| Defintion | Word | % Correct |
|---|---|---|
| Five-sided polygon | Pentagon | 93%
|
| Number that has no factors besides itself and one | {Prime} number | 91%
|
| Three-dimensional version of a circle | Sphere | 89%
|
| Angle of less than 90 degrees | {Acute} angle | 85%
|
| Opposite of concave | Convex | 83%
|
| The bottom number in a fraction | Denominator | 80%
|
| The longest side of a right triangle | Hypotenuse | 75%
|
| Quantity that represents both a speed and a direction | Velocity | 73%
|
| Ratio of a circle's circumference to its diameter | Pi | 69%
|
| Type of average; the most common value in a set | Mode | 66%
|
| What this symbol represents: ∑ | Summation | 65%
|
| Concept represented by the ! symbol | Factorial | 56%
|
| Square roots of negative numbers | {Imaginary} numbers | 56%
|
| Triangle in which all sides have different lengths | Scalene | 49%
|
| 10 to the 100th power | Googol | 45%
|
| Number that cannot be expressed as a fraction of two integers | {Irrational} number | 45%
|
| Point where lines meet in a polygon | Vertex | 42%
|
| Two-dimensional version of a line | Plane | 31%
|
| The set of positive integers | {Natural} numbers | 29%
|
| Tetrahedrons and Dodecahedrons are types of this | Polyhedron | 16%
|