The purpose of this research is to improve the social skills of children B1 class in TK Labor Fkip Unri Tampan district Pekanbaru city through cooperative learning model of jigsaw. This research is a classroom action research that uses 2 cycles. The population and sample in this study were all children in class B1 in TK Labor Fkip Unri Tampan district Pekanbaru city with the number of children …