The Babylonian society used a cuneiform method of writing that included numerical characters; this is the earliest-known form of numbers, meaning that, as far as humans know, the Babylonians created numbers. This system ... More »

Fractions were created by the ancient Egyptians in 1800 B.C. Egyptians created a number system on a base 10 concept, which is similar to the numerical systems used in the United States and around the world for creating f... More »

The Greek mathematician Archimedes is credited with discovering and proving the law of exponents in "The Sand Reckoner." His famous work was designed to express the number of grains of sand that can fit in the universe, ... More »

The partial products method is a way to multiply two or three-digit numbers together. It involves thinking of a number as a sum of its individual powers of ten, multiplying each part by each of the other number's parts i... More »

Moving decimals is an easy method of multiplying numbers containing two numerals after a decimal, with a check at the end to ensure that the decimals are properly placed after the multiplication process is complete. All ... More »

In mathematics, expanded form is a method of representing a number through an addition statement by totaling the values of its digits. For example, the number 3,745 can be written in expanded form as 3,000 + 700 + 40 + 5... More »

"Digits" are the symbols or characters used to represent a number visually. A number like five contains one digit, whereas a number like 555 contains three digits. This is easily seen when they are written as numerals: 5... More »