This document discusses formative assessment and provides examples of formative assessment strategies that can be used individually or in groups. Formative assessment is ongoing, informal assessment that helps teachers evaluate student understanding and determine if lessons need to be modified. Examples of individual formative assessments provided include exit passes, top 3 lists, and think-puzzle-explore activities. Group activities discussed are oral assessments, board sharing, partner sharing, and poster activities. The document concludes by emphasizing that the purpose of formative assessment is to use the information gained to improve teaching and outlines a sample formative assessment plan.