The aim of this research is to know the effectiveness of remediation using cooperative learning model type Jigsaw assisted by booklet to decrease students misconception and increasing solve problems skill in Newtons Law class VIII SMPN 3 Segedong. The research method used Pre-Eksperimental Design with One Group Pre-test Post-test Design. The number of research sample is 20 students. Mc Nemar test shows that students misconception has changed significantly after remediation. Positive change on students in increasing solve problems showed by different score on pretest and posttest. The level of effectiveness cooperative learning model type Jigsaw assisted by booklet to decrease students misconception is high and for increasing solve problems skill is medium. This research is expected to be used as an alternative remediation activities to decrease students misconception in understanding Newtons Law