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# 5th grade

### Number and Operations- Fractions

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

fraction | A fraction is a part of a whole. |

equivalent fractions | Fractions whose numerators and denominators are in the same ratio respectively. All equivalent fractions can be reduced to the same simple fraction. |

addition | Join or put together two or more quantities. |

sum | The total amount after addition of numbers. |

subtraction | To take one number away from another. |

difference | The result of subtracting one number from another |

unlike denominator | Two fractions where denominators are not identical or similar. |

denominator | The divisor of a fraction. The "bottom" number in a fraction that shows how many equal parts the item is divided into. |

numerator | The top number in a fraction. |

benchmark fraction | Common fractions that you can judge other numbers against. |

estimate | Approximate calculation or round the number to the nearest place value. |

mixed numbers | A number that is made up of a whole number and a fraction. |

multiplication | The basic idea of multiplication is repeated addition. |

division | The opposite operation of multiplication that separates items or values into equal parts, with or without a remainder |

product | The answer when two or more numbers are multiplied together. |

quotient | The answer after you divide one number by another dividend ÷ divisor = quotient |

partition | Divide a whole into equal parts. |

equal parts | Division resulting in identical parts. Having the same portion, division, piece, or segment of a whole. |

factor | Factors are numbers you can multiply together to get another number: Example: 2 and 3 are factors of 6, because 2 × 3 = 6. |

unit fraction | A fraction where the top number (the "numerator") is 1 |

area | The size of a surface. The amount of space inside the boundary of a flat (2-dimensional) object such as a triangle or circle. |

side lengths | The measure of the segment joining two adjacent vertices in a figure. |

scaling | Act of measuring or arranging or adjusting according to a scale. |