Intro to Ratios: http://www.youtube.com/watch?v=yztq_ELjfSw&feature=related
Equivalent Ratios: http://www.youtube.com/watch?v=OkphNNHRKmE
Using Ratio Boxes: http://www.youtube.com/watch?v=ZD9HEIdB7A0
Unit Rates: http://www.youtube.com/watch?v=Zm0KaIw-35k
Finding percent of a number: http://www.youtube.com/watch?v=wzbMZZgS_5U
Finding 10% of a number: http://www.youtube.com/watch?v=_0WYnXVLAGw
Equivalent Ratios: http://www.youtube.com/watch?v=OkphNNHRKmE
Using Ratio Boxes: http://www.youtube.com/watch?v=ZD9HEIdB7A0
Unit Rates: http://www.youtube.com/watch?v=Zm0KaIw-35k
Finding percent of a number: http://www.youtube.com/watch?v=wzbMZZgS_5U
Finding 10% of a number: http://www.youtube.com/watch?v=_0WYnXVLAGw