<![CDATA[Ideal learning requires active student involvement and the use of models and media that optimally support understanding. However, in third-grade science lessons on traditional subjects, student understanding remains low due to a lack of interactive learning and the lack of engaging media. Consequently, many students fail to achieve the Minimum Completion Criteria (KKM). This study aims to improve student understanding through the implementation of the Teams Games Tournament (TGT) cooperative learning model, supported by the snakes and ladders game. This is a classroom action research study conducted in two cycles with 20 students as subjects. Each cycle included planning, implementation, observation, and reflection. The results showed a significant increase in student understanding. In the first cycle, the majority of students were in the poor (11 students) and adequate (9 students) categories, with only two students achieving the good and excellent categories. In the second cycle, the number of students in the poor and adequate categories decreased to two each. Meanwhile, the number of students in the good category increased to nine students and the number in the excellent category to seven students. Thus, the implementation of the Teams Games Tournament (TGT) cooperative learning model, supported by the snakes and ladders game, is effective in improving student understanding.]]>
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