| A | B |
|---|
| algebraic expression | an expression that includes at leqast one variable. also called a "variable expression" |
| base of a power | the number or expression that is used as a factor in a rerpeated multiplication |
| commutative property of addition | the order in which you add two numbers does not change the sum a + b = b + a |
| commutative property of multiplication | the order in which you multiply two numbers does not change the product |
| evaluate an algebraic expression | to find the value of an algebraic expression, substitute a number for each variable and perform the given operation(s)` |
| exponent | the number or variable the represents the number of times the base of a power is used as a factor |
| formula | an equation the relates two or more quantities |
| open sentence | an expression or an equality that contains an algebraic expression |
| order of operations | rules for evaluating an expression involving more than one operation - PEMDAS |
| power | an expression that represents repeated multiplication of the same factor |
| rate | a fraction that compares two quantities measured in different units |
| variable | a letter that is used to represent one or more numbers |
| verbal model | a verbal model describes a real-world situation using words as labels and using math symbols to relate the words |
