Mathematics is a mandatory subject that plays an important role, therefore the lack of adjustment to learning models and supporting media in the learning process can be one of the factors causing low learning outcomes. The purpose of this study was to determine the effect of think pair share supported by wordwall on the mathematics learning outcomes of fifth-grade students at Elementary School. The research was conducted at SDN Batu Ampar 02 Pagi in the second semester of the academic year 2023/2024. The research method used was quantitative research with a quasi-experimental design. The sampling system used non-random sampling of 30 students in the experimental class and 30 students in the control class. The instrument used was an essay test that had been validated and tested for reliability. In data analysis, tests for analysis requirements were conducted through tests of normality (Kolmogorov-Smirnov) and homogeneity, while hypothesis testing used independent sample t-test with SPSS version 29.0.0.0. Based on the analysis, it was found that the average learning outcomes of the experimental class using think pair share supported by wordwall were 79.75, which was significantly better than the average learning outcomes of the control class students using conventional learning, which scored 70.25. The t-test result obtained a sig value (2-tailed) of 0.003 (0.003 < 0.005), hence Ha is accepted and H0 is rejected. Therefore, it can be concluded that in this study, there is an influence of the think pair share supported by wordwall learning model on the mathematics learning outcomes of fifth-grade elementary school students.
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