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# 5th Grade Math Vocab

### These words are from lists 3 and up.

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

scale (of graph) | numbers along the side and/or bottom of graphs |

unit square | answer to an area problem |

area | inside of an object or how much area is covered |

perimeter | distance or total length around an object |

rhombus | quadrilateral where all 4 sides are the same length |

quadrilaterals | any polygon with exactly 4 sides |

formula | a set way to solve a math problem |

estimation | using what you know to find the best possible answer |

multiples | basically an answer to a multiplication fact |

prime | whole numbers that can only be created by multiplying 1 and the number |

composite | multiply to get a number with using more than 1 and the number |

sequence | things that occur in a special order |

reciprocal | the flip of a fraction |

equation | algebra problem with an equal sign |

equivalent fractions | fractions that look different but are the same amount |

mixed number | a fraction with a whole number |

improper fraction | bigger numerator than denominator |

decimal | same as a fraction, breaks 1 whole into many smaller units |

tenths | decimals equal to 10 units of a whole |

hundredths | decimals equal to 100 units of a whole |

pound | measure of mass equal to the weight of a small bottle of soda |

ounce | measure of mass equal to the weight of a single slice of bread |

conversion | to change |

table | a type of graph or list of numbers |

line plot | a way to keep track of data |

angle | space between 2 intersecting lines measured in degrees |

ray | a line that only goes 1 way |

endpoint | a point ends a line |

degrees | used to measure the space between an angle |

protractor | tool to measure angles |

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