Media kartu kosa kata dan Pembelajaran bahasa. Media pembelajaran memegang peranan penting dalam proses belajar mengajar di kelas. Proses pembelajaran itu tidak lepas dari penggunaan media digunakan oleh guru secara kontiunitas dan komprehensif tentunya akan menunjang profesionalisme guru, terkhusus guru bahasa. Dibutuhkan keterampilan seorang guru bahasa dalam menggunakan media kartu kosa kata agar pembelajaran yang menarik, inovatif dan menyenangkan. Dibutuhkan kesadaran guru senantiasa dan akrab dengan media pembelajaran. Dengan terampil menggunakan media pembelajaran  kartu kosa kata dalam proses belajar mengajar merupakan salah satu menunjang profesionalisme guru bahasa terkhusus di tingkat usia dini dan sekolah dasar. Jika dipahami dengan baik, sesungguhnya media kartu kosa kata menjadi jawaban bagi guru bahasa untuk meningkatkan kemampuan berbahasa anak, baik membaca, menulis, mendengarkan dan berbicara, selain keterbacaan ukurannya yang besar membuat media ini akan sangat membantu proses kegiatan belajar mengajar yang bermakna dan menyenangkan

Penelitian ini berupa Penelitian Tindakan Kelas dengan materi menulis puisi pada siswa kelas V UPTD SD Negeri 122371 Pematang Siantar. Tujuannya untuk meningkatkan proses belajar mengajar di kelas agar mendapat hasil yang lebih baik dari sebelumnya. Metode yang digunakan yakni action research dari penggunaan media diorama. Alat pengumpul data yang digunakan yakni lembar observasi guru dan siswa serta tes menulis puisi. Hasil temuan membuktikan bahwa kemampuan menulis puisi yang diperoleh pada siklus I bahwa 65 sedangkan pada siklus II meningkat menjadi 80. Dari lembar aktivitas guru dan siswa juga mengalami peningkatan. Pada siklus I aktivitas guru sebesar 33 (cukup) dan mengalami peningkatan pada siklus II sebesar 42,75 (baik). Lembar observasi siswa pada siklus I adalah sebesar 34,5 (cukup) sedangkan pada siklus II sebesar 41,75 (baik) mengalami peningkatan dari siklus I ke siklus II secara keseluruhan pada siklus II dan berada pada kategori baik. Atas dasar hipotesis tindakan maka dapat disimpulkan bahwa adanya peningkatan kemampuan menulis puisi melalui penggunaan media diorama pada siswa kelas V UPTD SD Negeri 122371 Pematang Siantar.

To leadership to the principal of the school plays an important role in improve the competence of teachers in their schools. Efforts to increase this are carried out by making policies that are translated into programs to increase teacher competency. This study aims to describe; (1) Principal Management in Improving Teacher Competence; (2) Principal Management Success in Increasing Teacher Competence; (3) Supporting factors, inhibiting factors and solutions for Principal Management in Improving Teacher Competence at SD N Medan City, North Sumatra. This research is in the form of qualitative research, the data collection method used is observation, interviews, and documentation. The research results show that Principal management in improving teacher competence, namely : (1) Involving teachers in training, training and seminars, (2) Implementation of supervision (3) Prioritizing discipline, (4) Motivating teachers. Application of leadership management school principals in improving teacher competence greatly affect the competence of teachers in SD N Medan City, North Sumatra, namely that the teachers have started apply the basic competency standards regulated by the government as well as possible. In implementing the program there will be supporting factors, inhibiting factors and leadership management solutions principal in improving teacher competence in Elementary School Medan City, North Sumatra.

The research carried out is a classroom action research (PTK) using the Role Playing method in social studies subjects. This study aims to determine the increase in learning outcomes using the Role Playing method in the Social Studies Subject of Class V SD Negeri 040448 Kabanjahe for the 2019/2020 academic year. The location of this research is SD Negeri 040448 Kabanjahe. The subjects of this study were all students of grade V SD Negeri 040448 Kabanjahe, totaling 30 students and the object of this study was the use of the Role Playing method to improve student learning outcomes on the subject of services and roles of warrior figures in preparing for Indonesian independence. The instruments used were student observation and multiple choice tests.The results of the research in cycle I were obtained, namely 18 students who completed (60%), 12 students who did not complete (40%), and an average score of 62.6 had not reached the KKM score of 70. Cycle II action with student results 26 students (86.67%) completed, 4 students who did not complete (13.33%), and an average score of 78.66 can be said to be classically complete because it has reached ≥85%.Based on the results of data analysis, it is concluded that using the Role Playing method can improve student learning outcomes in the social studies subject on the subject of services and the role of warrior figures in preparing for Indonesian independence in class V SD Negeri 040448 Kabanjahe for the 2019/2020 academic year with an increase of 25.5%.

The research objective was to determine the description of student learning discipline, the description of student learning achievement, and the significant influence of learning discipline on the learning achievement of third grade students SD Negeri 040528  Sukadame in the 2020/2021 learning year. This type of research is a quantitative study with a population of third grade students SD Negeri 040528 Sukadame  and the sampling used was total sampling with a total of 17 students. The method used is descriptive analysis, using the t test formula. The average score of students is 78. The description of student learning achievement based on the average score of the semester report cards is 78, including the good category, and there is a significant influence between Student Discipline on Student Learning Achievement in class III SD Negeri 040528  Sukadame.