<![CDATA[This study aims to determine the effectiveness of using the Wordwall game-based educational media in improving elementary school students' logical mathematical thinking skills on set theory material. The research used a pre-experimental method with a One-Group Pretest-Posttest Design. The research subjects were 31 elementary school students. Data were collected through tests, observation, and documentation. Data were analyzed using descriptive statistics and the nonparametric Wilcoxon Signed Rank Test because the data were not normally distributed according to the Shapiro-Wilk test results. The results showed that the use of context-based Wordwall media was effective in improving students' logical mathematical thinking skills. This is evidenced by an Asymp. Sig. (2-tailed) value of 0.000 < 0.05, indicating a significant difference between the pretest and posttest results. A total of 27 students showed an increase in scores, 1 student showed a decrease, and 3 students' scores remained the same. Learning through Wordwall was able to create an active, interactive, and enjoyable learning atmosphere, helping students understand set theory concepts more concretely. Thus, context-based Wordwall media can be an innovative alternative in elementary mathematics learning to develop students' logical mathematical thinking skills.]]>
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