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T his research aims to: (1). Knowing the effectiveness of the learning model problem solving toward of student’s mathematics communication abilities , (2). Knowing the effectiveness of the learning model problem posing toward of student’s mathematics communication abilities , (3). Knowing the difference between the effectivenees of the learning model problem solving and problem posing toward of student’s mathematics communication abilities . The experiment was using quasi-experiment methode. Population in this research were students of class 7 th SMPN 4 7 Batam, a sampling technique that uses purposive sampling. Instrument in this research a essay test. The results show that: (1). The learning model problem solving not effectively toward of student’s mathematics communication abilities , (2). The learning model problem posing effectively toward of student’s mathematics communication abilities , (3). There is no difference in effectiveness between the learning model of problem solving and problem posing toward of student’s mathematics communication abilities . Keywords: problem solving learning model , problem posing learning model , an d mathematics communication abilities

EFEKTIVITAS PROBLEM SOLVING DAN PROBLEM POSING TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA KELAS VII SMPN 47 BATAM