RTI Intervention Focus: Word Parts and Segmenting is the fourth of six RTI interventions described in the book ÒRTI Phonological Awareness Interventions for the Regular Classroom Teacher.Ó Equipped with step-by-step lesson instructions, lesson mini-assessments, universal screening, and progress monitoring assessments, this manual provides teachers the tools necessary to confidently and competently implement an evidence based intervention for word parts and segmenting.