Explanation of Key Concept Terms Phoneme - the smallest speech sound into which a spoken word can be divided. The word mat has three phonemes -/m/ /a/ /t/. The word chain also has 3 phonemes - /ch/ /ai/ /n/. Jump has 4 phonemes /j/ /u/ /m/ /p/. Consonant blends – two or three consonants grouped together in which the sound of each consonant is retained (bl, cl, pr, tr, sm, st, scr, str). Digraphs – a pair of letters representing a single speech sound. Consonant digraphs – two or more consonants grouped together that produce one sound (th –that, sh – ship, ph – phone). Vowel digraphs – two vowels grouped together in which one sound, usually the long sound, of one of the vowels letters is heard (bead, boat, beet, bay). Fluency – is to read expressively, meaningfully, in appropriate phrases, at appropriate rates, and without word recognition difficulty. Word patterns (word families, phonograms) – the part of a word or syllable that contains the vowel and any consonants that follow the vowel. They are easily recognized and are consistent in the sound or sound combinations they represent (ap, ock, ack, ick, ide).