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# chapter 1 review m

### test prep

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

absolute value | the absolute value of a number is the number of spaces away from 0 it is on the number line. |

additive inverse | if you save 8$ and then you spend 8$ you are back where you started. |

associative property addition | changing the group of add ins doent chang the answer. |

associative property multiplication | changing the group of factors doent change the answer. |

commutative property of addition | changing the order of addends doesn't change the answer. example: 1.2+3.4=3.4+1.2 |

commutative property multiplication | changing the order of the factors doesn't change the answer. |

compatible numbers | numbers that are easy to cumpute mentally. simply change the numbers in the problem problem to make the calcuaions easyer. |

distributive property | It is used to multiply a single term and two or more terms inside a set of parentheses. |

identitive property of multiplication | anything times 1 is itself. |

identitive property of addition | anything plus one 0 is itself. |

integers | negative and positive whole numbers and 0. |

mean | adding the total and dividing by how many numbers there are. |

median | the middle number. |

mode | the number that occurs most often. |

opposites | numbers that are the same distance from the number line but going opposite directions. |

order of operations | 1. work inside grouping symbols. 2 multiply and divide in order from left to right. 3 add and subtract in order from left to right. |

outlier | a data item that is much higher or much lower than other items in a set of data. an it can greatly affect the mean of a set of data. |

range | the differance between the greatest and least of values. |

zero property | the product of 0 and any number is 0. |

Created by:
jack knowles