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# 6th Grade 2018 Math

### 6th Grade 2018 SMART Goal Vocab

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

Absolute Value | A number's distance from zero. |

Inequality | A relationship between quantities that are not equal. |

Integer | Negative and positive whole numbers including 0. |

Percent | Parts per 100. |

Ratio | A comparison of two quantities by division. |

Rational Numbers | A number that can be written as a fraction. |

Reciprocal | Flipping the numerator and denominator of a fraction. |

Unit Rate | A quantity of one unit. |

Area | The number of square units needed to cover a surface. |

Nets | A two dimensional figure that can be folded to form a solid. |

Origin | The point where the x and y axis intersect (0,0). |

Polygon | An enclosed, many sided figure with straight lines. |

Prism | Three dimensional figure made up identical ends and flat faces. |

Quadrants | The four regions of the coordinate plane. |

Surface Area | The sum of the areas of the faces of a 3D figure. |

Volume | The number of cubic units contained in a three-dimensional object. |

Distributive Property | Multiply a sum by multiplying each addend separately and then add the products. |

Expression | Numbers, symbols and/or operations grouped together that show the value of something. |

Equation | A number sentence that uses an equal sign. |

Exponent | A number that indicates how many times a number is used as a factor. |

Variable | A letter that takes the place of an unknown number. |

Mean | The average of a set of numbers. |

Median | The middle number when the numbers are arranged from least to greatest in a set of data. |

Mode | The most repeated number. |

Range | The difference between the greatest and the least value in a set of data. |