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# Unit_2_Vocabulary

### Pre-Algebra Unit 2 Vocab

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

terms with IDENTICAL variables | like terms |

a term that will never change | constant |

a mathematical sentence using the symbols less than, greater than, less than or equal to, greater than or equal to, or not equal to | inequality |

the number right next to a variable / the number that multiplies the variable. | coefficient |

ONE value that makes an equation true | solution of an equation |

a number OR the product of a number and variable / all expressions can be chunked into these | terms |

the sum of any number and 0 is the original number | Identity Property of Addition |

an equation with one or more variables; cannot say either true or false because there is a variable | open sentence |

a mathematical sentence with an equal sign; can be solved | equation |

the product of any number and 1 is the original number | Identity Property of Multiplication |

changing the ORDER of the numbers you are adding does not change the sum | Commutative Property of Addition |

changing the ORDER of the numbers you are multiplying does not change the product | Commutative Property of Multiplication |

changing the GROUPING around the values you are adding does not change the sum | Associative Property of Addition |

changing the GROUPING around the values you are multiplying does not change the product | Associative Property of Multiplication |

a mathematical phrase withOUT an equal sign (=), cannot be solved | expression |

Created by:
mwhaley