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# Rational Numbers

### Vocabulary for Rational Numbers Unit Grade 7

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

Absolute Value | A term used to describe the distance between a number and zero. |

Additive Inverse Property | The property that states that a number and its opposite have a sum of zero. |

Associative Property | The property that states that you can change the grouping of numbers being added or multiplied without changing the results |

Commutative Property | The property that states you can change the order of numbers being added or multiplied without changing the result. |

Decimals | Numbers that represent part of a whole and use the base ten system. |

Fractions | Numbers that represent part of a whole and consist of a numerator and denominator. |

Identity Property of Addition | The property that states that the sum of a number and zero will be equal to that number. |

Integers | All positive and negative whole numbers and zero. |

Negative Integers | All whole numbers that are less than zero. |

Opposites | Two numbers that are on different sides of zero, but are the same distance away from zero. Also called additive inverses. |

Positive Integers | All whole numbers greater than zero. |

Rational Numbers | Any number that can be written as a fraction, where numerator and denominator are both integers and denominator does not equal zero. Also any number that can be written as a terminating or repeating decimal. |

Complex Fraction | A fraction that is composed of a rational number or expression in the numerator and/or denominator. |

Dividend | The term used to describe the value in a division problem that is being divided; also identifies the numerator of a fraction. |

Divisor | The term used to describe the value in which another number is to be divided; also identifies the denominator of a fraction. |

Factor | The term used to describe the values in a multiplication problem that are being multiplied together. |

Identity Property of Multiplication | The property that states that a number times one is equal to that number. |

Inverse Property of Multiplication | The property that states that a number times its reciprocal is equal to one. |

Order of Operations | A universal set of rules that are used and followed when an expression consists of more than one operation. |

Product | The term used to describe the answer to a multiplication problem. |

Quotient | The term used to describe the answer to a division problem. |

Reciprocal | The multiplicative inverse of a number; also the "flip" of a fraction where the numerator and denominator "switch positions". |

Zero Product Property | The property that states that any number times zero is equal to zero. |

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