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# Math STAAR Part 2

### words for the 5th math STAAR

Question | Answer |
---|---|

Prime factorization | factors of a number that are all prime |

Prime numbers | numbers that only have one and itself as factors |

Factors | numbers that divide into a whole number with no remainder |

GCF | greatest common factor |

Improper Fraction | a fraction with a numerator larger than the denominator. Simplify! |

Reflection | mirror image of a figure |

Rotation | move around (like in “four square” game) |

Translation | slide (horizontally, vertically, or diagonally) |

Line of Symmetry | a line that divides a figure into two mirror images |

Congruent | shapes having the same size and same shape |

Prism | A 3D solid with two congruent bases |

Circumference | the distance around a circle |

Diameter | the distance across the middle of the circle |

Radius | Half the diameter |

Equation | a number sentence using an equal sign |

Pyramid | a 3D solid with a polygon as its base and triangular faces that meet at the top |

Acute angle | angle that is less than a right angle (less than 90 degrees) |

Obtuse angle | angle that is more than a right angle (greater than 90 degrees) |

Right angle | square angle (equal to 90 degrees) |

Perpendicular lines | lines that cross and form a right angle |

Parallel lines | lines that do not cross each other, they stay the same distance apart |

Whole numbers | 0, 1, 2, 3, 4, 5........ |

Average | The answer when numbers are added and then divided by the number of addends |

Sum | answer to addition |

Created by:
cwadley