As much as we hate numbers, we know we can’t escape them. Just when you thought you were rid of your primary and high school classes, numbers are everywhere. They can be part of your job and they certainly can be part of your grocery shopping. Whether you’re an adult who wants to keep your skill with numbers sharp or you’re a parent tutoring his or her child on mathematics, we’ve got your back. We’ve put together for you a list that not only includes Android apps for adults but apps for kids, as well.