The '3-2-1 Learn' workbook series from Steck Vaughn will help your young children master the concepts they need for success in school. Fun activity pages strengthen basic skills such as learning their upper and lower-case letters, learning numbers through ten, recognizing opposites, determining living and non-living things, identifying the senses, learning how to use a map, and more. Activities are organized into four subjects: Language Arts, Math, Science, and Social Studies. 128 classroom-reproducible, perforated pages, softcover. Ages 4-5 / Preschool-Kindergarten.