This study aims to obtain a description of the application of Realistic Mathematic Education (RME) that can improve students' mathematical communication ability. The type of research used is a classroom action research that refers to the design of Kemmis and Mc.Taggart research they are planning, action, observation, and reflection. The results showed that Implementation of mathematics learning with Realistic Mathematics Education (RME) approach that can improve mathematical communication ability is a mathematics learning that has been done in accordance with RME characteristics, That is: use of real context (teacher presents a contextual problem and ask the student to understand the given problem). use of mathematical models (the students modeling by using props to solve problem), use of student production and construction in learning (the teacher gives opportunity to all students to solve the problem, and invite students to deliver the answer), existence of interaction (interaction occurs between teacher and students, and between student one with another), and the existence of integration (combines one unit of mathematics with other units also have integrated with other scientific fields).This is an open access article under the CC-BY-SA license.
This research aims to determine the misconceptions of students of SMPN 1 Negeri Besar with high initial ability, moderate and low in solving the problem SPLDV based on critical thinking process. The research was a qualitative research. The subjects of the research were taken by using purposive sampling. The method used is test method and interview method equipped with CRI (Certainty of Response Index). The result of the research is that students with high initial ability do not experience misconception at every stage of critical thinking process, students with initial ability is experiencing misconception at analytical stage that is the concept of negative integer operation on both sides, whereas students with low initial ability have misconception at analysis stage and alternative settlement stage.
Kegiatan pengabdian kepada masyarakat ini dilatarbelakangi oleh bebera hal. Pertama. banyaknya siswa yang menggunakan gaya bahasa sarkasme di sosial media. baik dengan anggota kelompoknya atau pun dengan pengguna sosial media lainnya. Kedua. ketidaksantunan siswa dalam berkomunikasi di lingkungan sekolah. baik dengan teman sejawat. senior kelas. maupun guru. Ketiga. siswa mulai kesulitan membedakan penempatan penggunaan bahasa. bahasa mana yang dapat dipakai dalam situasi formal maupun tidak formal. Keempat. banyak di antara siswa yang tidak mampu menyaring informasi dengan baik. sehingga beberapa di antaranya menyebarkan informasi bohong (hoax). Metode yang digunakan dalam pengabdian kepada masyarakat ini ialah metode ceramah. pelatihan. dialogis. Sasaran dalam pelatihan ini adalah siswa sekolah menengah atas se-Kecamatan Gandapura Kabupaten Bireuen. Manfaat dari pelatihan ini ialah meningkatkan kepekaan siswa dalam menggunakan bahasa di sosial media. Siswa akan menjadi lebih bijak dalam membaca. menyaring dan menyebarkan informasi.
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