Bossy R Activities | R-Controlled Vowels AR ER IR OR UR Phonics Centers, Worksheets, Anchor Chart & Lesson PlanHelp your students master r-controlled vowels (Bossy R) with this engaging phonics activity pack! This resource provides multiple opportunities for students to identify, read, and sort words with AR, ER, IR, OR, and UR through hands-on literacy centers and independent practice activities. This mini unit is perfect for whole-group instruction, small-group intervention, literacy cente