Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Unit 1

### Rational Number Operations

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

opposites | Two numbers that lie the same distance from 0 on the number line but in opposite directions (-1, 1) |

additive inverse | The additive inverse of any number x is the number that gives zero when added to x (5, -5 |

integers | All whole numbers and their opposites |

absolute value | The distance of a number from zero on a number line. |

zero pair | a pair of numbers whose sum is zero |

difference | Solution to a subtraction problem |

sum | Solution to an addition problem |

inverse operations | Operations that undo each other (+, -) |

numerator | The number above the fraction bar that indicates the number of parts of the whole there are in a rational number |

denominator | The number below the fraction bar that indicates how many parts the whole is divided into |

terminating decimal | While expressing a fraction into a decimal by the division method, if the division comes to an end after a finite number of steps, then such a decimal is a Terminating Decimal. Examples : 1⁄4 = 0.25 |

repeating decimal | A digit or a set of digits in the decimal part is repeated continuously. Example: 5⁄6 = 0.8333.... |

rational number | Any number that can be expressed as a ratio of two integers. |

least common multiple | The smallest positive number that is a multiple of two or more given numbers. |

trigger words | Words or Phrases that tell you to do a certain mathematical operation such as addition or subtraction |

Created by:
Mrs Ott