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# math vocabulary 1st

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

An equation stating that two ratios or rates are equivalent. | proportion |

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

A mathematical language that uses symbols, using letters, along with number. The letters stand for unknown numbers. | algebra |

The number of square units needed to cover the enclosed (inside) surface. | area |

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

The sum of the numbers in a set of data divided by the number of pieces of data. | mean |

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

A customary unit of length equal to three feet, of 36 inches. | yard |

The rules that tells witch operation to use first when more than one operation is used (pemdas). | order of operations |

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

A parallelogram with all sides congruent. | Rhombus |

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

The numbers or items that appear most often in a set of data. | mode |

In a power, the number of times the based is used as a factor. | exponet |

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

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

The distance around a circle. | circumference |

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

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

Having the same value ........ for instance, fractions that have the same number. | equivalent |

The sum of a whole number and a fraction. | mixed number |

Any two numbers that have the product of one. | reciprocals |

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

An angle that measures greater than 90 degrees, but more than 180 degrees. | obtuse angle |

A comparison of two qualities by division. | ratio |

Numbers that have digits in the tenths, hundredths, and thousandths place and beyond. | decimals |

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

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

A pair of number used to locate a point in the coordinate system. | ordered pair |