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# Essential vocab

### 7th grade math essential vocabulary

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

The distance of a number from zero on a number line | Absolute Value |

A graph that displays the highest and lowest quarters of data as whiskers, the middle two quarters of the data as a box, and the median | Box and Whisker Plot |

The number that is multiplied by a variable in an algebraic expression | Coefficient |

A value that does not change | Constant |

Matching angles of two or more polygons | Corresponding Angles |

Matching sides of two or more polygons | Corresponding Sides |

the intersection of a figure in 2-dimensional space with a line, or of a body in 3-dimensional space with a plane | Cross-section |

Volume of the solids is measured in? | cubic unit |

The sum of successive data items listed according to the number of times the item occurs | cumulative frequency table |

A table of ordered pairs that represent solutions of a function | function table |

A mathematical sentence that shows the relationship between quantities that are not equivalent | inequality |

The set of whole numbers and their opposites | integer |

The amount of money charged for borrowing or using money, or the amount of money earned by saving money | interest |

The difference between the upper and lower quartiles in a box-and-whisker plot | interquartile range |

Operations that undo each other; | inverse operations |

The least number in a set of data | lower extreme |

The sum of the items in a set of data divided by the number of items in the set; also called the average | mean |

An arrangement of two-dimensional figures that can be folded to form a polyhedron | net |

A value much greater or much less than the others in a data set | outlier |

The amount stated as a percent that a number increases or decreases | percent of change |

A square of a whole number, 49, 25, 81 | perfect square |

The initial amount of money borrowed or saved | principle |

Three values, one of which is the median, that divide a data set into fourths | quartile |

The ratio used to enlarge or reduce similar figures | scale factor |

Figures with the same shape but not necessarily the same size | similar |

The sum of the area of the faces, of a three dimensional figure | surface area |

A rate in which the second quantity in the comparison is one unit | unit rate |

The greatest number in a set of data | upper extreme |

The number of cubic units needed to fill a given space | volume |

Created by:
jsshepherd3