## Sunday, October 17, 2010

### Allison's Sesame Street Video Post

Ratio :
Two Term Ratio - compares two quantities measured in the same unit.
1:2

Three Term Ratio - compares three quantites measured in the same unit.
Example :
1:2:3

Part to Part Ratio - compares different parts of the group to the whole group.
1:7

Part to Whole ratio
- compares one part of a group to the whole group. It can be written in a decimal, fraction and percent.

Rate:
Rate- compares two quantites measured in different units

Unit rate- a rate in which the second term is 1
Example :

Unit price - a rate used when shopping
Example :

Proportional Reasoning :

Proportional Reasoning - a relationship that says that two ratios and two rates are equal. It can be written in a fraction form.
Example :

The video, my partner Jocelle and I decided to re-write is about Ernie helping Cookiebunny count his cookies for Easter.

I apologize in advance. After uploading our video, my partner and I couldn't find our video. I don't know where in the world it is now :'(