Pengembangan Perangkat Pembelajaran Matematika Melalui Strategi Ttw Dalam Pem…

This study aims to produce mathematic learning device in the form of lesson plan and student worksheet using TTW strategy in cooperative learning on the subject of SET for VII grade students. The study model used is 4-D that consist of define, design, develop, and desseminate. The research instrument used is validity device and practicality device. The validity device is a validation sheet to …