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# 6th CCSSM # SYSTEM

### 6th CCSSM NUMBER SYSTEM - COMPLETE

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

reciprocal | The _________________ of a number is: 1 divided by the number |

multi-digit | Having more than one digit |

rational numbers | A number that can be made by dividing two integers. (Note: integers have no fractions.) The word comes from "ratio". Examples: 1/2 (1 divided by 2, or the ratio of 1 to 2) ;0.75 (3/4), 1 (1/1); 2 (2/1); 2.12 (212/100); −6.6 (−66/10) |

multiplicative inverses | Another name for Reciprocal, What you multiply by a number to get 1 . |

visual fraction model | A tape diagram, number line diagram, or area model. |

greatest common factor | greatest number that is a factor of each of two or more given numbers |

least common multiple | the smallest nonzero number that is a common multiple of two or more numbers considered |

prime numbers | A whole number greater than one that can be divided evenly only by 1, or itself. |

opposites | Two integers are _______________ if they are each the same distance away from zero, but on opposite sides of the number line |

composite numbers | A whole number that can be divided evenly by numbers other than 1 or itself |

absolute value | How far a number is from zero. Example "6" is 6 away from zero, but "−6" is also 6 away from zero. |

relatively prime | Two numbers are ________________ when they have no common factors other than 1. In other words you cannot evenly divide both by some common value. |

> | greater than |

factors | numbers we can multiply together to get another number |

< | less than, |

multiples | The result of multiplying a number by an integer (not by a fraction) |

≥ | greater than or equal to |

distributive property | the property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products; it says that if a, b, and c are real numbers, then: a x (b + c) = (a x b) + (a x c) |

≤ | less than or equal to |

prime factorization | all of the prime numbers that multiply to create the original number |

origin | The starting point: On a number line it is 0; On a two-dimensional graph it is where the X axis and Y axis cross, marked (0, 0) In three dimensions it is the point (0, 0, 0); Often written as the letter O. |

quadrant | Any of the 4 areas made when we divide up a plane by an x and y axis |

coordinate plane | The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin |

ordered pairs | Two numbers written in a certain order, Usually written in parentheses like this: (4,5) Can be used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second. |

x-axis | The line on a graph that runs horizontally (left-right) through zero |

y-axis | The line on a graph that runs vertically (up-down) through zero. |

coordinates | In a two-dimensional coordinate plane, these are the pairs of numbers which specify the position or location of a point or of an object. |