Wilber, Wendell, Willy, Walter, and Woody really know how to put on a show. Five hilarious ducks juggle pies splat; spin plates crash; and show off their magic box Wowee Their slapstick routine is also a math lesson. They introduce the concepts greater than, less than, and equal to as well as addition and subtraction. All the while, students will be laughing so much, they won t even realize that they are learning. A page for teachers and parents explains exactly how the book meets the Common Core State Standards. (K.CC. 6 7) and (K.OA. 1 5)."