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# Math

### Math State Vocabulary

Question | Answer |
---|---|

Formula | A rule showing relationships among quantities |

Order of Operations | A rule for evaluating expressions. First perform the operations in parentheses, then compute powers and roots, then perform all multiplication and division from left to right, then perform all addition and subtraction problems from left to right. |

Evaluate | To Find the value of a numerical or algebraic expression |

Algebraic expression | an expression that contains at least one variable |

Equation | the mathematical sentence that shows that two expressions are equivalent |

Divisibility | Capacity of being evenly divided, with no remainder. |

Prime | a whole number greater than one that has exactly two factors |

Composite | a number greater than 1 that has more than two whole number factors. |

Prime Factorization | a number written as the product of its prime factors. |

Simplify | to write a fraction or expression in simplest terms |

Reciprocal | one of two numbers whose product is 1 |

Mean | The sum of the items in a set of data divided by the number of items in the set, also called average. |

Median | The middle number or mean of the two middle numbers in an ordered set of data. |

Mode | the number or numbers that occur most frequently in a set of data |

Stem and Leaf Plot | a graph used to organize and display data so that the frequencies can be compared |

Degrees | the unit of measure for angles or temperature |

Obtuse triangle | triangle containing one obtuse angle. |

Right Triangle | triangle containing one right angle. |

Acute Triangle | Triangle whose angles measure less than 90°. |

Equilateral Triangle | Triangle with equal sides and equal angles. |

Scalene Triangle | triangle with no congruent sides |

Isosceles Triangle | triangle with at least 2 congruent sides |

Parallelogram | a quadrilateral with two pairs of parallel sides. |

Rectangle | a parallelogram with four right angles. |

Rhombus | a parallelogram with all sides congruent. |

Square | a parallelogram with four congruent sides and four right angles. |

Quadrilateral | four sided polygon. |

Trapezoid | a quadrilateral with exactly one pair of parallel sides. |

Polygon | a closed plane figure formed by three or more line segments that intersect only at their endpoint. |

Regular Polygon | polygon with congruent sides and angles. |

Transformation | change in size or position of a figure. |

Translation | movement (slide) of a figure along a straight line. |

Reflection | transformation of a figure that flips the figure across a line. |

Rotation | a transformation in which a figure is turned around a point. |

Ratio | a comparison of two quantities by division. |

Proportion | an equation that states that two ratios are equivalent. |

Scale drawing | a drawing that uses a scale to make an object proportionally smaller or larger than a real object. |

Percent | a ratio comparing a number to 100. |

Coordinate Plane | a plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis. |

Net | an arrangement of two-dimensional figures that can be folded to form a polyhedron. |

Polyhedron | a three dimensional figure in which all of the surfaces or faces are polygons |

Volume | the number of cubic units needed to fill a given space. |

Probability | the measure (0% to 100%) of how likely an event is to occur. |

Simulation | a model of an experiment, often one that would be too difficult or too time-consuming to actually perform. |

Tree diagram | a branch diagram that shows all possible combinations or outcomes of an event. |

Function | an input-output relationship that has exactly one output for each input. |

Conjecture | opinion or judgment based on data. |

Odds (of an event) | a comparison of favorable outcomes and unfavorable outcomes. |

Random | having no specific pattern. |

Interval | the space between marked values on a number line or the scale of a graph. |

Statistics | the science that deals with the collection, classification, analysis, and interpretation of numerical facts or data. |

Biased Sample | a large set of data that is used to make predictions in which some members of the population are more likely to be included than others. |

Created by:
carrabba