Pengaruh Strategi Relating Experiencing Apllying Cooperating Transferring Terhadap Kemampuan Komunikasi Matematis Siswa

This experimental research aimed to find out the influence strategy of REACT towards student's mathematical communication skill. The population of this research was all grade seven students of Junior High School state of Satu Atap Tanjung Bintang in academic year of 2017/2018 which were distributed into four classes. The samples of this research were students of VII A and VII B class which were chosen by cluster random sampling. The design of this research was pretest-posttest control group design. The research data were obtained by the test of mathematical communication skill. The data analysis of this research used Mann Whitney U test. Based on the research, it was concluded that strategy of REACT influenced student's mathematical communication skill. Penelitian ini bertujuan untuk mengetahui penga-ruh strategi pembelajaran REACT terhadap kemampuan komunikasi matematis siswa. Populasi penelitian ini adalah seluruh siswa kelas VII SMP Negeri Satu Atap tahun pelajaran 2017/2018 yang terdistribusi dalam 4 kelas. Sampel dari penelitian adalah seluruh siswa kelas VII A dan VII B yang dipilih melalui teknik cluster random sampling. Penelitian ini menggunakan pretest-posttest control group design. Data penelitian diperoleh melalui tes ke-mampuan komunikasi matematis siswa. Analisis data penelitian ini menggunakan uji Mann-Whitney U. Hasil analisis data menunjukkan bahwa strategi pembelajaran REACT berpe-ngaruh terhadap kemampuan komunikasi matematis siswa. Kata Kunci: komunikasi matematis, pengaruh, strategi relating experiencing apllying cooperating transferring