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, wi...