| Term | Definition |
| Area | a measurement that describes the number of square units that cover a surface |
| Equation | a mathematical statement that two expressions are equal |
| Unit Rate | comparison of a quanity to 1 |
| Scalene Triangle | a triangle with no equal sides |
| Radius | the length of a line segment between the center and circumference of a circle or sphere |
| Solid Figure | a three dimensional geometric figure that has length, width, an height. |
| Trapezoid | a quadrilateral with two parallel sides |
| B | the area of the base of a solid figure |
| P | the perimeter of the base of a solid figure |
| percent | a ratio that compares a number to 100 |
| perimeter | distances around a closed figure |
| proportion | a statement where two fractions/ratios are equal |
| pi | approximently 3.14 |
| congruent | figures that have the same size and shape; equal |
| decimal | a proper fraction whose denominator is a power of 10 |
| fraction | a comparison of parts to whole |
| polygon | a 2 dimensional closed plane figure having 3 or more sides |
| ratio | a comparison of 2 quantities |
| rational number | a number that can be written as a fraction in the form a/b; |
| total surface area | the sum of all the areas of the faces of a 3D figure |