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