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# Math Voca

### Math Vocab-Mrs. Kranau

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

acute angle | an angle that measures less than 90 degrees |

addition | the operation used to combine; inverse operation of subtraction |

area | l x w; length times width |

bar graph | a graph that shows data; compares data |

circle | a 2D shape made from a single curved line; 360 degrees |

cone | a 3D figure shaped like a party hat |

denominator | the number of equal parts in a fraction; bottom number of a fraction |

difference | the answer to a subtraction problem |

dividend | the number that is being split in a division problem |

division | the operation that splits things into equal groups |

divisor | the number of groups you are making while dividing |

edge | where two faces meet on a 3D figure |

equilateral | lines of the same length |

equivalent | equal to |

face | 2D shapes that make up the surfaces of a 3D figure |

factors | numbers you multiply to get a product |

fraction | part of a whole; could have a proper one or improper one |

greater than | > |

hexagon | 6-sided figure |

isosceles triangle | a triangle with 3 angles less than 90 degrees but also have only 2 congruent sides |

less than | < |

line symmetry | a shape has this if it is congruent on both sides |

multiplication | the operation where you combine groups; inverse of division |

numerator | the number of shaded parts in a fraction; top number of a fraction |

obtuse angle | angle measuring more than 90 degrees |

octagon | 8-sided figure |

parallel | two lines that are always an equal distant apart |

parallelogram | shape with 2 sets of parallel lines and no right angles |

pentagon | 5-sided figure |

perimeter | the distance around a shape |

perpendicular | intersecting to form at least one 90 degree angle |

polygon | a closed figure with three or more straight sides |

probability | the likelihood something will happen |

product | the answer to a multiplication answer |

pyramid | 3D figure named by its base and triangular faces |

quadrilateral | any 4-sided polygon |

quotient | the answer to a division problem |

ray | half of a line, starts at one point and goes on forever; it has only one end point |

rectangle | quadrilateral with two sets of parallel, equilateral sides, and 4 right angles |

reflection | transformation flip |

remainder | what is left over after you make even groups dividing |

rhombus | quadrilateral with 4 equilateral sides with no right angles |

right angle | an angle measuring 90 degrees |

rotation | transformation turn |

sphere | 3D object with all points equidistant from the center |

subtraction | operation where you separate; inverse operation of addition |

sum | answer to an addition problem |

translation | transformation slide |

Created by:
ypkranau