<![CDATA[Mathematical creative thinking is an important competency that needs to be developed in geometry learning. This study aimed to develop an e-module using Articulate Storyline integrated with the Open-Ended approach to facilitate the mathematical creative thinking skills of seventh-grade students. This study employed a Research and Development (R&D) method using the ADDIE development model, consisting of the analysis, design, development, implementation, and evaluation stages. The research subjects consisted of 30 seventh-grade students of SMP Negeri 1 Pucuk, while product validation involved material and media experts. The research instruments included material expert validation sheets, media expert validation sheets, and a mathematical creative thinking test covering the indicators of fluency, flexibility, originality, and elaboration. Product validity was analyzed based on the percentage of expert validation results, while effectiveness was determined based on the percentage of classical learning mastery. Practicality was not specifically assessed because the study was limited to examining product validity and effectiveness according to the scope, time, and research instruments available. The results showed that the e-module achieved a validity score of 83%, categorized as very valid. During the implementation stage, 22 out of 30 students achieved scores above the minimum mastery criterion of 71, while 8 students did not achieve the criterion, resulting in a classical learning mastery rate of 73%, categorized as effective. These findings indicate that the Articulate Storyline-based e-module integrated with the Open-Ended approach meets the criteria of very valid and effective based on students' test mastery and has potential to facilitate mathematical creative thinking in seventh-grade geometry learning. ABSTRAK Kemampuan berpikir kreatif matematis merupakan salah satu kompetensi penting yang perlu dikembangkan dalam pembelajaran geometri. Penelitian ini bertujuan mengembangkan e-modul menggunakan Articulate Storyline dengan pendekatan Open-Ended untuk memfasilitasi kemampuan berpikir kreatif matematis peserta didik kelas VII. Penelitian ini menggunakan metode Research and Development (R&D) dengan model ADDIE yang meliputi tahap analysis, design, development, implementation, dan evaluation. Subjek penelitian terdiri atas 30 peserta didik kelas VII A SMP Negeri 1 Pucuk, sedangkan validasi produk melibatkan ahli materi dan ahli media. Instrumen penelitian terdiri atas lembar validasi ahli materi, lembar validasi ahli media, dan tes kemampuan berpikir kreatif matematis yang mencakup indikator fluency, flexibility, originality, dan elaboration. Kevalidan produk dianalisis berdasarkan persentase hasil validasi, sedangkan keefektifan dianalisis berdasarkan persentase ketuntasan belajar klasikal. Aspek kepraktisan tidak diuji secara khusus karena penelitian dibatasi pada pengujian kevalidan dan keefektifan produk sesuai ruang lingkup, waktu, dan instrumen penelitian yang tersedia. Hasil penelitian menunjukkan bahwa e-modul memperoleh persentase kevalidan sebesar 83% dengan kategori sangat valid. Pada tahap implementasi, sebanyak 22 dari 30 peserta didik mencapai nilai di atas KKM 71, sedangkan 8 peserta didik belum mencapai KKM, sehingga diperoleh ketuntasan belajar klasikal sebesar 73% dengan kategori efektif. Hasil tersebut menunjukkan bahwa e-modul menggunakan Articulate Storyline dengan pendekatan Open-Ended memenuhi kriteria sangat valid dan efektif berdasarkan ketuntasan hasil tes serta berpotensi digunakan untuk memfasilitasi kemampuan berpikir kreatif matematis pada materi geometri kelas VII.]]>
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