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# Rational # Vocab

### 7th grade Math Number System Lesson 1-4

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

Absolute Value | The distance of a number to its origin on a number line, |n| |

Additive Inverse | The opposite of a number |

Integer | A positive number, a negative number, or zero, but not a fraction or decimal |

Irrational Numbers | A number that cannot be written as a fraction |

Opposite Numbers | Two numbers that have the same numeral, but have opposite signs |

Quantity | An amount that can be counted |

Rational Numbers | A number that a can be written as a ratio |

Zero Pair | A pair of numbers whose sum is zero |

Decimal | a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point. |

Product | the result of a multiplication problem |

Quotient | the result of a division problem |

Terminating Decimal | a decimal with a finite number of digits |

Repeating decimal | a decimal fraction in which a figure or group of figures is repeated indefinitely |

Equivalent | equal in value |