Reading intervention Activities. Everything is ready for your class. Just print and go! These reading activities are perfect for:Fluency practice, Guided Reading, RTI, Parent volunteers, Morning work, & Homework. Little readers will practice reading: Letter sounds, Digraphs, Blends, Vowel teams, Diphthongs , R-controlled vowels, CVC words, Words with blends digraphs and vowel teams, Sight words, & Short phrases/sentences.