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# Math Topic Definitio

### Grade 4

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

addends | the numbers that are added together to find a sum |

analog clock | shows time by pointing to numbers on a face |

area | the number of square units needed to cover a region |

array | a way of displaying objects in rows and columns |

Associative Property of Addition | addends can be regrouped and the sum remains the same |

Associative Property of Multiplication | factors can be regrouped and the product remains the same |

bargraph | a graph using bars to show data |

breaking apart | mental math method used to rewrite a number as the sum of numbers to form an easier problem |

centimeter | (cm) a metric unit of length |

common factor | a factor that two or more numbers have in common |

Commutative Property of Addition | numbers can be added in any order and the sum remains the same |

Commutative Property of Multiplication | factors can be multiplied in any order and the product remains the same |

cube | a solid figure with six congruent squares as its surface |

decimal point | a dot used to separate ones from tenths in a number |

denominator | the number below the fraction bar in a fraction |

denominator | the total number of equal parts in all |

Distributive Property | breaking apart facts into two simpler problems |

divide | an operation to find the number in each group or the number of equal groups |

dividend | the number to be divided |

divisor | the number by which another number is divided |

equation | a number sentence that uses the equal sign to show that two expressions have the same value |

equivalent | numbers that name the same amount |

equivalent fractions | fractions that name the same region, part of a set, or part of a segment |

expanded form | a number written as the sum of the values of its digits |

fact family | a group of related facts using the same set of numbers |

factors | the numbers multiplied together to find a product |

foot | a customary unit of length |

fraction | a symbol used to name a part of a whole, a part of a set, a location on a number line, or a division of whole numbers |

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5300Delta