| A | B |
| Inverse operations | Opposites in math, addition and subtraction, multiplication and division |
| Inverse property | Reciprocal, when u do this operation u get zero or one |
| Inverse variation | If one goes up, the other goes down |
| Irrational numbers | It never stops and never repeats |
| Isosceles triangle | A triangle with 2 same sides |
| Line of best of fit | A line in a scatter plot that goes through the center of the dots |
| Linear equation | An equation that gives you a line on a coordinate grid |
| Mean | The set of numbers added together then divide by the number of numbers in the set |
| Measures of center | Numbers that show the middle of a set of numbers |
| Measures of center | Mean, median, mode, and range |
| Median | The middle numbers when arranged from least greatest |
| Mode | The number that appears the most in a set of numbers |