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# Unit 1 Vocabulary

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

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

Additive Inverse | the opposite of a number |

Associative Property | the property that says that the sum or product of three or more numbers is always the same |

Commutative Property | two or more numbers that can be added or multiplied in any order without changing the sum or product |

Complex fraction | a fraction that contains one or more fractions in the numerator |

Distributive Property | a property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses |

Dividend | the number that is being divided |

Divisor | the number you divide by |

Equivalent | equal in value |

Equivalent Fraction | fractions that have the same value |

Estimate | to form an approximate calculation |

Evaluate | to determine the value of a numerical or algebraic expression |

Horizontal | side to side |

Identity Property | the sum of any number and 0 is that number; the product of 1 and any number is that number |

Integers | the set of whole numbers and their opposites |

Inverse Operations | operations that undo each other (addition/subtraction) (multiplication/division) |

Order of Operations | the set of rules that are followed when evaluating expressions |

Product | the answer to a multiplication problem |

Quotient | the answer to a division problem |

Rational Number | a number that can be written as a fraction or decimal |

Reciprocal | a number that when multiplied by another number results in 1 |

Repeating Decimal | a decimal that repeats a digit (or group of digits) forever |

Signed numbers | numbers with a positive or negative sign |

Sum | the answer to an addition problem |

Terminating Decimal | a decimal number that ends or terminates |

Vertical | up and down |

Zero Pair | a set of two opposite numbers that equal 0 when combined |