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# Unit 1 Number Sense

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

Algorithm | A step-by-step solution to a problem. |

Difference | The amount left after one number is subtracted from another number. |

Distributive Property | The sum of two addends multiplied by a number is equal to the sum of the product of each addend and that number. |

Dividend | A number that is divided by another number. |

Divisor | A number by which another number is to be divided. |

Factor | Two or more integers that are multiplied to form a product.. |

Greatest Common Factor (GCF) | The largest factor that two or more numbers have in common. |

Least Common Multiple (LCM) | The smallest multiple (other than zero) that two or more numbers have in common. |

Measurement Model of Division | When we know the original amount and the size or measure of ONE part, we use measurement division to find the number of parts. Ex: 20 is how many groups of 4? |

Minuend | The number that is to be subtracted from. |

Multiple | The product of a given whole number and an integer. |

Quotient | A number that is the result of division. |

Partitive Model of Division: | When we know the original amount and the number of parts, we use partitive division to find the size of each part. Ex: 20 is 4 groups of what unit? “How many in each group?” |

Reciprocal | Two numbers whose product is 1. The reciprocal of a fraction can be found by inverting that fraction (switching the denominator and numerator). |

Sum | The number you get by adding two or more numbers together |

Subtrahend | The number that is to be subtracted. |

Product | A number that is the result of multiplication. |