PENGARUH MODEL PEMBELAJARAN KONTEKSTUAL TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SEKOLAH DASAR

This research is motivated by the low mathematical communication ability of students in expressing ideas and relating knowledge have to real situations. study aims determine contextual learning model influences students' better than direct model. a quasi-experimental research. The population this were all fourth grade at SDN 050660 Kwala Bingai, Stabat, which consisted three parallel classes with total 89 students. sampling system used was cluster random IVA IVB being sampled. Class as control class 30 experimental 27 Data analysis performed two-way variance (ANOVA). results showed that had effect on abilities compared shows provides good change developing ability.