Pengembangan Buku Pintar Geometri untuk Peserta Didik SMP Berbasis Konstruktivisme

Abstract

The research was carried out with the aim of producing a Geometry Smart Book for triangular and quadrilateral material for junior high school students based on constructivism that was valid, effective and practical. This media development process uses a 4D development model. This model was developed by S. Thiagarajan, Dorothy S. Semmel, and Melvyn I. Semmel. The 4d development model consists of 4 main stages, namely: Define, Design, Develop, and Disseminate. The validity of this product can be seen from the results of the validation of material experts and media experts, the effectiveness of the product can be seen from the average test results of students at least reaching good criteria, while the practicality of the product can be seen from the results of limited trials obtained an average percentage of 3.58 with very good criteria. good.