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# Carnegie Chapter 1

### math vocabulary chapter 1

Question | Answer |
---|---|

array | A rectangular arrangement that has an equal number of objects in each row and an equal number of objects in each column. |

factor pair | Two natural numbers other than zero that are multiplied together to produce another number. |

distinct factors | Factors that appear only once in a list. |

perfect square | A number that is the product of a distinct factor multiplied by itself is called a perfect square. |

factor | Each number that is multiplied to make a product. |

multiple | The product of a given whole number and another whole number. |

Commutative Property of Multiplication | Changing the order of two or more factors in a multiplication sentence does not change the product. For any numbers a and b, a X b = b X a. |

divisible | When one number can be "evenly" divided by a second number with no remainder. |

area model | A pictorial way of representing multiplication. The rectangle's length and width represent factors, while the area represents the product. |

set | A collection of numbers, geometric figures, letters, or other objects that have some characteristic in common. |

Venn diagram | A picture that illustrates the relationships between two or more sets. |

prime numbers | Numbers that are greater than one with exactly two distinct factors, 1 and the number itself. |

composite numbers | Numbers that have more than two distinct factors. |

multiplicative identity | The number 1. When it is multiplied by a second number, the product is the second number. |

divisibility rules | Tests for determining whether one positive whole number is divisible by another. |