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# Math #1-Timm

### RISD math vocab. 1st 9 weeks

Math Vocabulary | Definition |
---|---|

product | the answer to a multiplication problem |

sum | the answer in an addition problem |

difference | the answer in a subtraction problem |

quotient | the answer in a division problem |

divisor | the number used to divide another number |

dividend | the number to be divided in a division problem |

factors | the numbers that are multiplied to get a product |

prime number | a number whose only factors are itself and one |

exponent | a number telling how many times a number is to be used as a factor |

estimate | to get an approximate answer to a problem |

decline | to go down or diminish |

X axis | the orizontal number line on a coordinate grid |

Y axis | the vertical number line on a coordinate grid |

ordered pairs | a pair of numbers used to locate a point on a coordinate grid |

short word form | a number written with both numerals and words |

expanded notation | writing a number to show the value of each digit |

standard form | a number written with commas separating groups of three numbers |

median | the middle number in data that is arranged in order from least to greatest |

mean | the average; the sum of numbers in a set divided by the number of addends |

mode | the number found most frequently in a set of data |

range | the difference between the greatest number and the least number in a set of data |

data | facts, figures, or information that is gathered |

tally | a mark made to keep score or count |

frequency | how often a number appears in a set of data |

pictograph | a graph that used pictures or symbols to represent numbers |

histogram | a bar graph showing frequency of data |

stem and leaf plot | a display that shows data in order of place value |

line graph | a graph that uses lines to show change |

double bar graph | a graph that uses pairs of bars to compare information |

frequency table | data arranged on a table to show how often events occur |

numerator | the number above the fraction bar |

denominator | the number below the fraction bar |

mixed number | a number that includes a whole number and a fractional part |

equivalent fraction | fractions that name the same fractional number |

improper fraction | a fraction where the numerator is greater than or equal to the denominator; naming a number of one or more |

variable | a symbol used to represent numbers in an expression |

expression | a mathematical phrase made up of a combination of variables, numbers and/or numbers and operations |

equation | a mathematical sentence which states that 2 expressions are equal |

Created by:
sgrubb