Indonesia Conference Directory

Trigonometry is one of the materials learned in the high school curriculum.. This study aims to develop valid and practicality development of students worksheet guided discovery trigonometry materials at the tenth grade of the school in the city of Padang. This research is a development research with ADDIE model which consists of five stages, namely Analysis, Design, Development, Implementation, and Evaluation. The subjects of this research were six students at the tenth grade (15-16 year olds). The instruments used in this research were student needs analysis, curriculum analysis, validation sheet and praticality questionnaires sheets. The results showed that students worksheet guided discovery trigonometry materials was very valid and very practical. Based on the results of the research, we recommend continuing the guided students worksheet guided discovery on trigonometry material for class tenth grade to see effectiveness.