VOCABULARY BUILDER - PrefixesNo-Prep Lessons and Activities to Build Vocabulary for Grades 3-5+ Bundled, No-Prep, Ready-to-Go Practice Packs offer a structured and enjoyable way for students to build and reinforce their vocabulary.Great for older students, SpEd, Dyslexia, ELL, and anyone struggling with reading.Students learn that a prefix is a group of letters added to the start of a word, changing what it means. Example: the prefix “dis-“ means “not” or “opposite of.” In “disagree,” the root o