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# Math Vocab

### middle school math vocabulary

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

absolute value | the distance from the number zero on the number line |

more than | add |

less than | subtract |

equation | mathematical sentence with an equal sign (=) |

order of operation | Parentheses, Exponents, Multiplication, Division, Addition, Subtraction |

product | multiply |

sum | the answer from adding numbers |

ascending | going up, growing in number |

descending | going down, lessening in number |

variable | a letter or number that stands in for an unknown part of a problem |

decimal system | a system based on TEN |

equivalent | equal; the same |

factor | a whole number that divides exactly into another number; 5 is a factor of 10 |

greater than | MORE than |

less than | SMALLER than |

rational number | a number that can be written as a fraction |

standard form | The usual form for representing numbers. |

improper fraction | a fraction where the numerator (number on top) is larger than the denominator (number on bottom) |

square root | A number that can be multiplied by itself to equal a given number. |

independent event | The probability of one event happening without impacting another event. |

scientific notation | A way to express very large and very small numbers using a power of ten. |

dependent event | The probability of one event happening that affects another event. |

inequality | A mathematical sentence including <, >, <, and >. |

irrational number | a number that does not terminate |

compound probability | The probability of the first event multiplied by the probability of the second event. |

sum | answer to an addition problem |

difference | answer to a substraction problem |

quotient | answer to a division problem |

perimeter | distance around an object |

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