Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Math Topic #2

### Variables, Expressions, and Properties

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

Input/Output Table | A table of related values. |

Variable | A quantity that can change or vary, often represented with a letter. |

Associative Property of Addition | The way numbers are grouped does not affect the sum. |

Commutative Property of Addition | The order in which numbers are added does not change the sum of the numbers. |

Algebraic Expression | A mathematical phrase that has at least one variable and one operation. |

Coefficient | The number that is multiplied by a variable in an algebraic expression. Example: For 6x + 5, the coefficient is 6. |

Commutative Property of Multiplication | The order in which numbers are multiplied does not change the product of the numbers. |

Associative Property of Multiplication | The way numbers are grouped does not affect the product. |

Identity Property of Addition | Adding zero to a number does not change the number. |

Substitution | To replace a variable with a number. |

Evaluate | To find the value of an expression. |

Order of Operations | A set of rules mathematicians use to determine the order in which operations are performed. |

Identity Property of Multiplication | The product of a number and one is that number. |

Distributive Property | Multiplying a sum (or difference) by a number gives the same result as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the products. |

Created by:
SFABGRADE6-2