Reinforce your child's fourth-grade skills with Spectrum Spelling. With the progressive lessons in this workbook, your child will practice vowel sounds, easily misspelled words, prefixes, suffixes, compound words, 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.