Dear Parents, Addition Fun is a delightful, challenging, fun and interactive way for children to learn how to add numbers. Approved by children, parents and teachers. Working with teachers, parents and children, we selected the most effective tools to make learning Addition facts easy and fun. Addition fun uses visual, audio and tactile tools to help children remember, understand and retain addition facts. We hope your kids enjoy this app as much as ours have. We would love to hear from you. Please email us at [email protected] Thank you.