States of Matter: Particle Motion Investigation | A Targeted Mastery Recovery Task (TMRT) | Grades 6–9 This Targeted Mastery Recovery Task (TMRT) provides a structured, academically rigorous way for students to demonstrate understanding of particle motion and states of matter after initial difficulty. Designed for real classroom needs, this resource helps teachers support students while maintaining grading integrity and accountability. What This Resource Includes:Student Bookl