This research aims to determine the effect of the scramble cooperative learning model on the vocabulary mastery learning achievements of class XI students at SMA Negeri 2 Teluk Kuantan. The population in this study were all class XI students of SMA Negeri 2 Teluk Kuantan with a sample of 23 students. Class XI-1 students are taught using the scramble cooperative learning model. This type of rese…