Analisis Keterampilan Berpikir Kritis Siswa pada Materi Limit Fungsi Aljabar di Kelas X SMA

This research aims to determine the critical thinking skills of grade X in senior high school student's on the Algebra Function Limit matter. The method used is descriptive research method, with the research form is case study research. The research of subject is grade X in SMA Negeri 2 Pontianak, with the sample of research is grade X in MIA 1, that have choosed randomly. Data collection tool used is a test and interview. Based on the analysis of data, obtained results of the research are the average percentage of critical thinking skills of 37 students is 55.53% and entered the low criteria. The average percentage highest of critical thinking skills are the medium criteria amounting to 10 students, with an average percentage is 68.72%