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# RHS Chapter1

### Order of Operations, Exponent vocabulary

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

algebraic expression | combination of variables, numbers, and at least one operation |

evaluate | to find the value of an expression by replacing variables with numbers |

exponent | in a power, the number of times the base is used as the factor |

base | the number used as the factor |

power | a number that can be written using an exponent |

order of operations | rules to follow when more than one operation is used |

squared | a number multiplied by itself is squared. |

cubed | the product in which a number is the factor three times |

numerical expression | a collection of numbers, operations, and grouping symbols |

P E M D A S | The first letters of the words for operations Parentheses, Exponents, Multiply and Divide, Add and Subtract |

Left-to-right | From which direction do you work a problem |

product | the answer to a multiplication problem |

sum | the answer in an addition problem |

difference | the answer in a subtraction problem |

mean | the average; the sum of numbers in a set divided by the number of addends |

Created by:
floyda01