Cooperative learning is a great way to practice important skills. This peer-check-review activity will get your students up and moving around the classroom. They will have fun practicing naming fractions while quizzing their classmates. This activity is aligned to the Common Core Standards 2.G.3 Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds,