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This study aims to improve students' mathematical problem-solving skills through the Missouri Mathematics Project (MMP) model on the material of a Linear Two Variable System in grade VIII-6 students of SMP N 4 Medan as a subject or this research. The type of this research is classroom action research. The instrument used the collect the data are essay test and observation sheet. Before giving the action in initial test to 32 students obtained the average score is 50.46 with the classical completeness is 34.37% or only 11 students achieve the completeness criteria. The completeness criteria is the standard point that must be reached by students namely at least 65 and classical completeness is the standard percentage that must be reached by the class namely at least 85%. After given the action in the first cycle namely the implementation of MMP learning model to 32 students, obtained the average score is 63.9844 with the classical completeness 50% or 16 students achieve the completeness criteria. Then given the second cycle namely increasing MMP learning model, obtained the average score is 82.11 with the classical completeness 93.75%. Based on the observation done by teacher obtained that the point of second cycle is higher than the point of first cycle. Based on the average gain score, obtained that the average gain score in Cycle I test-Cycle II test is higher than Initial Test-Cycle I Test. From the result of research, can be concluded that the mathematical problem-solving ability of students can be increased or improved especially on the topic of Linear System with Two Variable by using Missouri Mathematics Project Learning Model

Critical thinking is a process of solving problems based on good judgment and experiences that are by facts. A thought process of solving problems in learning is said to be achieved and can improve critical thinking skills in solving problems during the learning process if the implementation is student-centered. To improve critical thinking skills, improve the quality of education, and produce quality learning outcomes, the government made a breakthrough by holding the School Literacy Movement (GLS) program. Namely a mass movement to foster a love of literacy to meet the need for information and reading for this nation's generation. Literacy is the ability of individuals to read, write, speak, calculate and solve problems at the level of expertise required in work, family, and society. Good literacy and followed up by giving assignments or recitations, can hone skills to make students able to think critically, creatively, innovatively and develop student character.

This study aims to obtain teaching materials based on a valid, practical, and effective realistic mathematical approach, so as to improve students' mathematical reasoning abilities on the material of a three-variable linear equation system. The research instruments used were questionnaire validation sheets, lesson plans validation sheets, teaching material validation sheets, test instrument validation sheets, mathematical reasoning ability tests, and teacher and student response questionnaires to teaching materials. After all instruments, lesson plans, and teaching materials were declared valid by the validator, then readability tests and field trials were carried out. The results showed that: (1) the teaching materials based on the realistic mathematical approach developed had met the criteria of validity based on the validator's assessment with the average validity of the teaching materials for the material being 3.13 and 3.29 for media with a very feasible category; (2) the teaching materials based on the realistic mathematical approach that have been developed have met the practicality criteria through: a) the results of the questionnaire student responses to teaching materials show the percentage of practicality of 81.19% with a very practical category, b) the results of the questionnaire responses of teachers to teaching materials show the percentage of practicality 88.75% with very practical category; (3) The teaching materials based on the realistic mathematics approach developed meet the effective criteria with: a) classical student learning mastery of 88%, b) more than 65% of students have achieved 75% of learning objectives for each indicator, c) increased mathematical reasoning ability students after using teaching materials seen through the average score of students increased from 50 in the pretest to 85.33 in the posttest and the results of the N-Gain analysis which showed students' mathematical problem solving abilities increased by 0.712, meaning in the high category.

The background of this research was class VIII MTs Al Washliyah Sei Mencirim  with learning difficulties in following the teaching of mathematics with a scientific approach introduced by Kemendikbud in Curriculum 2013. Such problems made researchers interested in conducting further research. The purpose of this study to determined the cause of students experiencing difficulties in the learning process of mathematics with a scientific approach. This research was a quantitative and qualitative research. Data obtained by observation, questionnaires, and interviews. The research instrument used was a questionnaire teachers and students, learning and activity observation sheet of students in the classroom, as well as interview guides teachers and students. The results showed that the form of learning difficulties for class VIII students that appeared in mathematics learning on flat sided space material with a scientific approach were students having difficulty understanding and solving flat sided space problems, difficulty in asking flat sided shape problems, difficulty in trying to solve problems. in the form of reasoning and difficulties in concluding the material that has been studied. The cause of the emergence of learning difficulties in mathematics learning material relations and presenting the relation with the approach of scientific because of the difficulties caused by teachers such as: (1) the teacher wasn’t directing students to ask and concluded, (2) teachers didn’t prepare the implementation stages observe well with the acquisition of a percentage 40%, (3) the issue of the reasoning given fairly difficult, (4) lack of skills and understanding of teachers in implementing the learning process with the approach of the scientific with the acquisition of a percentage of 40% and the difficulties that arise from the students themselves, such as: (1) lack of awareness of students to learn and willing to follow the learning process, (2) the fear that a dominant appears, (3) students experience language impairments, (4) students impaired recall, (5) students impaired reasoning.

This research is aim to describe the difficulties in learning and solving Algebra problems experienced by class VII Students of SMP Negeri 7 Cimahi. This research method uses a descriptive method with a qualitative approach. The subjects used in this research were five Students of class VII H who were randomly selected, and the teacher concerned. The instrument used in this study were written tests, questionnaires and interview guides. The results of this research indicate the various difficulties experienced by Students and the factors that cause them. These difficulties include difficulties in identifying coefficients, determining like terms, and performing various arithmetic operations in Algebraic forms. The factors that cause Student difficulties are divided into two, namely internal and external factors. The internal factor is that Students don't understand the concept and don't master arithmetic operations on integers, while the external factor is the lack of Interest, talent and motivation of Students in learning Algebra.

Penelitian ini bertujuan untuk mengetahui hasil analisis penelitian kemampuan pemecahan masalah matematis siswa SMP Penelitian ini menggunakan pendekatan kualitatif dan jenis penelitian yang digunakan adalah kepustakaan yaitu mengumpulkan data atau karya tulis ilmiah yang berkaitan dengan objek penelitian yang bersifat kepustakaan. Metode studi kepustakaan atau studi literature adalah serangkaian kegiatan yang berkenaan dengan metode pengumpulan data pustaka,membaca dan mencatat, serta mengelola bahan penelitian. Hasil temuan kepustakaan menunjukan adanya peningkatan setelah diberikan model pembelajaran Creative Problem Solving terhadap kemampuan pemecahan masalah matematis siswa SMP. Hal tersebut dilihat dari hasil penelitian beberapa sumber data dalam penelitian ini.

Jumlah konflik setiap tahun semakin meningkat bahkan kalangan mahasiswa sebagai kalangan akademisi tak luput menghadapi konflik. Terdapat beberapa kasus konflik yang menyangkut mahasiswa dan tentunya diperlukan mata kuliah Manajemen Konflik sehingga mereka memiliki kemampuan menyelesaikan konflik secara konstruktif. Jurnal ini bertujuan menganalisis Persepsi Mahasiswa Terhadap Konflik Dalam Pembelajaran Mata Kuliah Manajemen Konflik di Prodi Manajemen Pendidikan Islam di Universitas Islam Negeri Kyai Haji Ahmad Shiddiq Jember. Persepsi yang dianalisis terkait dengan aspek kognitif, afektif, dan psikomotor. Data yang didapat berasal dari observasi dan angket kepada 26 mahasiswa Prodi Manajemen Pendidikan Islam. Hasil sebelum pembelajaran Manajemen konflik diperoleh data bahwa 73,1% responden memiliki persepsi negatif terhadap konflik, 88,5% responden membutuhkan orang lain untuk menyelesaikan konflik, 61,5% kesulitan dalam menyelesaikan konfilik, dan 65,4% sering mengalah dalam menyelesaikan konflik. Terdapat perubahan persepsi setelah pembelajaran manajemen Konflik yang mengarah pada peningkatan positif yaitu 63% responden memiliki persepsi positif terhadap konflik, 77,8% responden membutuhkan orang lain dalam menyelesaikan konflik, 48,1% kesulitan dalam menyelesaikan konflik, dan 77,8% menghadapi konflik dengan mengalah. Saran bagi permasalahan tersebut yaitu metode pembelajaran Manajemen Konflik lebih menitik beratkan pada aspek afektif seperti bagaimana mengontrol emosi, menumbuhkan kepercayaan diri dalam menyelesaikan konflik, dan berlatih menggunakan metode problem solving. Permasalahan yang dihadapi responden dipengaruhi pula oleh aspek psikologis dan budaya dalam masyarakatnya.

21st century learning has had a huge impact on students and teachers. Students must be guided to be able to think critically to overcome various kinds of problems that occur. Furthermore, teachers as education play an important role in honing problem solving skills in their students. The problem solving learning model is a learning model that directs students to solve problems in the learning process. In addition, the problem solving learning model is not fully capable of being applied by science teachers. Although, in the 2013 curriculum in Indonesia a teacher is required to be able to apply the problem solving model in conducting science learning. Not only that, the limited experience of teachers in applying variations of these learning models is still the main obstacle in learning science. So, teachers in Indonesia must have extensive experience in adopting problem solving learning models. This study aims to determine the effectiveness of the problem solving learning model in learning science in Indonesia. This research is a kind of meta-analysis research. The research sample came from analyzing national and international journals published from 2010-2022. The selection of data used as samples was carried out very strictly and thoroughly. Searching for this research sample through Google Scholar, Eric, Hindawi, Sage, Springer, Proquest, IEEE, DOAJ, and Wiley. The sample selection technique is a purposive sampling technique. In this technique, the data that is used as a sample must have a relationship with the research variable. In searching for sample keywords, namely problem solving learning models in learning science (Biology, Chemistry and Physics) in various schools in Indonesia. Data analysis is descriptive statistical analysis with the OpenMEE application. Data analysis was performed by calculating effect size, standard deviation (SD), average value (mean), and N-gain. The results of this study concluded that the application of the problem solving learning model was very effective in learning science in Indonesia. This learning model is able to increase student learning outcomes with an average score of 86 students in the experimental class and 65.5 in the control class, the effect size value is 1.39 in the high category and N-Gain is 0.55.

Recording financial transactions is an important activity that must be carried out by a business. In accounting, recording financial transactions is a fundamental thing that must be done. With these records, all business financial transactions can be accounted for and brought to the financial statements. Computerized technology using barcodes in payment transactions has the aim of increasing speed, accuracy, and service quality. In carrying out payment administration activities still using the manual system will have an impact on the Administrative officer having difficulty finding data on students who want to pay and the network (LAN) has not been implemented on the computer is also a problem at the research site, because to share data with the treasurer and principal becomes constrained, data can be damaged, lost or misused because its security is not guaranteed. In solving these problems, the researchers collected data and facts that existed at the research site, then designed a payment administration information that was in accordance with the needs of the school. In making Administrative Information System Integrated With Barcode Reader, researchers used Microsoft Visual Basic 6.0 programming language, MySQL Server database as data storage media and Subtime Text as tools to create source code. In the preparation of this application using object-oriented methods.

Abstract. Environment is everything that affects human growthand animals. While the environment is everything that being around living things (organisms) that have reciprocal effects on living things. Effort environmental preservation means maintaining the existence of the environment forever, everlasting and unchanging. By doing actions arbitrarily to the environment by exploiting regardless of the consequences, clearly contrary to Christian teachings Instability of natural conditions, disasters and calamities that occur in nature, because it is caused by human hands. Management This environment aims to achieve harmonious relations between humans and the environment. inner harmony Christian teachings include four things, namely: harmony with God, harmony with society, harmony with the natural environment and harmony with oneself. Efforts to preserve the environment alive, this received serious attention from the shepherd. written in the bible about reviving dead land, planting trees (reforestation) and the contents of the bible about the prohibition of open defecation. Messages written in God's word, are awakening to his people to always increase awareness of the environment.

Abstract. Environment is everything that affects human growthand animals. While the environment is everything that being around living things (organisms) that have reciprocal effects on living things. Effort environmental preservation means maintaining the existence of the environment forever, everlasting and unchanging. By doing actions arbitrarily to the environment by exploiting regardless of the consequences, clearly contrary to Christian teachings Instability of natural conditions, disasters and calamities that occur in nature, because it is caused by human hands. Management This environment aims to achieve harmonious relations between humans and the environment. inner harmony Christian teachings include four things, namely: harmony with God, harmony with society, harmony with the natural environment and harmony with oneself. Efforts to preserve the environment alive, this received serious attention from the shepherd. written in the bible about reviving dead land, planting trees (reforestation) and the contents of the bible about the prohibition of open defecation. Messages written in God's word, are awakening to his people to always increase awareness of the environment.

Penelitian ini bertujuan untuk membedakan hasil belajar PAI peserta didik kelas VII melalui model discovery learning dan problem solving di UPTD SMP Negeri 1 Kecamatan Suliki, serta untuk mengetahui pemilihan model yang sesuai pada materi Sholat Jama’ dan Shalat Qasar. Populasi penelitian ini melibatkan seluruh siswa kelas VII, dan sampelnya juga di ambil dari keseluruhan populasi. Sehingga diperoleh 2 kelas sampel, yaitu kelas VII.1 (model discovery learning) dan VII.2 (model problem solving).. Hasil penelitian ini menunjukkan bahwa hasil belajar PAI Peserta didik kelas VII UPTD SMP Negeri 1 Kecamatan Suliki yang menggunakan model pembelajaran discovery learning yang terbanyak diperoleh oleh siswa siswa pada rentang nilai 77 sampai dengan 85 dengan frekuensi 9. Sedangkan yang menggunakan model pembelajaran problem solving dapat disimpulkan bahwa nilai yang terbanyak diperoleh oleh siswa siswa pada rentang nilai 55 sampai dengan 64 dengan frekuensi 7. Model discovery learning dan problem solving terdapat perbandingan hasil belajar dan juga dapat meningkatkan hasil belajar PAI peserta didik. Peningkatan tersebut dapat dilihat dari hasil analisis uji thitung. Berdasarkan hasil analisis diperoleh thitung = 2,025 dan ttabel = 2,022. Jadi dapat disimpulkan bahwa terdapat perbedaan hasil belajar PAI peserta didik menggunakan model discovery learning dengan menggunakan model problem solving.  

Adulthood is experiencing many problems that must be faced, especially in middle adulthood. Middle adulthood can be said to start at 35-60 years old. The median age is filled with various responsibilities and roles that consume time and energy. This period is also a period that spans the problems of daily life faced. This period was eventually marked by physical and mental changes, especially in spirituality. The method used in this paper is qualitative, using a literature approach. A literature study is carried out by examining various sources regarding the topics discussed. Researchers use various study sources such as textbooks, scientific journals and scientific internet sources.

Adulthood is experiencing many problems that must be faced, especially in middle adulthood. Middle adulthood can be said to start at 35-60 years old. The median age is filled with various responsibilities and roles that consume time and energy. This period is also a period that spans the problems of daily life faced. This period was eventually marked by physical and mental changes, especially in spirituality. The method used in this paper is qualitative, using a literature approach. A literature study is carried out by examining various sources regarding the topics discussed. Researchers use various study sources such as textbooks, scientific journals and scientific internet sources.

This research aims to describe the influence of the implementation of Creative Problem Solving learning on PAI learning outcomes. This research is a quasi-experiment with a research design using a posttest only control group design. The research population was 401 grade V students at PAKEM District Elementary School. The sample consisted of 120 students who were divided into two experimental classes and two control classes using group random sampling technique. The instrument used is the PAI learning outcomes questionnaire. Data analysis was carried out using ANOVA. The results of this research show that: a) there is a difference in social studies learning outcomes between students who take part in Creative Problem Solving learning and students who take part in conventional learning with a Fhit value of 22.284 > Ftab (3.93), b) there is an influence between the application of creative problem solving learning and multicultural attitudes towards PAI learning outcomes with a Fhit value of 66.428 < Ftab (3.97).

The research method used in this research is descriptive qualitative research and the form of research used is a case study with the subject being students of class X IIS 4 consisting of 30 students. The data collection tool used was a learning style questionnaire, a test of mathematical problem solving abilities in the form of 2 essays, and interviews with 6 students, namely 2 students with a visual learning style, 2 students with an auditory learning style, and 2 students with a kinesthetic learning style. Before being used in this study, the questions were tried out to determine validity, discriminatory power, index of difficulty, and test reliability. From the results of the study it can be concluded that the students' mathematical problem-solving abilities in terms of learning styles in SPLTV material as a whole have a percentage of 65% with moderate criteria. The sub-problems in this study are as follows: (1) The mathematical problem solving ability of students with a visual learning style has a percentage of 64.82% with moderate criteria; (2) Mathematical problem solving ability of students with auditory learning style ability has a percentage of 72.92% with moderate criteria; (3) The ability of students' mathematical problem solving with learning styles has a percentage of 61.72% with low criteria.    

This study aims to determine the effect of a combination of Discovery Learning and Problem Based Learning on the problem solving abilities of class X students at SMA Negeri 9 Malang. The method used in this research is quasi-experimental with a quantitative approach. Data collection techniques used were interviews, problem-solving ability tests, sheet validation and documentation. The results showed that there was a significant influence on the problem solving abilities of students using a combination of Discovery Learning and Problem Based Learning models in biology class X IPA Malang State High School which can be seen from the sig (2tailed) value of 0.002<0.05. The combination of the Discovery Learning model with Problem Based Learning provides opportunities for students to be actively involved in the learning process to solve problems that occur in everyday life starting from finding problems, analyzing problems to drawing conclusions

Berdasarkan hasil observasi dan wawancara dengan guru kelas V di SD Gugus Nyi Ageng Serang dan hasil perolehan PISA pada tahun 2019 menunjukkan bahwa kemampuan problem solving peserta didik masih rendah. Oleh sebab itu, perlu dibuatnya soal untuk menganalisis kemampuan problem solving peserta didik melalui penilaian IPA. Tujuan dari penelitian ini untuk mengetahui kemampuan problem solving peserta didik di SD gugus Nyi Ageng Serang baik itu perempuan maupun laki-laki. Penelitian ini menggunakan metode kuantitatif deskriptif. Hasil analisis kemampuan problem solving peserta didik melalui penilaian IPA materi suhu dan kalor kelas V SD Gugus Nyi Ageng Serang memperoleh nilai rerata yaitu 81,89% dengan kategori tinggi. Hasil analisis perbedaan kemampuan problem solving peserta didik laki-laki dan perempuan di SDN Jatimalang dan SDN Maduretno yaitu terdapat perbedaan nyata antara peserta didik laki-laki dan perempuan karena nilai signifikan <5%. Sedangkan di SDN Jatinegoro, SDN Geparang, SDN Nampurejo tidak terdapat perbedaan nyata antara peserta didik laki-laki dengan perempuan karena nilai signifikan >5%.

Pandemi covid-19 membawa kebiasaan baru pada dunia pendidikan baik proses pembelajaran maupun menajerial disekolah. Dari hasil wawancara, pada masa pandemi manajerial sekolah tidak dijalankan secara optimal terutama pada inovasi pembelajaran. Pada siswa, mengalami literasi yang rendah. Dari dua hal tersebut, maka diperlukan penguatan manajemen madrasah dan literasi yang disesuaikan dengan masa pandemic covid-19. Kegiatan ini dilaksanakan terpisah antara guru dan siswa. Manajerial difokuskan pada guru, sementara literasi difokuskan kepada siswa. Kegiatan ini dilakukan selama 4 sesi yang dikemas menarik dalam dua hari. Materi untuk guru oleh praktisi pendidikan sementara materi untuk siswa dilakukan oleh trainer literasi dan kepemimpinan. Penguatan manajerial menggunakan tiga metode yakni metode ceramah variasi, metode problem solving dan metode tanya jawab. Pelatihan literasi menggunakan empat alur yan dimulai pra pelatihan, pre tes, penyajian materi, dan post test.  Ada beberapa kendala yang dapat diselesaikan secara baik dan membawa dampak positif. Pengabdian ini disambut baik oleh pihak sekolah dan seluruh peserta antusias melakukan serangkaian kegiatan.

This study aims to determine the effect of the combination of the STAD learning model with NHT on the problem solving ability of students in class X Mipa 3 and 4 at SMA Negeri 9 Malang with the material being taught is kingdom Monera this research is a qusi-experimental research using a purposive sampling design. The population in this study amounted to 68 students who werea a combination of all class X in the school, while the sample was taken from two classes with 34 participants in the each class. The class was divided into control and experimental classes, where each class used conventional model for the control class and combination of STAD and NHT learning model for the experimental class. The study measures the problem solving ability of students. The data collection teachniques in the study were in the from of problem solving ability tests, observations, interview, documention with instruments in the from of lesson plans, LKPD, LKPD assement rubrics, observation sheets on the implementation of learning implematation plans, and problem solving ability instrument sheets in the from pre-test and post-test essays. Test analysis of research data used inferential statistical analysis with covariate analysis (anacova). The result of the hypothesis test showed that there was a significant effect, namely 0.008 < 0,05 from the learning model combination the STAD and NHT models with the kingdom monera material in class X at SMA Negeri 9 Malang.