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# 7th grade Math Vocab

### Math Vocabulary

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

B | represents the area of the base of a solid figure |

better buy | comparing two or more prices, it is the one with the lowest unit rate |

circumference | the perimeter of a circle |

complementary | two angles whose sum is 90 degrees |

dimensions | measurements of 2 & 3 dimensional figures, usually edges |

discount | a deduction taken off original amount |

equation | a mathematical sentence that contains an equals sign |

exponent | represents the number of times the base is multiplied by itself |

expression | a math problem with no equal sign |

mean | the mathematical average of the data |

median | the middle number when data is arranged in numerical order |

mode | the number most repeated in a set of data |

nth term | refers to the position of a number in a sequence |

perimeter | the distance around a closed geometric figure |

proportional | the relationship between two ratios with a constant rate or ratio |

quadrant | the four regions created in a coordinate plane |

range | difference between the greatest and least pieces of data |

relationship | the connection between 2 or more sets of numbers |

rule | the expression that describes the numbers in a sequence or pattern |

sample space | the set of all possible outcomes of a probability experiment |

scale factor | a scale written as a ratio in simplest form |

similar | 2 or more figures that have proportional sides and congruent angles |

square root | a factor that when multiplied by itself equals that number |

supplementary | two angles whose sum is 180 degrees |

terms | each number in a sequence |

unit rate | a rate where the denominator is one unit |

volume | the number of cubic units needed to fill the space occupied by a solid |

x-axis | the horizontal axis in a coordinate plane and represents the independent variable |

y-axis | the vertical axis in a coordinate plane and represents the dependent variable |

area | the number of square units needed to cover a surface of a geometric figure |

Created by:
mlachowsky