Penelitian ini bertujuan untuk menghasilkan perangkat pembelajaran matematika bercirikan problem-based learning (PBL) yang valid, praktis, dan efektif untuk mengembangkan higher order thinking skills (HOTS) siswa SMA kelas X semester 2 berupa: rencana pelaksanaan pembelajaran (RPP) dan lembar kegiatan siswa (LKS) yang dilengkapi instrumen tes hasil belajar. Penelitian pengembangan ini menggunakan model pengembangan 4-D dari Thiagarajan dengan empat tahapan, yaitu: pendefinisian, perancangan, pengembangan, dan penyebaran. Uji coba dilaksanakan dalam tiga tahap, yaitu: uji coba ahli, uji coba terbatas, dan uji coba lapangan. Subjek uji coba dalam penelitian ini adalah guru dan siswa yang dipilih dari dua sekolah. Instrumen yang digunakan terdiri atas lembar validasi, penilaian guru, penilaian siswa, dan instrumen tes hasil belajar. Hasil penelitian menunjukkan bahwa perangkat yang dikembangkan telah memenuhi aspek validitas, kepraktisan, dan keefektifan.(1) Hasil validitas menunjukkan bahwa RPP dan LKS yang dikembangkan pada kategori valid dengan indeks Aiken pada RPP sebesar 0,69 dan LKS sebesar 0,70. (2) Hasil uji coba terbatas menunjukkan perangkat pembelajaran yang dikembangkan pada kategori praktis. (3) Hasil uji coba lapangan menunjukkan perangkat pembelajaran efektif ditinjau dari HOTS siswa dengan persentase ketuntasan secara klasikal subjek uji coba lebih dari 75%.Kata Kunci: pengembangan, perangkat pembelajaran matematika, problem-based learning, higher order thinking skills Mathematics teaching kits based on PBL to develop hots of senior high school students  AbstractThis research is aimed at developing mathematics teaching kit based on problem-based learning which is valid, practical, and effective to develop the higher order thinking of grade X students senior high school in their second semester, which consists of lesson plan and students’ worksheet with test instrument. The research development used the model adapted from 4-D model developed by Thiagarajan with employing steps: defining, planning, developing, and disseminating. The tryout is conducted three steps: expert validation, limited tryout, and field tryout. The tryout subjects were teachers and students from two schools. The instruments used in this research were validation sheet, teacher’s assessment sheet, student’s assessment sheet, and test. The result of the research shows that the developed mathematics teaching kitbased on problem-based learning has met the aspect of validity, practicality, and effectiveness. (1) The result of validation shows that the lesson plan and the students’ worksheet are chategorized as valid with the Aiken analysis showing the index for the lesson plan has achieved 0.69 and the 0.70 for the students’ worksheet. (2) teh result of limited tryout shows that the developed of mathematics teaching kit is practical. (3) the result of field tryout shows that the developed of mathematics teaching is effective interm students’s HOTS with percentage of clasisical mastery subjects reached 75%.Keywords: development, mathematics teaching kit, problem-based learning, higher order thinking skills

This research aims to find out how the change management process was carried out at the Islamic College in Indonesia, and what the backgroud changes occur was. This research method used qualitative with data collection techniques of interviews, documentation, and observation. The results of this study indicated that the factors driving change were namely; internal and external factors. Internal factors can be arised from within the organization of Islamic higher education institutions. Meanwhile, internal factors can be arised from outside the organization or institution. In the process of change that occurred at UIN Riau and UIN Bandung, Kurt Lewin's theory was more dominated as the main model. However, from the results of this study, the authors resulted in the development of a more dynamic theory of Kurt Lewin, namely (doctrining, unfreezing, changing, freezing, innovating). The five steps of the process of change the researchers produced from an argumentative analysis that changed in nature continue to occur, so that it took various innovations to one another and continuous innovation.

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One problem in elementary schools in facilitating students' literacy skills is the limitation of teaching materials. This study aims to explore the ability of elementary school teachers to write mathematical literacy modules based on the Bengkulu context. This research is descriptive research with a quantitative approach. Subjects consisted of two groups taken from 40 postgraduate students of elementary school teachers’ education FKIP UNIB. Data were collected using ability tests, document analysis, and interviews. The results showed that: (1) there were differences in students' abilities to understand teaching materials before and after developing the module. (2) the fresh graduate students are better at choosing local context problems, designing modules, and displaying modules. (3) students from elementary school teachers tend to be better at developing indicators, presenting material, and examples of reinforcement. (4) the literacy mathematics module-based local context has met the criteria valid in terms of construction, material, language, and readability.