The students’ mathematical communication ability taught by cooperative script types at SMP Negeri 3 Kisaran

Mathematical communication ability is important owned by students’ because a lack of mathematical can lead to understanding the concept or problem. Preliminary observation conducted researchers in SMP Negeri 3 Kisaran found that students aren’t able answer. It clearly seen student’s answer sheet low N so related learning process which has been done mathematics teacher. To fix it necessary develop an approach more effective, creative, and fun. On this basis, authors try apply cooperative Control Class type improve ability. This research quasi-experimental with quantitative approach. The conclusion there increase taught script at Kisaran.