<![CDATA[This study aims to describe changes in the learning outcomes of fifth-grade students regarding the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) after instruction using the KALIPAT learning aid (Cards and Tracks for Factors and Multiples) based on the local wisdom of the congklak game alongside interactive PowerPoint presentations and student worksheets. This quantitative study employed a one-group pretest-posttest design involving 14 fifth-grade students from SDN 066052. The assessment consisted of 20 Higher-Order Thinking Skills (HOTS) questions, with a score of 5 awarded for each correct answer. Data were analyzed using descriptive statistics and N-Gain scores. The average score rose from 32.50 on the pretest to 67.50 on the posttest, representing an increase of 35.00 points. The mean N-Gain was 0.52, falling into the "medium" category; specifically, 3 students scored in the high category, 10 in the medium category, and 1 in the low category. All students showed score improvements. Due to the absence of a control group and the small sample size, these results cannot be used to infer a cause-and-effect relationship or be generalized.]]>
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