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# May 21 math vocab

### math vocab review

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

evaluate | to find the value of an expression |

expression | a group of one or more numbers, unknowns, and/or operation symbols that represents a quantity example: 3 x 4 |

ordered pair | a pair of numbers, (x,y), that describes the location of a point in the coordinate plane, where the x-coordinate gives the pointâ€™s horizontal distance from the origin and the y-coordinate gives the pointâ€™s vertical distance from the origin |

origin | the point (0,0) on the coordinate plane where the x-axis and y-axis intersect |

x-axis | the horizontal number line in a coordinate plane |

y-axis | the vertical number line in a coordinate plane |

regular polygon | a polygon with all sides of equal length and all angles equal measures |

area | the amount of space inside a closed two-dimensional figure; area is measured in square units |

equation | a mathematical statement that uses an equal sign (=) to show that two expressions have the same value |

mixed number | a number with a whole number part and a fractional part |

multiples | any given number times every other number |

sum | the answer in an addition problem |

product | the answer in a multiplication problem |

quotient | the answer in a division problem |

difference | the answer in a subtraction problem |

common denominator | a number that is a common multiple of the denominators of two or more fractions |

exponent | the number in a power that tells how many times to use the base as a factor in repeated multiplication |

equivalent fractions | two or more different fractions that name the same part of a whole or the same point on a number line |

base (of a power) | in a power, the number that is used as a repeated factor |

base ten | a ten-digit number system in which the value of a digit depends on its place; the value of each place is 10 times the value of the place to the right and 1/10 of the value of the place to the left |