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# Math Vocab (6th)

### Math Vocabulary Lessons 1-20, Inv 1 & 2

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

Commutative Property of Addition | changing the order of the addends does not change the sum (4+3 or 3+4) |

Identity Property of Addition | The sum of any number and 0 is equal to the initial number. (4+0=4) |

Identity Property of Multiplication | the product of any number and 1 is equal to the initial number (8x1=8) |

Zero Property of Multiplication | if zero is a factor in multiplication, the product is 0 |

Associative Property of Addition | The grouping of addends does not affect their sum |

variable | a symbol (usually a letter) that represents a number that is not given (unknown) |

counting numbers | number used to count (1,2,3,4...) |

whole numbers | members of the set (0,1,2,3,...) |

Integers | set of counting numbers, their opposites, and zero |

mean | average |

prime number | counting numbers that have exactly 2 factors: itself and 1 |

histogram | method of displaying a range of data. A special type of bar graph that displays data in intervals of equal size with no space between bars |

line | a straight collection of points extending in opposite directions without end |

ray | a part of a line that begins at a point and continues without end in one direction |

segment | a part of a line with two distinct points |

perimeter | the distance AROUND a closed, flat shape |

minuend | a number from which another number is subtracted (first number in a subtraction problem) |

subtrahend | a number that is subtracted (second number in a subtraction problem) |

dividend | the number that is divided |

divisor | the number by which the dividend is divided |

quotient | the answer to a division problem |

difference | the result of subtraction |

addends | numbers that are added together |

sum | the result of addition |

product | the result of multiplication |

Created by:
slheard