Development of Students Worksheets Based on Discovery Learning in Thematic Learning for 4th Grader Elementary School

This study aims to develop teaching materials in the form of students worksheet based on discovery learning in thematic learning of fourth grader elementary school. The type of research used is research and development (R & D) that refers to the theory of Borg & Gall. The population of this study is all fourth grade elementary school students in Langkapura sub-district. Sample were taken by using random sampling technique as many as 56 students of SD Negeri 2 Langkapura. Data were collected through questionnaires and test questions. Questionnaire is used to measure the feasibility of students worksheets and test questions to measure the improvement of student learning outcomes. The results showed that students worksheet based on discovery learning were developed feasible and effective for learning. This is proved from the results of the acquisition of questionnaires by experts and teachers who stated that the development products are feasible based on didactic, construction and technical requirements. As well as the results of the calculation of effectiveness tests that obtain an average gain value of 0.365 which proves that students worksheet based on discovery learning are effective in improving student learning outcomes. Keywords: Student worksheets, Discovery learning, Learning outcome