1 | decimal point | | _____ | Two lines that cross over each other |

2 | difference | | _____ | Numbers multiplied together |

3 | place value | | _____ | The value of a digit based upon the place of the digit |

4 | product | | _____ | A number that uses place value and a decimal point to show |

5 | complimentary angle | | _____ | Answer to an addition problem |

6 | intersecting lines | | _____ | Two angles that have a sum that equals 90 degrees |

7 | perpendicular | | _____ | To rewrite a whole number to the nearest ten, hundred, |

8 | protractor | | _____ | Answer to a subtraction problem |

9 | rounding | | _____ | A number that has only two factors |

10 | decimal | | _____ | The third place value to the right of the decimal point |

11 | sum | | _____ | An instrument that measures angles. |

12 | thousandths | | _____ | A dot used to separate the ones and tenths place value |

13 | composite number | | _____ | A number with three or more factors |

14 | factors | | _____ | Answer to a multiplication problem |

15 | prime number | | _____ | Two lines intersecting and making right angles. |