This photo-based workbook series was designed by Houghton Mifflin Harcourt, a global leader in education serving 60 million students worldwide. Achieve! offers a comprehensive curriculum with a funny bone. Vibrant photographs form the center of each activity: math, reading, science, and social studies. The book’s central character is Cosmo. Cosmo appears on selected activity pages to help extend ideas to every day life.Whether it’s used as a summer refresher or for weekend reinforcement, it’s the perfect tool to nurture kids’ natural interest in the world and how it works. In the Achieve! Grade 2 workbook, kids have hundreds of opportunities to practice Common-Core aligned math, literacy, science, and social studies. Add and subtract within 100, work with time and money, recognize and decode prefixes and suffixes, and explore marketplace concepts.