The Rainbow Phonics Scope and Sequence is designed to take children through from emergent to fluent over the course of four years. Specifically, the Rainbow Phonics Scope and Sequence is broken down into Phases. In simple terms: Phase 1 covers Phonemic Awareness; Phase 2 the first 18 letter patterns; Phase 3 the next 22 letter patterns; Phase 4 adjacent consonants; Phase 5 remaining letter sounds including vowel digraphs; Phase 5.5 vowel teams and sound families; Phase 6 prefixes and suffixes.