A math T-chart is a method used to organize information in two columns in order to solve problems or for graphing equations. In math, a T-chart is very useful for keeping a list of corresponding "x" and "y" when given ei... More »

Symbols are used in all branches of math to represent a formula or procedure, express a condition or to denote a constant. The four basic operations are denoted by the following symbols: “+” implies addition, “-“ implies... More »

For each represented digit on a Touch Math number chart, a small number of "touch points," or small dots whose quantity is equal to the numerical value of a given digit, are added. Touch Math charts may include arithmeti... More »

Elimination in mathematics refers to the elimination method, also called the addition method, which is used to solve basic algebraic problems by comparing two equations in order to find what their variables equal. This m... More »

In mathematical operations, "n" is a variable, and it is often found in equations for accounting, physics and arithmetic sequences. A variable is a letter or symbol that stands for a number and is used in mathematical ex... More »

Algebra is a method of solving mathematical equations in a way that allows a person to derive unknown quantities, such as bank interest, percentages or proportions. The use of letter variables in algebra to represent unk... More »

Elimination is a method for solving a system of two or more algebraic equations by transforming the system so that one of the variables cancels out. It is sometimes called the addition method because it involves adding e... More »