<![CDATA[This study aims to determine the effect of the Realistic Mathematics Education (RME) approach assisted by Augmented Reality (AR) on improving the numeracy skills of students regarding the topic of the area of 2D shapes. The study employs a quantitative approach using a pre-experimental design, specifically the One-Group Pretest-Posttest Design. The population and sample consisted of 27 fifth-grade students, selected using a non-probability sampling technique known as saturated sampling. Data collection was conducted through numeracy skill tests and student response questionnaires. Data analysis included normality testing, a paired sample t-test, and N-Gain analysis. The results indicate that the data were normally distributed. The paired sample t-test yielded a t-count value of 26.724, which is greater than the t-table value of 2.056, with a significance level of 0.000 (< 0.05); thus, the null hypothesis (H₀) was rejected and the alternative hypothesis (Hₐ) was accepted. The N-Gain test resulted in a score of 0.6070 (or 60.70%), falling into the medium category, which indicates an improvement in numeracy skills following the implementation of AR-assisted RME. Student responses also showed an average percentage of 77%, placing them in the "very strong" category. The novelty of this research lies in the integration of the RME approach with AR media for teaching the area of 2D shapes in an elementary school setting.]]>
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