| A | B |
|---|
| variable | a letter used to represent one or more numbers |
| algebraic expression | is an expression that includes at least one variable |
| evaluate an algebraic expression | substitute a number for each variable, perform the operation(s) and simplify the results |
| power | expression that represents repeated multiplicationof the same factor |
| base | a factor |
| exponent | the number that tells how many times the base is used as a factor |
| volume | the amount of space occupied by an object in cubic units |
| area | the size a surface takes up measured in square units |
| order of operations | evaluate grouping symbols; powers, multiply/divide left to right, add/subtract left to right |
| evaluate | to work it out |
| grouping symbols | Parentheses (), brackets {}, fraction bar / can be used as this |
