Each workbook reinforces the 100 words that children need to know - and it helps them master comprehension, spelling, writing, and usage of each word. Includes: * Fill-in-the-blank stories and sentences * Word riddles, games, and puzzles * Stories that present the words in context * Guess the Word activities * Word classifying and sorting activities * Practice using irregular verb forms * Proofreading practice For use with Grade 1.