Pengembangan Buku Panduan Geogebra untuk Guru SMP Pada Materi Bangun Ruang di Masa Pandemi COVID-19

Abstract

This research aims to (1) describe process to developing a teachers' guidebook what using GeoGebra software on solid figure materials during the Covid-19 pandemic; (2) Knowing the results of developing teacher manuals using GeoGebra software on solid figure materials during the Covid-19 pandemic. The research of method used is research and development. The development model uses 4-D which included stages, namely defining, designing, developing, and distributing. The research subjects consisted of 4 mathematics teachers at SMP Negeri 1 Prajekan. The research instrument consisted of validation sheets, new interviews, and teacher activity observation sheets. The data analysis method was carried out through the validity test, practicality test, and effectiveness test. The results of the development of the teacher's manual in this study were the validity test showing that the product was valid with a very high category, the product practicality test also showed that the product could be said to be practical in a good category, and the product effectiveness test showed a good category so that the product was also effective. In conclusion, the product of the GeoGebra software guidebook on solid figure materials can be used by teachers to be able to assist and support teaching activities in schools, especially during the Covid-19 pandemic