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# Math

### Math State Vocabulary

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.
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