The Read Write Inc. Phonics Complex Speed Sounds Poster supports the teThe Read Write Inc.Phonics Complex Speed Sounds Poster supports the teaching of sounds and graphemes.This large classroom poster (A0 size) is useful for a quick review of the complex (one sound - many graphemes) Speed Sounds.This poster is also available in a pack of 10. Read Write Inc. Phonics is a proven DfE validated systematic synthetic phonics programme that ensures early success in reading, writing and spelling.It includes Speed Sound Cards, Word Cards, Storybooks, Non-fiction, Book Bag Books, s and Writing books.It is supported by teacher resources and a full training package from Ruth Miskin Training to ensure easy and effective implementation.