Teachers Perception on the Development of Mathematics Teaching Materials on Social Arithmetic Based on Guided Inaquiry for Deaf Students of Class X at SLB Budi Mulia

This research aimed to describe teacher's perception on the development of mathematics teaching materials on social arithmetic based on guided inquiry for the deaf students of class x at slb budi mulia. this research was qualitative research. technique of data collection used were in-depth interview and non-participant observation. subject of research was a mathematics teacher in slb budi mulia that has implemented 2013 curriculum. the results showed positive perceptions on mathematics teaching materials on social arithmetic based on guided inquiry in which teaching materials have contained scientific approach learning as well as characteristics of guided inquiry model.