## Lesson 5: Ratios and Proportions

**Video 1: How to Write and Simplify Ratios**

**Video 2: Writing Ratios in Three Different Ways**

**Video 3: Equivalent Ratios**

**Video 4: Simplify Ratios to the Lowest Terms ALWAYS!**

Note: This is easier if your calculator has a "Fraction" key.

Note: This is easier if your calculator has a "Fraction" key.

**Video 5: Setting Up and Solving Proportions**

**Video 6: Solving Proportions By Cross-Multiplication**

**Video 7: Solving Proportions by Scale Factor**

**Video 8: Solving Word Problems with Proportions**

**Video 9: Solving a Proportion Context Using a Scale Factor**

**Video 10: Solving Proportions Involving the "Total"**

**Video 11: Proportional Relationship in Similar Shapes**

## SmartBoard Class Notes:

lesson_5_proportions_classnotes.pdf | |

File Size: | 643 kb |

File Type: |