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# Algebra

### 5th grade Algebra

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

* variable | A letter, such as n, that represents a number in an expression or an equation |

* term | A number in a sequence or a variable, such as x or y in an algebraic expression |

* sequence | A set of numbers that follows a pattern |

* expression | A mathematical phrase involving numbers and operations that work together to show a value |

* algebraic expression | A mathematical phrase involving a variable or variables, numbers, and operations. Example: x - 3 |

* corresponding term | Matching, as in related terms in two sequences |

* order of operations | The order in which operations are done in calculations. FIRST: punctuation (parentheses, brackets, braces) SECOND: exponents THIRD: x and รท (left to right) FOURTH: + and - (left to right) |

parentheses | Punctuation symbols used to group numbers together ( ) |

brackets | Punctuation symbols used to group numbers together [ ] |

braces | Punctuation symbols used to group numbers together { } |

evaluate | To find the value of |

interpret | Understand the meaning of |

numerical patterns | Numbers arranged in order, following a particular rule |

ordered pair | A pair of numbers written in a specific order, used to identify a location on a coordinate plane |

coordinate plane | A way to show a location of a point using a pair of perpendicular number lines that intersect at zero |