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# Math Rev4th6wk

### Math Vocab Cards

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

Exponential Notation | A way to use exponents making the answer shorter. |

Exponent | In a power, the number of times the base is used as a factor. |

Prime | A whole number that has exactly two unique factors, 1 and the number itself. |

Composite | A number greater than 1 with more than two factors. |

PEMDAS | How to remember Order of Operations: Please Excuse My Dear Aunt Sally. |

Area | the number of square units needed to cover the surface enclosed by a geometric figure. |

Parallelogram | A quadrilateral that has both pairs of opposite sides congruent and parallel. |

Rhombus | A parallelogram with all sides congruent. |

Trapezoid | A quadrilateral with one pair of opposite sides parallel. |

Radius | The distance from the center of a circle to any point on the circle. |

Estimate | Round; get a number close to the exact number. |

Estimate | Round; get a number close to the exact number. |

Estimate | Round; get a number close to the exact number. |

Percent | A ration that compares a number to 100. |

Equivalent | Having the same value. |

Simplification | Done by dividing the numerator and denominator by the same number to yield an equivalent fraction. |

Prime | A whole number that has exactly two unique factors, 1 and the number itself. |

Quadrilateral | A closed figure with 4 sides |

Congruent | Same size, same shape. |

Parallel | Lines on the same plane that never intersect. |

Adjacent | Two sides of a polygon that have a common vertex. |

Probability | The chance that some event will occur. |

Zero Probability | An event that could never happen. |

Experimental Probability | A probability that is found by doing an experiment |

Theoretical Probability | A probability based on what should happen under perfect conditions. |

Probability of One | An event that is sure to happen. |

Trial | The action in an experiment. |

Created by:
Mrs.ClarksClass