Higher Order Thinking Skills in the 21st Century: Critical Thinking

High order thinking skills (HOTS) is very important in the 21st-century learning process because it requires the development of high critical thinking skills. Critical thinking skills are one part of the skills demanded in the 21st century. The critical thinking skills play a role in equipping students to deal with social, scientific, and practical problems effectively in the future. This article aims to examine the importance of improving critical thinking skills to answer the challenges of the 21st century. The method used in this study is a qualitative design with the main source of literature studies on high order thinking skills and critical thinking skills. The process of the literature review method in this study is to choose a review topic; search for literature; collect, read, and analyze literature; write a review; reference. The results of this study reveal that critical thinking skills can help students improve HOTS by using a learning model of stimulating thinking skills, for example, a problem-based learning model.