Help your students master Quartiles and Interquartile Range (IQR) with this interactive, self-checking digital math lesson—perfect for Grades 6–9! Designed to support classroom, distance learning, or independent practice, this no-prep resource includes engaging questions, instant feedback, and visual scaffolding to build a strong understanding of data spread and variability. What’s Included:Step-by-step digital lesson explaining how to find quartiles and the interquartile range.Self-chec