learners' unique perceptions, knowledge and feelings influence the learning process. The problems in this study are (1) How is student interest in learning in the application of the Active Learning learning model using smart wheel games multiplication material of class III mathematics lessons SDIT Baitul Ilmi (2) Whether the application of the Active Learning learning model using smart wheel games can increase student interest in learning multiplication material of class III mathematics lessons SDIT Baitul Ilmi. This research includes Classroom Action Research (PTK) conducted in two cycles using quantitative analysis and qualitative analysis methods.  Each cycle consists of four stages, namely design, implementation, observation, and reflection. The subjects of this study were third grade students of SDIT Baitul Ilmi, totalling 33 students. The research data was obtained using teacher and student observation sheets and student learning interest test results, then the data was analysed using the percentage formula. The results obtained are (1) teacher activity in cycle I using the Active Learning model from 87.50% to 93.75% in cycle II, (2) student activity in cycle I using the Active Learning model 54.64% to 85.17% and, (3) the results of student learning interest in Mathematics subjects cycle I using Active Learning 32.25% to 83.87% in cycle II. This shows that the results of students' confidence in Mathematics subjects using the Active Learning model show very positive results. Based on the results of this study, it can increase students' interest in learning to be more active and the teacher's ability to improve for the better. 

Problem Based Learning (PBL) is a teaching and learning process in the classroom where students are first asked to observe a phenomenon. Then students are asked to record the problems that arise, after that the teacher's job is to stimulate critical thinking in solving existing problems. The teacher's task is to direct students to ask questions, prove assumptions, and listen to different perspectives among them. The problems in this study are (1) Can Problem-Based Learning (PBL) improve student learning outcomes in Civics class V at SD Negeri 15 Pekanbaru (2) How is the effect of student learning outcomes with the Problem-Based Learning (PBL) model in Civics class V at SD Negeri 15 Pekanbaru. This research includes Classroom Action Research (PTK) which was conducted in two cycles using the Problem-Based Learning (PBL) method. Each cycle consists of four stages, namely design, implementation, observation, and reflection. The subjects of this research were fifth-grade students of SD Negeri 15 Pekanbaru, totaling 35 students. The research data was obtained using teacher and student observation sheets and student test results, then the data was analyzed using the percentage formula. The results obtained were (1) teacher activity in cycle I using a problem-based learning model from 78.75% to 91.25% in cycle II, (2) student activity in cycle I using the Problem-Based Learning (PBL) model 50.48% to 85.26%, and, (3) student learning outcomes in Civics subjects in cycle I using problem-based learning 40% to 94.28% in cycle II. This shows that student learning outcomes in Civics subjects using problem-based learning models show very positive results. Based on the results of this study can improve student learning outcomes to be more active and the ability of teachers to improve for the better.      

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.

Writing descriptive text is an activity carried out by someone in telling or describing a particular object so that the reader will be able to know clearly what the general description of the object being discussed is. At the elementary school level, when learning Indonesian, writing descriptive texts is one of the learning achievements that must be achieved by students. The development of descriptive text writing skills can be achieved using the problem based learning method so that it allows students to think critically during learning so as to improve student learning outcomes.

Waste is one of the biggest environmental problems in Indonesia. Based on data from the 2014 Central Statistics Agency (in Angga & Djunaidi, 2017) it shows that Indonesia produces around 187.2 million tons of waste / year and is in second place as the largest waste producer in the world. Waste not only comes from households but also from the school environment. If this waste is left unchecked, it can cause disease. This large amount of waste is also caused by people's lack of concern for the environment. Therefore, it requires an appropriate management strategy, one of which is through recycling. The waste recycling training aims to increase knowledge of dealing with plastic waste and develop the creativity of Purwakarta State Primary School teachers so that they are able to process waste into learning media as well as capital for students to understand learning more easily through waste recycling training. Implementation methods include environmental observation, problem identification, determining service activities, coordinating service activities with prospective participants, implementing training. The waste recycling training activity has been successful and running smoothly, able to develop creativity and increase teachers' knowledge regarding waste managent.

In the 21st century, technological development is increasingly rapid and tends towards digitalization, when compared to a few decades ago. So, if it is not utilized, it will be something in vain. Using technology-based learning media will facilitate the learning process, so that it can improve the quality of learning and can improve students' mathematical representation skills. One of the technology-based mathematics learning media that can help students in representing mathematical models/problems is GeoGebra Software. The purpose of this research activity is to find out whether the use of GeoGebra software  media can improve students' computational thinking skills in mathematics learning. Improving students' understanding of how to show a model or mathematical problem in graph form or vice versa is one of the benefits of research. The method used in this study is Systematic Literature Review (SLR). This research method is carried out by reviewing journals in a structured manner with predetermined steps. The result of this research activity is that GeoGebra can help students understand the concept of straight line graphs in more detail with a varied and attractive appearance. In addition, for teachers themselves, GeoGebra can be used as a mathematics learning tool to create interactive learning that allows students to explore various abstract mathematical concepts.  

Learning media is a vehicle for transmitting learning messages and information. Learning media is designed as best as possible to improve student learning outcomes. In this era of globalization, learning media is increasingly advanced. The use of Information Technology as a learning medium has become a demand. In order to increase the effectiveness and efficiency of learning, various creative and innovative learning models need to be developed. This research aims to meet school needs, increase interest in learning and improve student learning outcomes. Limitations of learning media are known to be one of the obstacles that exist in learning at the elementary school level, especially for students. The impact of limited media is the low interest and activity of students when participating in elementary school learning. The existence of these obstacles aims to develop Monokebu media as an alternative solution to learning problems for students as well as finding out whether the media is suitable for use in learning and presenting the results of limited trials of the media. The method used in this research is a qualitative method with a library research approach. The results of this research indicate that it is very necessary to develop teaching material media to improve student learning outcomes. In this progressive era, learning media can be created using technology-based learning media models. Among the technology-based media are PPT, Google Classroom, Google Meet. Including Monokebu media.

Teaching the Al-Qur’an is the core of Islamic education, with the main aim of guiding children in reading, studying and understanding the Koran from an early age. The Al-Qur'an Education Park (TPQ) serves as an important platform to instill a love of the Al-Qur'an in children. Even though many TPQs have been successful with good administration and management and a large number of students, there are still TPQs that have not developed, such as the TPQ in Glidah Kedamean Village, Gresik. Observations show that learning management at TPQ does not meet recognized management and curriculum standards in education, resulting in suboptimal educational attainment. Responding to this problem, the Glidah Village TPQ Teacher Management Optimization team, together with KSPPS BMT Khoiru Ummah, initiated an intensive community service-based mentoring program using the Participatory Action Research (PAR) method. The mentoring process involves several stages, starting from identifying problems through field observations, organizing and planning programs, to implementing program actions. The results of discussions and implementation of mentoring revealed a number of problems faced by teachers regarding TPQ management. The implementation of this mentoring activity has been empirically proven to have a positive impact, increasing the effectiveness of management and the quality of education at the TPQ.

Learning is a process, an activity and not a result or goal. Learning is not just remembering, but broader than that, namely experiencing. This article discusses how to apply the PBL (Problem Based Learning) learning model in increasing student activity. This research is classified as qualitative descriptive research. In the learning process, students tend to get bored and less interested in the ongoing learning process because the method used is only lectures and is monotonous. Student activity in the learning process also has an important role in learning outcomes. The project based learning learning model is a scientific approach which consists of several stages, including observing, asking, collecting information, reasoning and communicating. Through these various stages students can increase their role in the learning process.

This research aims to find out whether the application of the problem based learning model can improve students' mathematical problem solving abilities in class VII of St. Peter's Middle School, Medan. This research method uses Classroom Action Research (PTK). The research procedure is cyclical. Each cycle consists of 4 stages, namely: planning, implementing actions, observing and reflecting. Data collection techniques through observation and tests. This data collection uses several instruments in the form of student observation sheets. Meanwhile, to determine students' mathematical problem solving abilities, tests are used. The results of the research show that the use of the Problem Based Learning learning model can improve students' mathematical problem solving abilities in mathematics lessons on algebra material. From the average value of prerequisite abilities, namely 55.56, the average value of students' mathematical problem solving abilities in cycle I is 72.55 and the average value of students' mathematical problem solving abilities in cycle II is 76.39 and the activity value of students in cycle I is 62%, and cycle II, namely 85%.