The title of the study is "Improvement Process Skills Students Approach Contextual Teaching and Learning (CTL) In Class V Mathematics Learning Elementary School District 07 Siantan Pontianak '. The purpose of this research is to improve the skills of the students' approach to learning Mathematics CTL particular sum of positive integers by negative integers. The research sample consisted of Class V students numbering 25 people. This research studies the form of 3 cycles. From the results of this study concluded that an increase in the learning outcomes of Pratindakan by 56.8%, amounting to 66.2% of Cycle I, Cycle II Cycle III 81% and amounted to 93.8%.