PENINGKATKAN PARTISIPASI DAN PRESTASI BELAJAR MATEMATIKA DENGAN MODELSNOWBALL THROWING

An effort to increase the students’ partisipation and achievement in learning mathematics through learning model Snowball Throwing of students grade VIII D SMP Negeri 1 Nanggulan in year 2013/ 2014. The purpose from this research is to description learning model Snowball Throwing can to increase students’ participation and achievement in learning mathematics students grade VIII D SMP N 1 Nanggulan in year 2013/2014. The type of this research is a classroom action research. The subject of the research are the students grade VIII D SMP Negeri 1 Nanggulan. It consists of 32 students. The object of this research is students’ partisipation and achievement in learning mathematics through learning model Snowball Throwing. The result of the study shows that after applying this learning model, students’ partisipation and achievement has an increase. Student’ participation has an increase from pre-cycle 40,01% become 54,68% in cycle I and become 76,95% in cycle II. Beside that, the subjection mean of students achievement has an increase. In pre-cycle shows 56,33 with Kriteria Ketuntasan Minimum (KKM) is 15,62% consist of  5 students, in cycle I has an increase become 74,41 with KKM is 62,50% consist of 20 students, whereas in cycle II shows the increse become 85,11 with KKM is 81,25% consist of 26 students.