This document discusses formative assessment and technology tools that can be used to support it. Formative assessment involves using evidence gathered during instruction to modify teaching and help students learn. It provides feedback to students and teachers. The document outlines the formative assessment process and compares it to summative assessment. It then discusses research-based strategies for formative assessment and how instructional technologies can support them by engaging students, providing immediate feedback, and informing decision making. Specific technology tools are presented in the areas of student response systems, feedback tools, and capturing student thinking. Tools mentioned include Active Prompt, Google Forms, Kahoot, Padlet, TodaysMeet, Twitter, Answer Garden, Linoit, Classkick