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 puzzle; — 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.