%L UNY1371 %X The aim of this research is to find how can students improve their communication ability in mathematics classroom using PMRI approach. This descriptive research was conducted at second grade of SDN 117 Palembang. Subject of this research is 36 students. Data were collected using observation, and documentation technique. Based on some evidences, from six groups can be seen that they able to solved problems, communicate, discuss in their groups, and make a presentation. Key words: PMRI, Mathematics Comunication %A Putri Ratu Ilma Indra %J PROCEEDINGS International Seminar and the Fourth National Conference on Mathematics Education %D 2011 %I Department of Mathematics Education, Yogyakarta State University %T Improving Mathematics Comunication Ability Of Students In Grade 2 Through PMRI Approach