<![CDATA[This research is a Classroom Action Research that aims to improve the mathematical literacy skills of class X-2 students of SMA Negeri 1 Semarang. The research was conducted by implementing the Differentiated Problem Based Learning (PBL) model integrated with Geogebra-assisted Social Emotional Competence (KSE). The research was conducted in two cycles containing the steps of planning, action, observation, and reflection. The subjects of the research were class X-2 students of SMA Negeri 1 Semarang in the 2023/2024 Academic Year. The instruments used were the RPP instrument, teacher observation, and mathematical literacy ability test. The data collection techniques used were tests and observations. The data analysis technique in this study used quantitative and qualitative descriptive analysis techniques. The results of observations in the learning process are discussed as qualitative data, while the results of student tests are discussed as quantitative data. The results of the study showed that the mathematical literacy skills of students increased in each cycle, so it can be concluded that the application of the integrated differentiated PBL model with KSE assisted by Geogebra can improve the mathematical literacy skills of class X-2 students of SMA Negeri 1 Semarang on the quadratic equation material.Keywords: differentiate; KSE; mathematical literacy ability; PBLAbstrakPenelitian ini merupakan Penelitian Tindakan Kelas yang bertujuan untuk meningkatkan kemampuan literasi matematis peserta didik kelas X-2 SMA Negeri 1 Semarang. Penelitian dilakukan dengan menerapkan model Problem Based Learning (PBL) Berdiferensiasi terintegrasi dengan Kompetensi Sosial Emosional (KSE) Berbantuan Geogebra. Penelitian dilakukan dalam dua siklus yang memuat langkah perencanaan, tindakan, observasi, dan refleksi. Subjek penelitian adalah peserta didik kelas X-2 SMA Negeri 1 Semarang Tahun Ajaran 2023/2024. Instrumen yang digunakan adalah instrumen RPP, observasi guru, dan tes kemampuan literasi matematis. Teknik pengumpulan data yang digunakan adalah tes dan observasi. Teknik analisis data dalam penelitian ini menggunakan teknik analisis deskriptif kuantitatif dan deskriptif kualitatif. Hasil observasi pada proses pembelajaran dibahas sebagai data kualitatif, sedangkan hasil tes siswa dibahas sebagai data kuantitatif. Hasil penelitian menunjukan bahwa kemampuan literasi matematis peserta didik mengalami peningkatan setiap siklusnya, sehingga dapat disimpulkan bahwa penerapan model PBL berdiferensiasi terintegrasi dengan KSE berbantuan geogebra dapat meningkatkan kemampuan literasi matematis peserta didik kelas X-2 SMA Negeri 1 semarang pada materi persamaan kuadrat.Kata Kunci: berdiferensiasi; KSE; kemampuan literasi matematis; PBL DOI: http://dx.doi.org/10.23960/mtk/v12i3.pp220-235]]>
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