Encourage creativity and strengthen communication skills for your fourth grader with the Spectrum Grade 4 Language Arts workbook. This standards-based, 4th grade workbook is packed with engaging, open-ended writing activities and grade-appropriate practice to build a stronger understanding of essential language arts concepts, including: Sentence structure Parts of speech Vocabulary GrammarAligned to current state standards, this 4th grade English Language Arts (ELA) workbook includes an answer key and a supplemental Writer’s Guide to reinforce grammar and language arts concepts.