A budget is a tool used by individuals, businesses, and governments to predict flows of money over a period of time, usually a year. A household budget lists all the sources of money for that…
Source: The Office of the Comptroller of the Currency Banking has changed in many ways through the years. Banks today offer a wider range of products and services than ever before, and deliver them…
Source: The U.S. Secret Service Counterfeiting of money is one of the oldest crimes in history. It was a serious problem during the 19th century when banks issued their own currency. At the time of…
Source: The U.S. Treasury Department, Bureau of Engraving and Printing In 1996, the United States began issuing currency with a new design and additional security features. Pre-existing security…
Source: The U.S. MintStep 1: BlankingThe U.S. Mint buys strips of metal about 13 inches wide and 1,500 feet long to manufacture the nickel, dime, quarter, half-dollar, and dollar. The strips come…
A cardinal number tells "how many." Cardinal numbers are also known as "counting numbers," because they show quantity. Here are some examples using cardinal numbers:8 puppies14 friends Ordinal…
The factorial of a number is the product of all the whole numbers, except zero, that are less than or equal to that number. For example, to find the factorial of 7 you would multiply together all…
A rounded number has about the same value as the number you start with, but it is less exact. For example, 341 rounded to the nearest hundred is 300. That is because 341 is closer in value to 300…
Cube V = a3, in which a is the length of one of the sides.Rectangular Prism V = abc, in which a is the length, b is the width, and c is the depth.Sphere V = (4πr3)/3, in which π is about 3.1416 and…
Perimeter The perimeter of a geometrical figure is the complete distance around that figure. To find the perimeter, simply add up the lengths of the figure's sides. Example: What is the perimeter…
