| A | B |
|---|
| variable | symbols that represent numbers |
| general pattern | rules that describe patterns |
| special case | When a particular number is substituted for the variable in a general pattern |
| expression | An expression which uses symbols to represent numbers or abstract concepts |
| equation | a statement that two expressions are equal |
| algebraic expression | A group of symbols that states a relationship between quantities, contains at least one variable |
| ways to describe general patterns | in words or with variables |
| Example of a general pattern | c + c = 2 * c |
| Example of a special case | 3 + 3 = 2 * 3 |
