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# 6th Grade

### Chapter 2

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

term | A number in a pattern. |

conjecture | A prediction that suggests what can be expected to happen. |

numerical expression | An expression with only numbers and operation. |

algebraic expression | A mathmathemtical phrase that uses variables, numbers, and operations. |

variable | A letter that stands for a number. |

evaluate | Replace each variable with a number. Then follow the order of operations. |

equation | A mathematical sentence with an equal sign. |

open sentence | An equation with one or more variables. |

solution | Is any value or values that make an equation or inequality true. |

inverse operation | Are operations that undo each other. |

Subtraction Property of Equality | States that if the same number is subtracted from each side of an equation, the results are equal. |

Addition Property of Equality | States that if the same value is added to each side of an equation, the results are equal. |

Division Property of Equality | States that if both sides of an equation are divided by the same nonzero number, the results are equal. |

Multiplication Property of Equality | States that if each side of an equation is multiplied by the same number, the results are equal. |

Distributive Property | How multiplication affects addition or subtraction: 3 x (7+5) = (3x7) + (3x5) |

Created by:
palsm