THE EFFECT OF CONTENT KNOWLEDGE (CK) AND PEDAGOGICAL CONTENT KNOWLEDGE (PCK) TOWARDS THE PERFORMANCE OF MATH TEACHERS

The purpose of this study was to determine: (1) the effect of mastering Content Knowledge (CK) on the performance of mathematics teachers at SMP Negeri Kecamatan Kuta Selatan. (2) the influence of mastery of Pedagogical Content Knowledge (PCK) on the performance of mathematics teachers at SMP Negeri Kecamatan Kuta Selatan. (3) the effect of mastering Content Knowledge (CK) and Pedagogical Content Knowledge (PCK) on the performance of mathematics teachers in SMP Negeri Kecamatan Kuta Selatan. This type of research is a Mixed Method research, with the research design is explanatory sequential. For sampling done by purposive sampling technique with 4 schools for research sampling. The research instrument used for content knowledge was obtained through tests and for pedagogical content knowledge and teacher performance was obtained through questionnaires, observation sheets and interviews. Quantitative data were analyzed using path analysis while for qualitative data using descriptive analysis. The results show that: (1) there is no significant effect between CK of teachers on teacher performance of -92.2% (2) there is a significant influence between teacher PCK on teacher performance of 166.6% (3) there is a significant influence between CK and PCK teacher to teacher performance obtained Y = -0,922X1 + 1,666X2 + 0,149 the magnitude of the effect of CK and PCK on teacher performance by 85.1%. The results of this study are supported by descriptive analysis, the interview guide shows that teachers who have CK and PCK with a high category because the teacher can apply teaching materials with other teaching materials besides the teacher can convey the material well and make students more comfortable and easier to understand besides that, the teacher can overcome the difficulties of students by presenting learning materials in their entirety and providing contextual examples so that teachers can improve their performance.