Reinforce your sixth-grader's spelling skills with Spectrum Spelling. With the progressive lessons in this workbook, students will practice diphthongs, regular and irregular plurals, related words, Greek and Latin roots, and dictionary skills. Engage your child with brainteasers, riddles, and puzzles in these full-color spelling lessons from Spectrum(R). Students in grades K–6 will find systematic instruction and practice in spelling patterns, spelling strategies, and spelling skills related to meaning and context. Each workbook also includes a speller's dictionary, proofreader's guide, and answer key. Aligned to current state standards, Spectrum is your child's path to spelling success. Spectrum, the best-selling workbook series, is proud to provide quality educational materials that support your students' learning achievement and success.