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# 7 Math Ch. 5

### Fractions, Decimals, and Percents

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

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

common denominator | a common multiple of denominators of two or more fractions |

composite number | a whole number greater than 1 that has more than two factors |

equivalent fractions | fractions that have the same value |

factor tree | a diagram showing the prime factorization of a number / the factors branch out from the previous factors until all of the factors are prime numbers |

greatest common factor | the greatest of the common factors of two or more numbers |

least common denominator | the least common multiple of the denominators of two or more fractions |

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

multiple | the product of a number and any whole number |

percent | a ratio that compares a number to 100 |

prime factorization | expressing a composite number as a product of prime numbers |

prime number | a whole number greater than 1 that has exactly two factors, 1 and itself |

ratio | a comparison of two numbers by division |

rational numbers | numbers that can be written as fractions, including terminating and repeating decimals, and integers |

repeating decimals | a decimal whose digits repeat in groups of one or more |

simplest form | when the greatest common factor of the numerator and denominator is 1 in a fraction |

terminating decimals | a decimal whose digits end |

Venn Diagram | a diagram that uses circles to show how elements among a set of numbers or objects are related |