... keyReading (Grades K–6)Math (Grades K–8)Spelling (Grades 1–6)Writing (Grades 1–8) Language Arts (Grades 2–6)Vocabulary (Grades 3–6)Test Prep (Grades 1–8)Test Practice (Grades 1—8)Geography (Grades ... . 106 4 Spectrum Word Study and Phonics Grade 6 Table of ContentsNAMELesson 1.11 Vowel Sounds (oo, ew, ou, ui, ue) Spectrum Word Study and Phonics Chapter 1 Lesson 11 Grade 6 Phonics 34 Read ... 1–8)Test Practice (Grades 1—8)Geography (Grades 3–6)Phonics (Grades K–3)Word Study and Phonics (Grades 4 6)Science Test Prep (Grades 3–8)Basic Concepts and Skills (Preschool)Learning Letters...