<![CDATA[The use of mathematics learning media significantly influences students' ability to solve mathematical problems. This study aims to develop a learning media called Magic Board, which can enhance problem-solving abilities in first-grade elementary school students. The research method employs six stages of R&D by Borg and Gall, namely: (1) Research information collecting, (2) Planning, (3) Develop preliminary form of product, (4) Preliminary field testing, (5) Main product revision, and (6) Main field-testing combined with ADDIE (Analysis, Design, Development, Implementation, and Evaluation). Magic Board is a combination of an addition board with story problem cards to enhance students' problem-solving skills. Magic Board obtained very valid criteria with a percentage of 94.1% from media experts and 81.5% from content experts. Based on teacher and student response sheets, Magic Board obtained very practical criteria with a percentage of 90.1% from teacher response sheets and 96% from student response sheets. The effectiveness of Magic Board is determined through pre-test and post-test results processed through Paired Sample T Test by Wilcoxon via SPSS, yielding a significance value of 0.008 with criteria influencing students, as well as from student response sheets with a score of 98.6%, with very effective criteria in improving first-grade elementary school students' problem-solving abilities.]]>
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