ABSTRACT Yulita Venesia , Efforts to Improve the Ability of Mathematical Reasoning Students Use Learning Model Learning Cycle 7e on Subjects of Basic Presentation of Data and Opportunities in Class X MIA-1 SMA N 9 Jakarta . Skripsi. A Program of Study Math Education , the Faculty of Mathematics and Natural Sciences , State University of Jakarta , 2016 . This study attempts to improve the abil…