This research and development is motivated by the existence of potentials and problems, the potential in this study regarding several learning media that can stimulate or facilitate the learning process. Whereas the problem is that students do not understand the subtraction operation so they have to explain the material repeatedly, this is because there is no stimulus to support the learning process. This can be proven by the average value of 70, and the KKM score in these subjects 75. So it can be concluded that the average score is less than the KKM value. Therefore, a learning media is needed based on these potentials and problems. So that ludo game learning media was created in the MIS Sindangraja class 3 reduction operation. This research is included in the type and design of research development or R&D (Research and Development) of the Borg and Gall type which was carried out at the Sindangraja MIS School with a total of 16 students. The data collection technique was done by using prestest and postest tests. Data were analyzed by SPSS.

The low mathematics learning achievement of students due to the less than optimal use of innovative learning models makes it difficult for students to understand the learning material as the reason why this study was conducted. The purpose of this study was to analyze the effect of the application of Somatic, Auditory, Visual and Intellectual (SAVI) learning. This type of this study was expresearcherimental research, with quantitative data. This study used the experimental design of The Non-Equivalent Group Design. The population of this study were all students of class V, amounting to 61 students. The technique in determining the research sample is random sampling. Test and interview methods were used in collecting research data. The results of data analysis showed that the average mathematics learning achievement of students in the group given the SAVI learning model got 83.6 results while the average mathematics learning achievement of students in the conventional taught group got 61.66 results. The difference can also be seen from the average N gain, namely the experimental class is 0.68 in the quite effective category, while for the average N gain, and the control class is 0.22, in the ineffective category. Thus, there is a significant difference in students' mathematics learning achievement between the experimental class that uses the SAVI learning model and the control class that does not use the SAVI learning model.

Science learning must be interpreted as an activity that is observational, experimental and predictive, so that students can understand science concepts appropriately and can be verified. In science learning in grade IV SDN 3 Sukamanah there are several obstacles in learning style material, namely the lack of supporting facilities when science subjects take place such as learning media and practical tools, style material for fourth grade students is still unfamiliar / new to learn like the style what the student means is the selfie or swimming style so that the teacher also requires a lot of time and must prepare adequate support and the learning process carried out by the teacher only uses the lecture learning model, so that learning achievement in science subjects does not achieve the learning objectives which are expected. Based on these problems, the researchers applied the Numbered Head Together learning model to determine the effect on student achievement in science subjects class IV style material of SDN 3 Sukamanah. The research method used in this study is an experimental research method with a quasi-experimental design in the form of One-Group Pretest-Posttest. The research was conducted at SDN 3 Sukamanah with a population of sixteen people.

Penelitian ini bertujuan untuk memperoleh data dan informasi mengenai objek penelitian. Jenis interferensi yang terjadi dideskripsikan secara tekstual sesuai dengan objek penelitian yaitu jenis-jenis interferensi bahasa. Objek pada penelitian ini adalah karangan narasi siswa yang berfokus pada bentuk interferensi bahasa Daerah ke dalam bahasa Indonesia. Jenis penelitian ini adalah penilitian kaulitatif. Data diperoleh dengan teknik observasi, wawancara dan penugasan. Teknik observasi dan wawancara digunakan untuk mencari informasi mengenai keadaan sekolah, sedangkan teknik penugasan digunakan untuk mendapatkan sumber data tentang karangan narasi siswa. Sumber data berupa karangan narasi siswa tersebut kemudian dikumpulkan dan selanjutnya dianalisis. Data yang telah dikumpulkan dianalisis dengan cara pandang dan dideskripsikan masing-masing menurut jenis interferensinya. Hasil analisis disajikan dengan metode deskriptif. Hasil penelitian menunjukkan bahwa interferensi yang terjadi dalam karangan narasi siswa ini terdapat pada empat bidang linguistik, yaitu: fonologi, morfologi, leksikal, dan sintaksis. Interferensi yang terjadi pada bidang fonologi mencakup perubahan bunyi vokal sebanyak 8%. Pada morfologi terdiri atas interferensi pada afiksasi dan perulangan sebanyak 28%. Pada bidang leksikal, interferensi yang terjadi mencakup tiga kelas kata, yaitu: nomina, verba, dan adjektiva sebanyak 28%.

Penelitian dan pengembangan ini bertujuan untuk membuat sebuah media pembelajaran yaitu film bisu (visual gerak) guna untuk mengetahui kualitas media yang telah dikembangkan berdasarkan penilaian oleh ahli media, ahli materi dan penilaian oleh 24 orang siswa pada materi jenis-jenis pekerjaan serta mengetahui respon siswa terhadap media pembelajaran film bisu (visual gerak) yang telah dikembangkan. Metode yang dilakukan dalam penelitian yaitu menggunakan metode model 4D yang dikembangkan oleh S. Thiagarajan, Dorothy S. Semmel, dan Melvyn I. Penelitian ini dilakukan karena ada beberapa hambatan di kelas IV B SDN Cibeureum selama proses pembelajaran yaitu kurangnya minat siswa dalam mengikuti mata pelajaran IPS serta kurangnya variasi media yang digunakan oleh guru saat kegiatan belajar mengajar berlangsung. Teknik dan instrumen pengumpulan data pada penelitian ini menggunakan teknik tes yaitu tes awal dan tes akhir, serta menggunakan angket yang ditujukan kepada beberapa ahli, sedangkan teknik analisis data pada penelitian ini menggunakan statistika deskriptif yaitu dengan cara mendeskripsikan atau menggambarkan data yang telah terkumpul. Berdasarkan penelitian yang telah dilakukan di kelas IV SDN Cibeureum, bahwa dapat diketahui hasilnya yaitu mengalami kenaikan dalam hasil tes yang berbeda-beda, karena dapat di lihat dari diagram hasil uji tes awal dan tes akhir siswa mendapatkan nilai yang lebih bagus dengan rata-rata nilai pada tes akhir yaitu 8,2 sedangkan nilai rata-rata siswa pada tes awal yaitu 7,5.