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# Everyday Math Unit 1

### key vocabulary for unit 1

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

A property of multiplication that two numbes can be multiplied in either order without changing the product. For example: 5 * 10 is the same as 10 * 5. | Commutative property of Multiplication |

A counting number greater than 1 hat has more than two factors. | composite number |

A shortcut for determining whether a counting number is divisible by another counting number without actually doing the division. | division rule |

If a larger number can be divided by a smaller number with no remainder. | divisible by |

a number that is divisible by 2. | even number |

a small raised number that is used in exponential notation to tell how many times the base is to be used as a factor | exponent |

a way of representing repeated multiplication by the same factor. | exponential notation |

Each of the two or more numbers in a product. For example: 2 * 3 = 6 - 2 and 3 are factors. | factor |

two factors of a number whose product is n | factor pair |

a number written as a product of two or more of its factors other than one | factor string |

a number sentence that modeals a number story or situation | number model |

A number that is not divisible by 2. | odd number |

A counting number written as a product of prime-number factors | prime factorization |

a number greater than 1 that has exactly two whole number factors. Example: 3 and 5 | prime numbers |

the answer you get when you multiply two numbers, called factors, together. | product |

The answer you get when you divide one number by another number. | Quotient |

An arrangement of objects in rows and columns that form a rectangle. | rectangular array. |

The amount left over when one number is divided into another number. | remainder |

A rectangular array with the same number of rows and columns | square array |

numbers that are the product of multiplying a number by itself. Example: 9 and 16 | square numbers |

The factors of a square number. The number that is multiplied times itself to get the product. | square root |

Created by:
smark3