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# 4th Unit 1

### Decimal Place Value

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

Compare numbers | to consider the value of two numbers to determine which number is greater or less or if the numbers are equal in value |

Counting (natural) numbers | the set of positive numbers that begins at one and increases by increments of one each time |

Decimal number | part of a whole and is recorded with a decimal point separating the whole from the part |

Digit | any numeral from 0 – 9 |

Expanded form | the representation of a number as a sum of place values |

Expanded notation | the representation of a number as a sum of place values where each term is shown as a digit(s) times its place value |

Numeral | a symbol used to name a number |

Order numbers | to arrange a set of numbers based on their numerical value |

Period | a three-digit grouping of whole numbers where each grouping is composed of a ones place, a tens place, and a hundreds place, and each grouping is separated by a comma |

Place value | the value of a digit as determined by its location in a number |

Standard form | the representation of a number using digits |

Strip diagram | a linear model used to illustrate number relationships |

Whole numbers | the set of counting (natural) numbers and zero |

Word form | the representation of a number using written words |