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# 6th Grade Unit 1

### Numeration, Variable, Expressions, and Properties

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

Base | A number multiplied by itself the number of times shown by an exponent. |

Exponent | The number that tells how many times the base is multiplied by itself. |

Evaluate | To find a value that an algebraic expression names by replacing a variable with a given value. |

Numerical Expression | A mathematical phrase involving only numbers and one or more operational symbols. |

Sum | The answer in an addition problem. |

Difference | The answer in a subtraction problem. |

Product | The answer in a multiplication problem. |

Quotient | The answer in a division problem. |

Term | A single number of variable or numbers and variable multiplied together. Terms are separated by + or - signs. |

Factor | A number that divides another number without a remainder. |

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

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

Substitute | Replacing the variable of an expression or equation with a number. |

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

Generate | To produce or create. |

Equivalent Expressions | Expressions that equal the same amount. |

Commutative Property | The property that states the order of the addends or the order of factors does not affect the sum or product. |

Associative Property | The property that states the way in which addends or factors are grouped does not affect the sum or product. |

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

Created by:
KHenik