| A | B |
|---|
| Mean | the sum of the values in a data set divided by the number of values |
| Median | the middle value in a data set that is in order |
| Mode | the value in a data set that occurs the most often |
| Range | the largest value minus the smallest value in a data set |
| Product | the answer to a multiplication problem |
| Sum | the answer to an addition problem |
| Difference | the answer to a subtraction problem |
| Quotient | the answer to a division problem |
| Cross products | the result of multiplying the numbers that are across from each other in a proportion |
| means and extremes | another word for cross products |
| Sample space | all of the possible outcomes of a probability experiment |
| Outcomes | the possible results when a probability experiment is performed |
| Area | the number of square units needed to cover a figure |
| Perimeter | the distance around a figure |
| Central angle | an angle whose vertex is the center of the circle |
| Commutative property | you can change the order of a multiplication or addition problem without changing the answer |
| Associative property | you can change the grouping (parentheses) of an addition or multiplication problem without changing the answer |
| Identity property | when you add 0 to a number (or multiply by 1) you get the number you started with |
| Zero property | zero times any number is always zero |
| Expression | a mathematical statement without an equal sign |
| Equation | a mathematical statement with an equal sign |
| Reciprocals | two numbers that give you 1 when you multiply them together (the flip of a number) |
| Circumference | the distance around the outside of a circle |
| Inverse | an operation that undoes another operation (like addition undoes subtraction) |
| Absolute value | the distance between a number and zero on the number line |
