Cornell Notes - Ms. Payton's Math Class



|Cornell Notes |Name: Date: September 21, 2017 |

|Topic: |7-1 Ratios |

| | |

|Ratio |A comparison of two numbers by division. |

| |The ratio of 2 to 3 can be written as: |

| |2:3 or 2 to 3 or 2/3 |

|How do I write a ratio as a |35 to 15 = 35/15 |

|fraction in simplest form? |Divide the numerator and denominator by the GCF |

| |35/15 divided by 5 on the top and bottom = 7/3 |

| | |

| |7/3 is written in simplest form |

| |For ratios leave the fraction as an improper fraction. |

| | |

| |10 inches: 2 feet |

|Write a ratio by converting units. | |

| |10 inches 10 inches |

| |2 feet convert 2 feet to inches 24 inches |

| | |

| |divide by the GCF, 2 inches 10 inches 5 inches |

| |24 inches 12 inches |

|Equivalent Ratios |Two ratios that have the same value. |

| | |

|Compare ratios |Determine whether 6:8 and 36:48 are equivalent |

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| |Write each ratio as a fraction in simplest form |

| | |

| |6 3 36 3 |

| |8 4 48 4 |

| |The ratios in simplest form both equal ¾ so they are equivalent ratios. |

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