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# 2012-6thMathPTVocab2

### South Habersham Middle School 6th Grade Math Powertime Vocabulary Unit 2

Word | Definition |
---|---|

Algebraic Expression | A mathematical phrase involving at least one variable and sometimes numbers and operation symbols. |

Associative Property | The sum or product of a set of numbers is the same no matter how the numbers are grouped. |

Coefficient | A number multiplied by a variable in an algebraic expression. |

Commutative Property | The sum or product of a group of numbers is the same regardless of the order in which the numbers are arranged. |

Distributive Property | The sum of two addends multiplied by a number is the sum of the product of each addend and the number. |

Equation | A mathematical sentence that contains an equal sign. |

Exponent | The number of times a number or expression (called base) is used as a factor of repeated multiplication. Also called the power. |

Inequality | A mathematical sentence that contains the symbols >, <, ≥, or ≤. |

Inverse Operation | A mathematical process that combines two or more numbers such that its product or sum equals the identity. |

Like Terms | Terms in an algebraic expression that have the same variable raised to the same power. Only the coefficients of these terms are different. |

Term | A number, a variable, or a product of numbers and variables. |

Variable | A letter or symbol used to represent a number or quantities that vary. |

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