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# 2. Decimal Operation

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

Commutative Property | The order of addends can be changed and the sum remains the same. |

Associative Property | Addends can be regouped and the sum remains the same. |

compatible numbers | Numbers which are easy to compute with mentally, |

compensation | Adjusting one number of an operation to make computation easier and balancing the adjustment by changing the other number. |

rounding | A process that tells which multiple of 10, 100, 1,00 etc...a number is closest to. |

exponent | A number that tells how many times the base is used as a factor. |

decimal | A number with one or more digit to the right of the decimal point. |

decimal place | The position of a digit to the right of a decimal point. |

standard algorithm | Specific method to solve a mathematical problem. |

sum | The number that is the result of adding two or more addends. |

difference | The number that results from subtracting one number from another. |

product | The number that is the result of multiplying two or more factors. |

factors | Numbers that are multiplied to get a product. |

Distributive Property | Multiplying a sum (or difference) by a number is the same as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the product. |

multiple | The product of a given whole number and any other whole number. |

exponential notation | A way to write a number using a base and an exponent |

base | The number that is multiplied by itself when raised to a power. |

standard form | A common way of writing a number with commas separating groups of three digits starting from the right. |

expanded form | A way of writing numbers involving exponents that shows the base as a factor. |

squared | A name for a number to the second power. |

cubed | A name for a number to the third power. |

power | A number that tells how many times the base is used as a factor. |

Created by:
KHenik