This document discusses three 21st century skills: collaboration, critical thinking, and creativity. Collaboration involves working together towards a common goal through activities like brainstorming, decision-making, and conflict resolution. Critical thinking is careful analysis to improve understanding and can be taught through tasks that develop reasoning, gathering information, and making decisions. Creativity brings new things into existence through brainstorming, designing, innovating, and problem solving. Communication conveys information effectively through analyzing situations, choosing mediums, and skills like listening, reading, speaking and writing.