This document discusses and compares formative and summative assessment. Formative assessment is ongoing, informal evaluation used to provide feedback and guide instruction, focusing on student needs and growth rather than grades. Summative assessment is formal end-of-unit evaluation used to measure learning against standards and assign grades. Key differences include timing, formality, purpose, coverage, and results. Examples of formative assessment include concept maps, short responses, and group activities, while examples of summative assessment include exams, projects, and standardized tests.