Promoting the activeness of students is one of the important goals that education is setting. To achieve that goal, it is necessary to innovate teaching methods, teachers create opportunities for learners to freely explore and discover the wonders around. Teaching through discovery is one of the active teaching methods that encourages children to learn on their own based on past knowledge and experiences, using imagination and creativity, combining searching for new information to find new information. find out the truth and the relationship between them through discovery activities, thereby training a positive personality for yourself. The article mentions the application of discovery teaching method in teaching algebra 8 for junior high school students.