phonics instruction phonics reading first grade instruction explicit phonics letter-sound relationships reading instruction systematic phonics instruction phonemes how to skills synthetic phonics kindergarten teachers Reading Phonics phonemic awareness consonant spelling letter-sound correspondences alphabetic principle vowel systematic phonics Research reading program literacy beginning reading whole language elements fluency Reading Rockets reading skills English pattern systematically classrooms pupils Teachers languages syllable PY Reading-Instruction edrs EDRS Price embedded phonics mastery Sleep systematic programs assessments Teaching Methods Phoneme continuous sound characters consonant blend letter names long vowels DL cfm CVCC spellings Elementary-Education Eds English spelling systematic instruction NRP reading comprehension accurately pedagogy sentences bio Kame Your Child educators National Reading Panel Carnine enui Silbert Education Tarver games Learners nelsonthornes relationships Flash Game written letters cogcon simultaneous presentation lower-case conclusion gamegoo medial vowels written words Frieda construct reading literacy Teaching Approaches early childhood National Institute for Literacy adult education literacy programs based research adults the International Campaign help children Put Reading First Educators International Reading Association reading and writing reading programs Teaching phonics grade teachers effect sizes ics IRA schools strategies Ehri control group comparisons phon findings Reading and Writing effectiveness learn to read pbskids