| A | B |
|---|
| addition equation | when the same number is added to both sides of an equation, the result is a true statement |
| variable | A symbol, usually a letter, used to represent a number |
| algebraic expression | An expression that contains one or more variables and at least one mathematical operation. It may also contain numbers |
| closed sentence | A numerical equation that does not contain variables. |
| coefficient | the numerical factor of a term that contains a variable |
| constant | A term that does not contain a variable |
| equation | A statement that contains an equal sign, showing that two mathematical expressions are equal |
| evaluate | To find the value of a numerical expression or an algebraic expression |
| formula | An equation, or rule, that shows a mathematical relationship between two or more quantities |
| like terms | terms that have the same variables raised to the same power or terms that contgain no variables (constants) |
| open sentence | An algebraic equation that contains one or more variables. They are neither true or false |
| solution | a value for a variable that makes an algebraic equation true |
| terms | the parts of an expression separated by plus or minus signs |
| two-step equation | An equation that involves two operations |
| algebraic equation | An equation that contains one or more variables and at least one mathematical operation. It may also contain numbers |
