| A | B |
| commutative | 4+6=6+4 or 8 x 2 = 2 x 8 |
| associative | (1+5) + 3 = 1 + (5+3) |
| identity | 5+0=5 or 8 x 1 =8 |
| distributive | 5(4+2)=5(4)+5(2) |
| parallel | lines that do not cross and stay the same distance apart |
| intersecting | lines that cross at a point |
| mean | the average of a list of numbers |
| median | the middle number in a list of data (least to greatest) |
| mode | the number that appears most often in a list of data |
| range | the difference between the hightest and lowest numbers in a list of data |
| perpendicular | lines that intersect at 90 degrees |
| percent | fraction whose denominator is 100 |
| ratio | a comparison of two numbers by division |
| probability | a way of describing the likelihood of an event |
| proportion | 3/6=1/2, a relation of two ratios |
| perimeter | the distance around a closed flat shape |
| area | the number of square units needed to cover a surface |
| reflection | flipping a figure to produce a mirror image |
| rotation | turning a figure around its center point |
| translation | sliding a figure from one position to another without sliding or flipping it |