The application supports 4th grade students to study the math of the Kite book series.The application describes vivid visual lessons and exercises to help students interact directly with mobile devices to learn and do exercises.The application helps to grade, save students answers to help teachers and parents better monitor and evaluate their children.The application can be used offline (no network connection required).In addition, we also provide many applications to support learning, education, training ... you can refer to our application distribution channel on the app store or website.