<![CDATA[The problems faced in learning mathematics at SD Negeri Ngadirejo 4 are that students feel bored in learning, low interest in learning and low activity which results in low collaboration skills of students. Based on these problems, this research aims to improve students' collaboration skills, through the Teams Games Tournament learning model with the help of puzzle media. With stages: presentation of classes, teams, games, competitions and group awards. Classroom Action Research was carried out in two cycles, through the stages of observation, documentation and instrument testing. Collaboration instruments that will be improved include being able to contribute actively, work productively, show an attitude of responsibility, show flexibility and compromise and show an attitude of mutual respect. From the results of this research, it is proven that there is an increase with pre-action data, a value of 56.2% was obtained, an increase in cycle I with a score of 71% and an even greater increase in cycle II with a score of 79.6%. Thus, these results show that applying the Teams Games Tournament learning model assisted by puzzle media in the learning process can improve students' collaboration skills.]]>
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