Critical thinking is an important skill in the 21st century learning in the industrial revolution 4.0 era. The ranking of Indonesia in TIMSS is low. 21st-century student skills in Indonesia such as critical thinking is still relatively low. Teaching materials that do not contain 21st-century skills will have an impact on the effectiveness of achieving core competencies and basic competencies. This research has several objectives. First, analyze the module needs as teaching material. Second, knowing the teacher's response to the 2013 curriculum compatibility module. Third, knowing the problem in students' critical thinking skills. The design development model used is the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). This study uses a qualitative method. The research subjects were teachers and students at Sorong Muhammadiyah High School. The object of this research is critical thinking and the Analysis of the Model Problem-Based Learning model. Data collection instruments used observation guidelines and interview guidelines. Data analysis uses descriptive analysis. Research provides several results. First, teachers and schools need electronic modules. Second, the critical thinking skills of class XII students are still relatively low in material opportunities. Third, teachers need modules for curriculum compatibility in 2013. Fourth, modules that integrate critical thinking skills do not yet exist. This research can be developed based on Problem Based Learning modules to improve critical thinking skills. This research can be continued in the Implementation and Evaluation stage. © IJSTR 2020.
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