equality

Equality is when two values or expressions are equal to each other. 

Key Words & Symbols

equal - two values or expressions are the same size.

approximately - two values or expressions are very close to being equal.

not equal - two values or expressions are not the same size.

equivalent or identical - two values or expressions are equal to each other but are written in a different form.

(Note: equivalent & identical - there is more to these words, but for now we will not get too complicated)