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# Gr 5 Math Brain

### 5th Grade Math Brain Game Vocabulary Review

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

To reduce a fraction is to put it in what? | Simplest Form |

Another word for equal fractions is what? | Equivalent Fractions |

When adding or subtracting decimals, what do you do with the decimals? | Line them up |

When multiplying decimals what do you do with the decimals? | Count the spaces that are right of the decimal |

When dividing decimals what do you do with the decimal? | Bring it straight up |

When given a set of numbers you find this when you subtract the smallest number from the largest. | Range |

To find the average is to also find the what? | Mean |

The number that occurs most often in a set of numbers is the what? | Mode |

What is the name of a fraction whose numerator is larger than the denominator? | Improper Fraction |

What is the name of the number above the fraction bar? | Numerator |

What is the name of the number below the fraction bar? | Denominator |

When multiplying a fraction by a whole number what do you do to the whole number? | Put it over 1 |

What is the name of an angle that measures less than 90 degrees? | Acute Angle |

What is the name of an angle that measures greater than 90 degrees? | Obtuse Angle |

What is the name of an angle that measures 90 degrees? | Right Angle |

What is the name of an angle that measures 180 degrees? | Straight Angle |

What math tool do you use to measure the degrees in an angle? | Protractor |

A shape that has six sides is called what? | Hexagon |

A shape that has eight sides is called what? | Octagon |

This type of graph often shows changes over time | Line Graph |

On a stem and leaf plot digits in the ones place are known as the what? | Leaves |

An exact location in space is known as what? | Point |

Part of a line that has one endpoint and extends endlessly in one directions is what? | Ray |

Lines that meet at one point are known as what? | Intersecting Lines |

Lines that never cross are known as what? | Parallel Lines |

What is formed when two rays have the same endpoint? | Angle |

Angles are measured in what? | Degrees |

A shape that has three sides is called what? | Triangle |

What is a closed figure made up of three or more line segments called? | Polygon |

What is the name for a triangle that all the sides are the same length? | Equilateral Triangle |

What do you call a rectangle with all sides the same length? | Square |

What is the name for a quadrilateral with only one pair of parallel lines? | Trapezoid |

When two objects have exactly the same size and shape they are what? | Congruent |

A what moves a figure up, down, or over? | Translation |

A what produces a mirror image of a figure? | Reflection |

A what rotates a figure around a point? | Rotation |

Three feet equals how many inches? | 36 |

Four quarts is equal to how many gallons? | 1 |

One ton equals how many pounds? | 2,000 |

A pentagon has how many sides? | 5 |

Part of a line having two endpoints is called what? | Line Segment |

Two lines that intersect at right angles are known as what? | Perpendicular Lines |