A | B |

positive numbers | numbers to the right of zero on the number line |

negative numbers | numbers to the left of zero on the number line |

integers | the numbers ... -3, -2, -1, 0, 1, 2, 3, ... |

absolute value | the distance between 0 and a number on the number line |

opposites | numbers with the same absolute value on opposite sides of zero |

expression | a number or group of numbers written with operation signs |

simplify | perform the operations; find the value (or answer) |

base | a number that is multiplying itself |

exponent | a number that tells how many times to multiply the base by itself |

power | the product when the same factor is multiplied |

revise | change; to change a guess when you have new information |

broken-line graph | a graph made up of pieces of straight lines |

sum | the answer to an addition problem |

difference | the answer to a subtraction problem |

product | the answer to a multiplication problem |

quotient | the answer to a division problem |