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# Chapter 3

### Math for Elementary School Teachers MATH 210

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

Closure Property for Whole Number Multiplication | If a and b are any two whole numbers, then a x b equals an unique whole number |

Commutative Property for Whole Number Multiplication | a x b x c = a x c x b |

Associative Property for Whole Number Multiplication | (a x b) x c = a x (b x c) |

Distributive Property of Multiplication over Addition | a x (b + c) = a x b + a x c |

Distributive Property of Multiplication over Subtraction | a x (b-c) = a x b - a x c |

Zero product Property | If a x b = 0, then a = 0 or b = 0 |

Multiplication Property of Zero | if a is any number, then a x 0 = 0 and 0 x a = 0 |

Not Possible | Possible? 9/0 |

Possible | Possible? 0/9 |

Identity Property for Whole-Number Multiplication | a x 1 = a and 1 x a = a |

Multiplier | a in a x b = c |

Multiplicand | b in a x b = c |

Repeated Multiplication | When all factors are identical |

Exponential Notation | Writing products with identical factors |

Dividend | a in a / b = c |

Divisor | b in a / b = c |

Fair Share Model | Given the total number of objects and the amount of groups. How many objects per group? |

Division by Grouping | Given the total number of objects and how many objects per group. How many groups? |

Repeated Subtraction Model | Given the total number of objects and how many objects per group. How many groups? (12-4=8, 8-4=4, ect) |

Division Property of Zero | If a is any whole number, then 0 / a = 0 |

Quotient remainder Theorem | a = b x q + r |

a = b x q + r | Quotient Remainder Theorem |

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Kittentms