This research uses a quantitative approach. This study aims to determine the increase in problem-solving skills using the Problem-Based Learning Model, which is better than what is taught through conventional learning assisted by Video Learning in Elementary Schools. The type of research used in this research is experimental. Data collection techniques in this study were carried out through tests, namely pre-tests and post-tests, in the form of problem-solving ability tests and observations of the learning. The pre-test was carried out before the learning took place, and the post-test was carried out after the learning took place on both experimental and control groups. This instrument consists of test questions to measure students' problem-solving abilities. Data were analyzed by comparing student scores obtained from student results before and after being treated with conventional learning. The study results concluded that the obtained t-table value could be written as follows; t-table with a significance level of 5% = 1.303 < t-count = 2.076 for t-count or ha is accepted and ho is rejected. This video-based PBL model is suitable for learning mathematics in elementary schools.
<p align="center">Abstrak</p><p> </p><p>Bireuen Regency needs various supports from various parties both material and moral. During the learning that took place at SD Negeri 6 Kuta Blang, the teacher was less willing to observed by other teachers. Teachers are also not ready to accept criticism from others so that the attitude to be together with others (a way of life that is related) was still not implemented in the education system. The relationship between teachers in schools and even in classrooms had not yet materialized. The learning atmosphere that was runned in the class was still less able to compete with other students, besides that there was still needed to improve the quality of educators in learning. The learning model applied by the teacher did not fully support collaborative learning. Meanwhile, there are some teachers who have implemented small groups but the purpose of learning using collaborative has not been successful. This was because lack of the teacher ability in collaborative learning. In addition, not all the teachers got the chance to attend the training related to increase the learning. Disruption of information creates a sense of injustice and trust towards fellow teachers. Circumstances like this were also increasingly creating disharmony and are not mutually related to both fellow teachers and even the principal. These things were an educational phenomenon that was happening right now in the learning process at Elementary School 6 Kuta Blang. By presenting school reforms that are based on lesson studies have produced significant results both from the learning process that involves collaborative learning that was student-centered and collegiality at school that can form a learning community based on listening to pedagogy.</p><p><strong>Keywords</strong>: School reform, lesson study, learning community</p><p align="center"><sup> </sup></p><p align="center"><strong>Abstrak</strong></p><p align="center"><strong> </strong></p><p>Kabupaten Bireuen membutuhkan berbagai dukungan dari berbagai pihak baik itu secara moril maupun materiil. Selama ini pembelajaran yang terjadi di SD Negeri 6 Kuta Blang, kurangnya keterbukaan guru untuk bersedia membuka kelas kepada sesama guru yang lain sehingga tidak terciptanya kolegalitas sesama para pendidik. Para guru juga belum siap untuk menerima kritikan dari orang lain sehingga sikap untuk bisa bersama-sama dengan orang lain (<em>a way of assosiated living)</em> masih belum dijalankan dalam sistem pendidikan. Hubungan untuk saling mendengarkan antar sesama guru di sekolah bahkan di ruang kelas belum terwujud. Suasana pembelajaran yang dijalankan pada saat ini para peserta didik masih kurang mampu bersaing dengan siswa lain, selain itu masih diperlukan peningkatan mutu pendidik dalam pembelajaran. Model pembelajaran yang diterapkan oleh guru belum sepenuhnya secara collaborative learning walaupun ada sebagian guru sudah menerapkan dalam kelompok-kelompok kecil tetapi tujuan dari pembelajaran yang bersifat kolaboratif belum tercapai. Hal ini dikarenakan kurangnya pengetahuan guru terhadap pembelajaran yang bersifat <em>collaborative learning</em>. Selain itu, tidak meratanya para guru untuk mengikuti berbagai pelatihan pembelajaran dan ada sebagian guru yang sudah mengikuti pelatihan tidak mensosialisasikan kembali kepada guru-guru yang lain. Terputusnya informasi terciptanya rasa ketidakadilan dan kepercayaan terhadap sesama guru. Keadaan seperti ini juga semakin terciptanya ketidakharmonisan dan tidak saling menghargai baik sesama guru bahkan kepada kepada kepala sekolah. Hal-hal ini merupakan fenoma pendidikan yang terjadi saat ini dalam proses pembelajaran di Sekolah Dasar Negeri 6 Kuta Blang. Dengan adanya reformasi sekolah yang berbasis <em>lesson study</em> telah menunjukkan hasil yang siknifikan baik dari proses pembelajaran yang bersifat <em>collaborative learning</em> yang berpusat pada peserta didik maupun kolegalitas disekolah yang dapat membentuk <em>learning community </em>berdasarkan <em>listening pedagogy</em>.</p><strong>Kata kunci</strong>: Reformasi Sekolah, Lesson Study, Learning Community
Students' abilities to solve mathematical problems are still limited, and they are not yet familiar with the topics being covered. The purpose of this study is to characterize students' abilities to resolve mathematical problems, particularly those involving geometry, according to the Polya progression. Research plan utilizing a qualitative approach with 40 students from Grade V at the State Primary School in Bireuen, Indonesia.Problem solving is seen as the crowning achievement of mathematics education since it focuses on developing students' reasoning and problem-solving skills in addition to their conceptual understanding. Students can apply their newfound knowledge and problem-solving skills in their day-to-day lives. The problem-solving process consists of four steps: identifying the issue, formulating a plan to address it, implementing that plan, and conducting follow-up evaluation. Therefore, the ability to create non-routine assignments and the creativity to transform routine text-book assignments into non-routine ones, as well as the ability to develop problem-solving instructional materials for use by students during instruction, are both necessary.
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