| A | B |
|---|
| ratio | a comparison of two quantities, often written as a fraction. |
| rate | a ratio in which two quantities with different units of measure are compared. |
| unit rate | a rate in which the second number in the comparison is one unit. |
| cross product | for two ratios, the product of the top value from one and the bottom value from the other. |
| proportion | a pair of equal ratios. |
| similar | figures having the same shape but possibly different sizes. |
| equation | a mathematical sentence stating that two expressions are equal. |
| expression | a mathematical phrase containing variables, constants, and operation symbols. |
| integers | the set of positive whole numbers, their opposites, and zero. |
| polygon | a closed figure made of line segments. |
