The document discusses project-based learning and integrating 21st century skills. It outlines the rationale for using project-based learning, including allowing students to develop deep knowledge and critical thinking skills. It also describes common elements of effective projects, such as aligning them with standards and assessing students. The document then discusses instructional approaches for projects and outlines various 21st century skills, including learning and innovation skills, information/media/technology skills, and life and career skills.