This presentation discusses strategies for designing lesson activities that promote creativity, problem solving, and collaboration skills. It provides models for assessing these 21st century skills, including a competency model, evidence model, task model, and impact on learning. The competency model outlines the knowledge needed for creativity and problem solving. The evidence model describes rubrics used to evaluate creativity, problem solving, and collaboration on a scale from beginning to advanced. The task model provides an example short story unit activity. The impact on learning discusses how these skills can be developed at individual, group, and organizational levels.