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# Math Vocabulary

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

Proportion | An equations stating that two ratios or rates are equivalent. |

Origin | The point of intersection of the x-axis and the y-axis in a coordinate system. |

Algebra | A mathematical language that uses symbols, usually letter, along with #.The letters stand for unknown #. |

Area | The # of square units needed to cover the enclosed (inside) surface. |

Equation | A mathematical sentence that contains an (=) sign. |

Mean | the sum of the # in a set of data divided by the # of pieces of data. |

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

Yard | A customary unit of length equal to 3 feet, or 36 in. |

Order of operations | The rule that tell which operation to perform first when more than one operation is used. |

Diameter | The distance across a circle through the center. |

Rhombus | A parallelogram with all sides congruent. |

Quadrent | One of the four regions in a coordinate plane separated by an x-axis and a y-axis. |

Mode | The # or item that appear most often in a set of data. |

Perimeter | The Distance AROUND any closed geometric figure. |

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

Variable | A symbol, usually a letter, used to represent a number. |

percent | A ratio that compares a number to 100. |

circumference | The distance around a circle. |

Foot | A customary unit of length equal to 12 inches. |

median | The middle number in a set of data when the data are arranged in numerical order.If the data has an even number, the two middle # are added together and then divided by 2. |

Equivalent | Having the same value....for instance, fraction that have the same #. |

mixed numbers | The sum of a whole number and a fraction...for instance 1 1/2 2 1/2. |

Reciprocal | Any 2 # that have the same product of 1. |

Chord | A segment with endpoints that are on a circle. |

Obtuse angle | An angle that measures greater than 90 degrees, but less than 180 degrees. |

Ratio | A comparison of 2 quantities by division....for instance, 3:4 or 3/4 |

Decimals | # that have digits in the tenths, hundredths,thousandths place and beyond. |

Outlier | A value that is much higher or much lower than the other values in a set of data. |

improper fraction | A fraction that has a numerator that is greater than or equal to the denominator. |

Ordered pair | A pair of # used to locate a point in the coordinate system. |

Created by:
townsleya111504