Development of STEM-Based Learning Devices on Pythagorean Theorem Materials

This study aimed to develop STEM-based Mathematics learning devices equipped with worksheets. Devices developed based on STEM can make it easier for students follow the process of subject that are clear instructions in working all materials and assignments will be accepted by students. From results data analysis testing 30 class VIII at SMP Negeri 1 Torjun, Sampang Regency, was found this research resulted product feasible used subject. In detail, conclusion explains design expert test, material peer trials respond products were carried out 5 students, continued limited group large trials, always showed an increase after a small revision made which total percentage 85.3% being obtained from aspects, so socialized disseminated teachers as basis development Pythagorean Theorem Class Regency.