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# Integers

### Math 7 Chapter 2 Vocabulary

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

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

integer | Any number from the set of zero and positive and negative whole numbers. |

graph (on a coordinate plane) | To locate a point's position by drawing a dot at the location of its ordered pair. |

opposite | The sum of a number and its __________ is zero. |

x-coordinate | The first number of an ordered pair. It corresponds to a number on the horizontal axis. |

y-coordinate | The second number of an ordered pair. It corresponds to a number on the vertical axis. |

graph (on a number line) | To draw a point as a dot on a number line at its location. |

coordinate plane | The intersection of two number lines. The number lines for quadrants that are used to locate a point using ordered pairs. |

quadrant | One of four regions on a coordinate plane. |

x-axis | The horizontal axis on a coordinate plane. |

y-axis | The vertical axis on a coordinate plane. |

Origin | the intersection of the x-axis and the y-axis. Its ordered pair is (0, 0). |

ordered pair | A pair of numbers, written in parentheses and separated by a comma, used to locate a point on a coordinate plane. |

opposites | Numbers that are the same distance from zero, but on opposite sides of zero. |

additive inverses | Numbers that are opposites. |

Additive Inverse Property | The sum of any number and its additive inverse is 0> |

Subtracting Integers Key Concept | To subtract in integer, add its opposite. |

Adding Integers With Same Signs Key Concept | Add their absolute values. The sum is positive is both integers are positive. The sum is negative if both integers are negative. |

Adding Integers With Different Signs Key Concept | Subtract their absolute values. The sum is positive if the positive integer's absolute value is greater. The sum is negative if the negative integer's absolute value is greater. |

Multiply and divide integers with same signs | The product/quotient is positive. |

Multiply and divide integers with different signs | The product/quotient is negative. |