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# OAA Review

Term | Definition |
---|---|

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