The document provides guidance on assessing student background knowledge and measuring student learning. It discusses the importance of checking students' prior knowledge to identify gaps and misconceptions. Several strategies are outlined for conducting background knowledge checks, including common sense inventories, background knowledge probes, minute papers, and online surveys. The document also discusses formative and summative assessments and provides examples of assessment strategies like rubrics, tests, self-assessment, and peer assessment. The goal of assessment should be to systematically collect information about student learning to inform instructional decisions.