area plane surface, as of the floor of a room; open space in a building; the enclosed space; extent; scope; range |

bar graph a chart with bars whose lengths are proportional to quantities |

decimal numbered or proceeding by tens; based on ten; a proper fraction whose denominator is a power of 10 |

denominator the divisor of a fraction |

distributive property a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses |

fifths one of five equal parts of a whole |

hundredths one of a hundred equal parts of a whole; called also percent |

line graph a graph in which a series of connected straight lines connect points, each of which represents the value of a particular variable |

median the value below which 50% of the cases fall |

mode prevailing style; manner; way of doing something; fashion or style |

numerator the dividend of a fraction |

parallel make or place something to another's side; of or relating to multiple operations at same time; not intersecting |

perimeter outer boundary length; closed curve bounding a plane area |

perpendicular vertical; upright; intersecting at or forming right angles; extremely steep |

proportion percentage; quotient obtained when a part is divided by the whole; part considered in relation to the whole |

quadrant a quarter of the circumference of a circle; any of the four areas into which a plane is divided by two orthogonal coordinate axes |

range limits within which something can be effective; variety of different things or activities |

rational number an integer or a fraction |

reflection image of something as reflected by mirror; remark expressing careful consideration |

rotation revolution; act of rotating as if on an axis |

tenths one of ten equal parts of a whole |

transformation change in form , appearance, nature, disposition, condition, or the like |

translation transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same |

twelfths one of twelve equal parts of a whole |