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# GED Math Notes#1-11

### Math Review_Rubio_Notes #All

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

What kind of test is the GED test? | Reading and Thinking |

How many steps to every word problem? | Four |

Step a. Read | Through the whole problem |

Step b. Say | I can do this |

Step c. Focus On | Bottom Line Question |

Step d. Think About | The Words Of The Question |

Ask | What do the words mean? |

What operation do I use? | Add Subtract Multiply Divide |

Combine and | Add |

How many more, how many less, what is the difference eft or any comparing words then | Subtract |

How many are IN something | Divide |

A part OF something (1/2 of 2000, 90% of salary) | Multiply |

Per in QUESTION means | Divide (per or unit rate refers to one.) |

If I know something about ONE and want to know about MORE then | Multiply |

If I know something about MORE and want to know about ONE, then | Divide |

Fractions | Part of One |

If the answer is a ratio, how many numbers do I need? | 2 |

What kind of problem is it when the problem tells me something about two things and then asks me something about the SAME two things? | Proportion |

What do I draw on my paper when I know I have one of these problems? | _______=_______ |

What do I put on the left line? | What I Know |

How do I work the problem? | Cross Multiply and Divide |

Decimals | Part of One |

Every fraction/decimal/percent can be written as | A fraction decimal percent |

Change a fraction to a decimal by | Top Number Divided By Bottom Number |

Change decimal to fraction by | Read It Write It Reduce It |

1/4 = | .25 |

1/2 = | .5 |

3/4 = | .75 |

1/3 = | .333 |

2/3 = | .667 |

Percentage | Part of 100 |

Every fraction/decimal/percent can be written as | fraction/decimal/percent. |

What are the three parts of a percentage problem? | Part Base Rate |

Triangles Part (piece of whole is) | ÷ Base X Rate (whole /of) (percent sign) |

Percent of Increase/Decrease | Subtract and Divide by Original Shift = |

Interest | P X T (years or months/12 x R shift = |

Perimeter | Add around sides |

Area | L X W (square units) = 2 |

Volume | L X W X H (cubic units) = 3 |

Mean | Average; Add & Divide |

Median | Middle number; Order numbers first |

Mode | Number repeated the most |

Created by:
jeni25