The purpose of this study was to examine the effect of the cooperative model type Think Pair Share on learning achievement in terms of motivation to learn civics fourth grade student group 1 Selong. This study is a design experiment with Post-Test Only Control Group Design with a 2x2 factorial. Sample as many as 88 student selected by random sampling technique. Data collection using questionnaires motivation and achievement tests Civics. Data were analyzed using analysis of variance two lanes. The results showed that: (1) there are differences in learning outcomes Civics students who learned with cooperative learning model type Think Pair Share with conventional models (FAcount=9.119>Ftable=3,96). (2) the effect of the interaction model of learning and motivation to learn civics student achievement (FAXBcount=68.252>Ftable=3,96). (3) student learning outcomes that have a high motivation to learn and be taught to think pair share the model is better than the conventional models (Qcount=12.22>Qtable=2,94). (4) student learning outcomes that have a low learning motivation and learned with the conventional model is better than the cooperative model Think Pair Share (Qcount = 4.90>Qtable=2.94)