"Kids, young and old, fall in love with math when they see how real-life and effortless it becomes thanks to these books." --Kimberly D. Mueller, Ed.D., First Grade Teacher, Ashbrook School, Lumberton NJ Mighty Maddie is perfect for teaching comparing weights to pre-K through kindergarteners. Maddie's room is a mess. Maddie's toys are everywhere. And Maddie has to clean them up before her birthday party starts...