vertex | | The difference between the original price and the sale price of an item. |

discount | | The point of intersection of the x and y axes. |

percent | | A series of points that extend in two opposite directions without end. |

complementary | | A triangle with no congruent sides. |

rhombus | | Matching |

equation | | A closed plane figure formed by three or more line segments. |

parallelogram | | The middle value of a data set when the data is arranged in numerical order. |

origin | | A polygon with six sides. |

integers | | A ratio that compares a number to 100. |

isosceles | | A number written as the product of two factors, one a power of 10. |

order of operations | | A whole number with exactly two factors, 1 and itself. |

probability | | A quadrilateral with both pairs of opposite sides parallel. |

ratio | | The item that occurs with the greatest frequency in a data set. |

pentagon | | A mathematical sentence with an equal sign. |

scale drawing | | A quadrilateral with exactly one pair of parallel sides. |

mean | | A set of numbers that follow a pattern. |

divisible | | An enlarged or reduced drawing of an object that is similar to the actual object. |

inverse operation | | One whole number divided by a second whole number with a remainder of zero. |

circumference | | Operations that undo each other. |

simplest form | | A decimal that stops or terminates. |

angle | | The distance around a circle. |

parallel lines | | A symbol that represents one or more numbers. |

hypotenuse | | The difference between the greatest and the least values in a data set. |

trapezoid | | Angles with equal measures. |

polygon | | An equation stating that two ratios are equal. |

range | | A triangle with at least two congruent sides. |

scientific notation | | The set of positive whole numbers, their opposites, and zero. |

proportion | | A comparison of two quantites by division. |

algebraic expression | | A flat surface that extends indefinitely in all directions and has no thickness. |

line | | pemdas |

quadrant | | Tells you how many times a number or base is used as a factor. |

improper fraction | | In a right triangle, the longest side, which is opposite the right angle. |

plane | | The four regions created by the x and y axes. |

absolute value | | The point of intersection of two sides of an angle or figure. |

terminating decimal | | Lines in the same plane that never intersect. |

mode | | The sum of a data set divided by the number of data items. |

hexagon | | A number's distance from zero on a number line. |

median | | The sum of the measures of two angles is 90 degrees. |

prime number | | Has a numerator that is greater than or equal to the denominator. |

scalene | | Formed by two rays with a common endpoint. |

congruent angles | | The likeliness that an event will happen. |

exponent | | A matematical phrase with at least one variable. |

sequence | | When the numerator and denominator have no common factors other than 1. |

corresponding | | A polygon with five sides. |

variable | | A parallelogram with four congruent sides. |