In math, the mean is the average of a set of numbers. To determine the mean, add all numbers in a set and take this answer and divide it by how many numbers are in the set. More »

Domain, in math, is defined as the set of all possible values that can be used as input values in a function. A simple mathematical function has a domain of all real numbers because there isn't a number that can be put i... More »

In mathematics, the average often refers to the mean. There are three types of central tendencies or averages in mathematics, and these are used extensively in statistics. These are the mean, mode and median. More »

In mathematics, an array is a set of numbers or objects placed in rows or columns. Arrays are often used to represent multiplication or division. More »

In mathematics, adding numbers, items or amounts produces a sum. The word also refers to a group of arithmetic problems given as a classroom assignment. As a verb, to sum is to find the total of added amounts. More »

In mathematics, the range of a set of data refers to the difference between the smallest and largest number. For the set of data 1,2,3,4,7, the range is equal to 7 minus 1 or 6. More »

Regrouping is the borrowing of a value from one column of numbers to another to aid a mathematical operation. If one is subtracting, it’s necessary to regroup when the number at the top of a column is smaller than the on... More »