A bill is a kind of money. It is money that is made of paper. It can be used to buy things.
The United States has different kinds of bills. They look alike in some ways. They are all shaped like rectangles. They used to all be light green. Now, some bills have different colors. Some have light blue or peach. They also can have different designs on them.
Bills can be worth different amounts of money. There are bills worth one dollar. There are also bills worth one hundred dollars!
