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# Math Vocabulary

### 5th grade math vocabulary

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

Digits | The symblos used to show numbers:0,1,2,3,4,5,6,7,8,9, |

Standard form | A common way of writing a number with commas separting groups of three digits starting from the right. Ex. 3,458 |

Value | The number a digit represents, which is determined by the position of the digit. |

Expanded form | A way to write a number that shows the place vlaue of each digit. Ex. 3,000+500+20+3+0.1+0.07 |

Equivalent decimals | Decimals that name the same amount. Ex. 0.7=0.70 |

Word form | A way to write a number using words. |

Expanded Notation | A way to write a number that shows the digit multiplied times the value of the place the digit is in. EX. (3x1,000) + (5x100)+(2x10)+(3x1)+(9x0.1)+(2z0.01) |

Tenths | One part in ten equal parts. |

Hundredths | One part in a hundred equal parts. |

Decimal Point | A dot separating the ones and the tenths place in a decimal number. |

Decimal | A number that uses place value and a decimal point to show the value of a number. |

Number Line | A diagram that represents numbers as points on a line. |

Addend | One of the numbers in an addition problem |

Difference | Answer to a subtraction problem |

Sum | Answer to addition problem |

Estimate | A number close to an exact amount |

Expression | A mathematical combination of number, operations, and variables |

Inverse Operation | Operations that undo each other; opposite operations |

Addition | An operation that tells how many things there are when two sets are put together or combined |

Subtraction | An operation that takes away one quantity from another |

Operation | Addition, Subtraction, Multiplication, and Division |

Factor | A number that is multiplied by another number to find a product. |

Product | The answer to a multiplication problem. |

Multiply/Multiplication | To find the product of two or more numbers. |

Division/Divide | The operation of repeated subtraction of the same number. |

Divisor | The amount used to divide by in a division problem. |

Dividend | The amount to be divided in a division problem. |

Remainder | The quantity that is left over when dividing. |

Quotient | The answer to a division problem. |

Input | The number that is put into the "number machine" |

Output | The number that comes out of the "number machine" |

Position | The input on the table. The position is not written, you can number the position of each number. |

Value of a number | The output on the table. The values are the numbers listed. |

Numerical Expression | Shows the process to change the input to the output. |