People add numbers in their heads all the time, even when they're not aware of it. It turns out that math is inescapable and a part of every day life. With this invaluable volume, young mathematicians will be guided through some fast facts of addition and learn how they can be applied to real-life situations. They'll find out about the associative, commutative, and distributive properties, and find out about special terms used for numbers in equations...