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# Mrs. Hogan PA Vocab1

### McDougal Littell Middle School Math 1 Unit 1 Vocabulary

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

leading digit | the first digit at the left in a whole number |

equation | a math sentence formed by comparing two expressions that have the same value |

variable | a letter used to represent an unknown value |

solve | find all the solutions of an equation |

sum | the result of adding two or more numbers |

compatible numbers | numbers that make estimating in a division problem easier |

exponent | the number of times a factor is repeated in a power |

product | the result of multiplying two or more numbers |

evaluate | replace variables with values, then simplify |

numerical expression | a collection of numbers and operations to be performed |

factor | numbers that are multiplied together |

verbal model | words used to describe ideas, then math symbols to relate the words in order to solve a problem |

quotient | the result of dividing one number by another |

solution | the value which, when substituted for the variable, makes the equation a true statement |

base | the repeated factor in a power |

variable expression | a collection of numbers, variables, and operations to be performed. |

grouping symbols | markings such as parentheses or brackets: they indicate the order in which operations should be performed |

order of operations | rules established to evaluate an expression involving more than one operation |

difference | the result of subtracting one number from another |

power | an expression that represents a product with a repeated factor |

whole number | all of the natural numbers plus zero |

place value | the value of where the digit is in the number |

round | reducing the digits in a number while trying to keep it's value similar |

dividend | a number that is divided by another number |

divisor | a number by which another number is divided |

remainder | the amount left over after division |

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