Money Math: Addition and Subtraction

This primer on money will change how you see addition and subtraction.

What can a handful of coins get you? Well, it depends on how many you've got. . . . and what they are.

In this fun introduction to American currency, a variety of past presidents introduce themselves and their denominations. You'll learn who's on each coin and bill, and what they're worth-- and how many of one it takes to add up to another. Dollars, cents, and decimals are explained in accessible, kid-friendly language, w...