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# PERCENTAGES

### MATH 6 - PERCENTAGES

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

DEFINE: PERCENT | a ratio that compares a number with 100 |

PERCENTS CAN BE WRITTEN AS... | fractions or decimals |

TO REWRITE A PERCENT AS A DECIMAL... | write the percent over 100 and rewrite in lowest terms |

TO REWRITE A PERCENT AS A DECIMAL... | move the decimal point two places to the LEFT |

TO REWRITE A DECIMAL AS A PERCENT... | move the decimal point two places to the RIGHT |

TO REWRITE A FRACTION AS A DECIMAL... | use division to convert the fraction to a decimal then move the decimal point two places to the RIGHT |

MENTAL MATH - TO FIND 50% OF A NUMBER... | divide by 2 or take 1/2 of the number |

MENTAL MATH: TO TAKE 10% OF A NUMBER | move decimal point ONE place to the LEFT |

MENTAL MATH: TO TAKE 1% OF A NUMBER... | move the decimal point TWO places to the LEFT |

TWO WAYS TO SOLVE A PERCENT PROBLEM ARE.. | 1) write and solve an equation; 2) set-up a proportion |

PROPORTION TO CALCULATE PERCENT INCREASES OR DECREASES... | percent change/100 = amt. of change/original amt |

Created by:
hgerlach