Pengembangan Perangkat Pembelajaran Matematika Dengan Model Guide Discovery Learning Pada Materi Segiempat Kelas VII SMP N 1 Siak Hulu

This study aims to produce a mathematical learning tools in the form of Learning Implementation Plans (RPP) and Student Worksheets (LKPD) with the Guided Discovery Learning model in Junior High Schools whose validity has been tested. The type of research used is development research using an R & D model which has the following 5 stages: (1) potential and problems; (2) data collection; (3) product design; (4) design validity; (5) design revision. The research data collection instrument are in the form of RPP and LKPD validation sheets which are validated by 2 lecturers of Mathematics education FKIP UIR and 1 Mathematics study teacher. The research data collection technique is the technique of filling out the validity sheet. Validation of RPP and LKPD that have been developed. The results of the study obtained that the validity of the RPP was 89,58% and the LKPD wa 88,89% with a very valid category