Pengembangan Perangkat Pembelajaran Matematika Berbasis Model Discovery Lear…

This research to produce a product in the form mathematical learning devices using discovery learning model on polyhedron material of class VIII SMP/MTs. The development model used is the 4-D model namely define, design, develop, and disseminate. The research instrument used is validity instrument and practicality. The instrument is a validation assessment sheet to assess the validity of l…