Critical thinking abilities, activities and student learning outcomes which are still relatively low are problems in this research. With this problem, research was carried out with the aim of improving students' critical thinking skills, activities and learning outcomes. This research carried out was classroom action research which took place in class 4 of SDN 1 Tamiang Layang with 25 students. The results of the research showed that from the three meetings conducted by researchers it was known that teacher activity obtained a percentage of 96% in the "Very Good" category. Student activity obtained a percentage of 96% and was in the "Very Active" category. Students' critical thinking skills obtained a percentage of 88% so they were included in the "Very Critical" category. Student learning outcomes obtained a percentage of 92% with the statement "Completed". Based on the results of this research, it is concluded that by combining the Problem Based Learning, Talking Stick and TPACK models, it can improve the quality of teacher activities, student activities, critical thinking skills and student learning outcomes. Keywords: PBL, Talking Stick, TPACK, Critical Thinking Skills, Activities, Learning Outcomes
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