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# 5th Grade Math vocab

### Key vocabulary words for 5th grade year in math

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

What is a right triangle? | a triangle that has one right angle |

What does the prefix "milli-" mean? | one-thousandth |

What is the symbol for a ray? | → |

What is the symbol for perpendicular lines? | ⊥ |

What does it mean if two shapes are similar? | same shape, different size |

What is a protractor? | a tool used to measure the size of an angle |

What is an isosceles triangle? | a triangle that has at least 2 equal sides |

What is a vertex? | the point where two rays on an angle meet |

What is the meaning of the prefix "kilo-"? | 1,000 |

What is the meaning of the prefix "centi-"? | one-hundreth |

What is a scalene triangle? | A triangle that has no equal sides. |

What is an equilateral triangle? | A triangle with three equal sides |

What does it mean if shapes are congruent? | same size and shape |

What is the symbol for parallel lines? | || |

What is the symbol for an angle? | ∠ |

Created by:
hewittl