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# Math Vocab Ch1

### Math vocabulary

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

net value | The value you get after adding or subtracting |

Additive Inverse | opposite of a number |

rational numbers | rational numbers are all integers, fractions, repeating decimals and terminating decimals |

integers | a positive number, a negative number or zero but not a fraction or a decimal fraction. |

simplify | put in smallest form |

evaluate | solve and use substitution if necessary |

mean | the mean is the total of all the scores or amounts,divided by, how many scores or amounts there were |

average | Often the word average refers to the mean |

order of operations | The order in which to perform operations when evaluative expressions with more than one operation |

associative property | Change the groupings of addends or factors does not change the sum or product |

commutative property | Changing the order of addends or factors does not change the sum or product |

fraction | any part of a group, number or whole. |

decimals | a number written using the base 10 value system; a number separates the whole from the part (fraction) |

equation | a mathematical statement containing an equals sign |

absolute value | the distance the number is from zero on the number line, never negative |

opposite | two numbers having the same numeral but different signs. |

product | answer to a multiplication problem |

sum | answer to an addition problem |