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# M.4.2.1 Vocabulary

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

Unit fraction | a fraction with a numerator of one; names one part of the whole |

improper fraction | a fraction whose numerator is greater than its denominator |

proper fraction | a fraction that is less than one, with the numerator less than the denominator |

sum | the result to adding numbers or quantities together; the answer to an addition problem |

difference | the amount left over when one number is subtracted from another; the answer to a subtraction problem |

fraction | a number that names part of a whole or set and represents division of whole numbers |

numerator | in a fraction, the number of parts counted; top number |

denominator | in a fraction, the number of equal parts or groups in the whole; bottom number |

whole | all parts are present; a complete object or group |

equivalent | having the same value |

decompose | to separate a number into two or more parts |

mixed number | number that is made up of a whole number and a proper fraction |

simplest form | when a fraction's numerator and denominator have no other common factor than 1 |

equal to | having the same overall value |

greater than | the relationship between numbers when one number's value is more than another number's value |

less than | the relationship between numbers when one number's value is less than another number's value |