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# Pre-Algebra Ch. 5

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

bar notation | in repeating decimals, the line or bar placed over the digits that repeat |

common multiples | multiples that are shared by two or more numbers |

dimensional analysis | the process of including units of measurement when computing |

least common multiple | the least of the nonzero common multiples of two or more numbers |

mean | the sum of the data divided by the number of items in the data set, also called the average |

measure of central tendency | for a list of numerical data, the numbers that can represent the whole set of data |

median | in a set of data, the middle number of the ordered data, or the mean of the middle two numbers |

mixed number | the indicated sum of a whole number and a fraction |

mode | the number or numbers that occur(s) mot often in a set of data |

multiple | the product of a number a whole number |

multiplicative inverses | two numbers whose product is 1 |

rational number | a number that can be written as a fraction in the form a/b, where a and b are integers and b cannot be equal to 0 |

reciprocals | another name for multiplicative inverses |

repeating decimals | a decimal whose digits repeat in groups of one or more without end |

terminating decimal | a decimal whose digits end and can be written as a fraction with a denominator of 10, 100, 1000, and so on |

Created by:
Miss Brinkoetter