This document provides an overview of critical thinking. It defines critical thinking as purposeful, reasoned, and goal-directed thinking that involves searching, analyzing, and investigating issues from multiple perspectives. The document then discusses how critical thinking can help students by improving problem-solving, rational decision-making, and the ability to determine the accuracy of information. It provides examples of applying critical thinking, such as distinguishing facts from opinions and restraining emotions to maintain objectivity. The document encourages looking at issues from different angles, asking questions, and using logic and evidence to solve problems.