Peningkatan Aktivitas Peserta Didik dalam Pembelajaran Matematika Menggunakan Media Kantong Bilangan di SD

The purpose of this research is to increase physicaly activity, mentaly activity, and students emotinaly activity. The method of this research is descriptive method with institutional survey form. Researches set and subject do in research subject class is teacher and 17 students with 8 boys and 9 girls composition. The scycle consists of plan, implementation, direct observation and reflection. The result of research is : 1. Initial observations of phisicaly activity is 27%, on 3rd cycle become 90%, increase 63%, “High Category”. 2. Initial observations of mentaly activity is 19%, on 3rd cycle become 82%, increase 63%, “High Category”. 3. Initial observations of emotionaly activity is 13%, on 3rd cycle become 89%, increase 76%, “High Category”. Mathematic learning using a number of media bag make positive impact and meaningful for students