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# Place Value

### Vocabulary Words

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

period | in a number, a group of three digits, separated by commas starting from the right |

digits | are the numerals used to write a number: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 |

expanded notation | a number written as the sum of the values of its digits is written in |

greater than symbol > | In a number sentence, a symbol that points away from a greater number or expression is called a |

less than symbol < | In a number sentence, a symbol that points toward a lesser number or expression is called a |

rounding | is a process that determines which multiple of 10, 100, 1,000, and so on, a number is closest to. |

tenth | One part of 10 equal parts of a whole is called a |

hundredth | One part of 100 equal parts of a whole is called a |

decimal point | A dot used to separate dollars from cents in money or separate ones from tenths in a number is called a |

decimal | A number with one or more digits to the right of the decimal point is called a |

word form | writing the number as you would say it in words |

standard form | using digits to write numbers |