This document discusses formative assessment strategies that teachers can use to gather evidence of student learning and guide instruction. It outlines six key strategies for formative assessment: 1) learning intentions, 2) criteria, 3) questions, 4) descriptive feedback, 5) peer and self-assessment, and 6) ownership. These strategies are designed to be used minute-by-minute and day-by-day in the classroom to continually assess student understanding and adapt teaching accordingly. The document also discusses occasional "grand events" like performance-based assessments to analyze student strengths and areas for improvement.