![]() ![]() The results of educator responses 3.21 with interesting criteria, response to small-scale trials of 3.4 with very interesting responses and field trials of 3.8 with very interesting responses. The results of the validation test conducted by the validator are 3.24 the criteria are quite valid. Data analysis techniques in this study were used to calculate the validity of the validators, the response of educators and students, and the effectiveness of mathematics teaching materials. ![]() The approach model used in this study is ADDIE. This type of research is research and development or better known as Research and Development (R&D). This study aims to develop, determine the response and effectiveness of problem-based mathematical modules on vector material. From the results of the research and data analysis conducted by researchers, it was found that the student activity sheets developed had met the criteria for good learning tools because they were declared valid, practical and effective. At the development stage The design results are validated by the expert and then revised according to the expert's notes. At the design stage The preparation of student activity sheets based on local culture is carried out, selecting the format and then doing the initial design. ![]() At the definition stage conducted a preliminary analysis, student analysis, material analysis, task analysis and specification of learning objectives. Student activity sheets are developed based on a modified 4-D development model, which consists of defining, designing, and developing. The product developed in this research is a student activity sheet based on local culture on Simple Trigonometric Function Graphics. This research type is research and development. ![]() Therefore, this research aims to describes the process and results of developing student activity sheets based on local culture on Simple Trigonometric Function Graphs. Mathematics and culture are two different things, but they have a very close relationship in everyday life included in learning activities. ![]()
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