<![CDATA[Elementary mathematics learning needs to provide engaging and concrete learning experiences that allow students to participate directly in the learning process. One effort that can be implemented is the use of DIGI-JURANG as interactive learning media to support students in understanding subtraction of whole numbers up to 1,000. This study aimed to examine the improvement of cognitive learning outcomes of third-grade students after using DIGI-JURANG. The study employed a quantitative approach with a pre-experimental one-group pretest-posttest design. The participants were 29 third-grade students of SD Negeri 07 Bengkulu City in the first semester of the 2026/2027 academic year. Data were collected through pretest and posttest scores and supporting learning process data. The data were analyzed descriptively using mean scores, score changes, the percentage of students who improved, and N-Gain. The results showed that the mean score increased from 46.55 on the pretest to 67.93 on the posttest, with an average increase of 21.38 points. Twenty-five students (86.21%) improved, two students (6.90%) decreased, and two students (6.90%) obtained the same score. The average N-Gain was 0.4498 or 44.98%, which was categorized as moderate. These findings indicate that the use of DIGI-JURANG was sufficiently effective in supporting students' understanding and cognitive learning outcomes.]]>
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