This study aims to improve the learning outcomes of fraction operations through the use of fraction board media for fourth-grade students of MI Darus Sakinah Tenggarong Seberang in the 2025/2026 academic year. This study is a Classroom Action Research (CAR) using the Kemmis and McTaggart model consisting of planning, action implementation, observation, and reflection stages. The research subjects were 24 fourth-grade students. Data collection techniques were carried out through tests, observations, and interviews. Data were analyzed using quantitative and qualitative analysis. The results showed that the use of fraction board media can improve student learning outcomes on fraction operations material. In the pre-cycle stage, the average student score was 79.5 with a learning completion percentage of 87.5%. After the action in the first cycle, the average score increased to 82.9 with a completion percentage of 95.8%. In addition to improving learning outcomes, the use of fraction board media also increased student activity, enthusiasm, and participation during the learning process. Fraction board media helps students understand the abstract concept of fraction operations to be more concrete and easier to understand. Thus, the use of fraction board media has been proven effective in improving the learning outcomes of fraction operations in grade IV students of MI Darus Sakinah Tenggarong Seberang.
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