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# OAA Review

TermDefinition
area The amount of square units covered by a two dimensional figure.
congruent To have equal side lengths and equal angle measures.
prism A polyhedron with two congruent and parallel polygon-shaped faces.
rectangular prism A polyhedron with two congruent and parallel rectangular-shaped faces.
surface area The total area of the outer part of a three dimensional object.
pyramid A polyhedron whose base can be any polygon and whose faces are triangles.
volume The amount of three dimensional space an object occupies.
cube A box-shaped solid object that has six identical square faces.
cubic units A unit for measuring volume. It is the amount of three dimensional space an object occupies with each edge ONE unit long.
three dimensional An object that has length, width, and depth.
scalene triangle a triangle with no equal sides.
isosceles triangle a triangle that has exactly two equal sides.
scale factor The ratio used to enlarge or reduce an object creating similar figures.
scale drawing A drawing that uses a scale to make an object smaller or larger than the actual object.
inverse operation The operation that reverses the effect of another operation.
expression Contains variables, numbers, and operations. It does not contain and equal sign.
equation A mathematical sentence that shows two expressions are equal.
Order of Operations Evaluate expressions in the following order: parenthesis, exponents, multiplication, division, addition, then subtraction.
solution A number that makes an equation true when it is substituted for the variable.
inverse The operation that reverse the effect of another operation.
discount A deduction from the usual cost of something.
sales tax A rate in which a state or local government require on the retail sale of specified property or services.
tip An amount left voluntarily beyond obligation usually for some service.
markup The amount added to the cost price of goods to cover overhead and profit.
retail price The total price charged for a product sold to a customer, which includes the manufacturer's cost plus retail markup.
Created by: Mrs Ott