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# Numbers

### Operations in Base 10

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

remainder | in whole number division, when you have divided as far as you can, what has not been divided (what is left over) |

whole number | zero and the counting numbers 1,2,3... |

long division | a standard procedure suitable for dividing simple or complex multi- digit numbers |

finite decimal | a decimal that contains a terminating number of digits |

compare | to decide if one number is greater than, less than, or equal to another |

compose | to put together, as in numbers or shapes |

decimal notation | a number containing a decimal point |

exponent | the number that tells the number of time the base is multiplied by itself |

rounding | to find the nearest ten, hundred, thousand, etc. |

add | to combine or put together two or more quantities |

quotient | answer to a division problem |

hundredths | the name of the next place to the right of tenths |

period | in a large number, they are groups of 3 digits separated by commas or by spaces (123,456,789) |

tenths | in the decimal numeration, this is the name of the place to the right of the decimal point |

decompose | to separate or take apart |

comparison bars | used to represent larger and smaller amounts in a comparison situation |

dividend | a number that is divided by another number |

subtrahend | in subtraction, this is the number being subtracted |

algorithm | a step-by-step method for computing |

divide | to separate into equal groups and find the number in each group or the number of groups |

divisor | the number by which another number is divided |

standard form | the common way of writing a number using digits |

word form | a way of using words to write a number |

thousandths | the name of the place to the right of the hundredths in the decimal numeration system |

expanded form | a way to write numbers that shows the place value of each digit |

inverse operations | operations that undo each other |

less than | a phrase used to compare two numbers |

inequality | a mathematical sentence that compares two unequal expressions using one of the symbols <,>, or ≠ |

multiply | the operation of repeated addition on the same number |

greater than | a phrase used to compare two numbers |

array | an arrangement of objects in equal rows |

base 10 numbers | numerals based on groups of ten |

place value | the value of a digit based on its position in the number |

digit | any of the symbols 0,1,2,3,4,5,6,7,8, or 9 |

area model | a model of application that shows each place value product within a rectangle |

addend | any number being added |

powers of 10 | using a base number of 10 with an exponent |

product | the answer to a multiplication problem |

fluently | a "comfort" with math that is a combination of efficiency, accuracy, and flexibility |

minuend | in subtraction, this is the number you subtract from |

Created by:
mslind