Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# 10-28 vocab

Term | Definition |
---|---|

rate | a certain quantity or amount of one thing considered in relation to a unit of another thing and used as a standard or measure: at the rate of 60 miles an hour. |

unit rate | A unit rate is a ratio of two units. |

proportions | comparative relation between things or magnitudes as to size, quantity, number, etc.; ratio. |

percents | figured or expressed on the basis of a rate or proportion per hundred (used in combination with a number in expressing rates of interest, proportions, etc.): to get three percent interest. Symbol: % |

tax | a specific amount of money that is charged to an item. usually 0.06% charge |

gratuities | 1. a gift of money, over and above payment due for service, as to a waiter or bellhop; tip. 2. something given without claim or demand. 3. British. a. a bonus granted to war veterans by the government. b. a bonus given military personnel on discharge or |

commission | the act of committing or giving in charge. |

percent decrease | To calculate percent increase, first subtract the greater number from the smaller number to find absolute change. Divide the absolute change by the original number and multiply your answer by 100. |

percent increase | To calculate percent increase, first subtract the greater number from the smaller number to find absolute change. Divide the absolute change by the original number and multiply your answer by 100. |

markup | the difference between the cost price and the selling price, computed as a percentage of either the selling price or the cost price. |

markdown | the amount by which a price is reduced. |

simple interest | Interest is a fee paid by a borrower of assets to the owner as a form of compensation for the use of the assets. It is most commonly the price paid for the use of borrowed money,[1] or money earned by deposited funds |

percent error | Subtract Approximate value from Exact value. Ignore any minus sign. Example: I estimated 260 people, but 325 came. 260 - 325 = -65, ignore the "-" sign, so my error is 65 |

scale drawing | A drawing that shows a real object with accurate sizes except they have all been reduced or enlarged by a certain amount (called the scale). |

scale factors | A scale factor is a number which scales, or multiplies, some quantity. In the equation y=Cx, C is the scale factor for x. C is also the coefficient of x, and may be called the constant of proportionality of y to x. For example, doubling distances correspo |

similar figures | two or more factors have a common decimal |

proportional relationship | In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant. The constant is called the coefficient of proportionality or proportionality cons |

Created by:
kevinstone