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# Ch.4/fract/dec/perc

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

Prime number | Numbers with only 2 factors, 1 and number itself |

Composite | Numbers with three or more factors |

Prime factorization | All composite numbers derive from prime numbers |

Factor tree | A tree used to find the prime factors of composite numbers |

Equivalent fractions | Two fraction that have the same value |

Simplest form | A fraction is in simplest form when the GCF is one |

Numerator | Number of shaded parts |

Denominator | Total number of parts of the whole fraction |

Terminating decimal | A decimal whose digits end. |

Repeating decimal | A decimal with a pattern the digits repeat forever. |

Bar notation | A line above the repeating digits to indicate the pattern repeats. |

Ratio | A comparison of quantities by division |

Percent | A ratio that compares a number to 100 |

least common multiple | Two or more numbers Is the least of their common multiples ,excluding zero |

Rational numbers | A number that can be expressed as a fraction.fractions,terminating and repeating decimals, percents and integers are rational numbers |

Common denominator | Common multiples of two or more denominators(bottom number)of a fraction |

Least common denominator | Is the least common multiple of the denominators (bottom numbers) of a fraction |

Created by:
Rothelladamd