Visualizing Ellipse and Hyperbola: The Study of a Manipulative’s Effectiveness

This research aims to describe students' abilities and attitudes in explaining the concepts of ellipses and hyperbolas using teaching aids. This research model is quasi-experimental with a pre-test and post-test control group design. This research included 32 students in the control group and 32 students in the experimental group. The research instruments are written tests, questionnaires, and observation sheets. The results of the data analysis revealed that the increase in students' understanding in groups that used manipulatives was higher than in groups that did not use manipulatives. Students can use manipulatives well, and students' attitudes towards learning using teaching aids are positive. This happens because manipulatives can help students understand concepts so that learning can run effectively. Therefore, this manipulative can be used in subsequent lessons and can be designed as a manipulative on other topics.