| A | B |
|---|
| Mutually exclusive events | Two events that cannot occur at the same time |
| Net | A two-dimensional shape that can be folded to create a three-dimensional figure |
| Obtuse triangle | A triangle with one angle that measures more than 90 degrees. |
| Order of operations | Rules describing what sequence to use in evaluating expressions |
| Perfect square | The product of an integer multiplied by itself |
| Permutation | Possible orders, or arrangements of a set of items. |
| Prism | A three-dimensional solid that has two congruent and parallel faces that are polygons. The remaining faces are rectangles. |
| Proportion | An equation showing that two ratios are equal. |
| Pythagorean theorem | A formula for finding the length of a side of a right triangle when the lengths of two sides are given. |
| Scalene triangle | A triangle with no congruent sides. |
| Scatterplot | A graph with points plotted to show a relationship between two variables. |
| Scientific notation | A form of writing very large or very small numbers using a number greater than or equal to 1 and less than 10 multiplied by a power of 10 |
| Stem-and-leaf plot | A data display that shows groups of data arranged by place value |
| Supplementary angles | Two angles whose measures, when added together, equal 180 degrees. |
| Surface area | The sum of the areas of all of the faces of a three-dimensional figure. |
| Theoretical probability | A statement of the probability of an event without doing an experiment or analyzing data. |
| Vertical angles | A pair of opposite congruent angles formed when two lines intersect. |
