Pengembangan E-LKPD Pada Materi Pencerminan Dengan Menggunakan Metode Penemuan Berbantuan GeoGebra

This research aims to develop E-LKPD learning media on Reflective Material using the GeoGebra Assisted Discovery Method. Electronic LKPD (E-LKPD) or digital LKPD is digital learning media as an exercise to develop cognitive aspects in students through the development of learning media.The development model used in this research and development is the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) development model. This research used a population of class XI MA Al-Islam Joresan Mlarak students consisting of 24 students. The data collection techniques in this research were questionnaires and tests, while the instruments used to collect data included material and media validation questionnaires, teacher response questionnaires, student response questionnaires, and test questions. Data analysis techniques were used to see the feasibility, practicality and effectiveness of learning media.The results of validation to determine the feasibility of learning media are 95.00% with the very feasible category. The results of the teacher response questionnaire analysis were 92.00% (very practical category), and for the student questionnaire analysis data it was 82.06% (practical category). Meanwhile, the results of the test questions obtained a percentage of 87.50% in the effective category. From the results of these data, it can be concluded that the E-LKPD learning media on Reflection material using the GeoGebra assisted discovery method is suitable for use and students agree that this learning media is used as a medium to support the teaching and learning process.