## Sunday, October 17, 2010

### Hanna's Sesame Street Video

Ratio

Two Term Ratio - compares two quantities measured in the same units
eg. Squares to Circles
6 : 7

Three Term Ratio - compares three quantites measured in the same units
eg. Squares to Circles to Triangles
6 : 7 : 1

Part to Part Ratio - compares different parts of a group to each other
eg. Triangles to Squares
1 : 6

Part to Whole Ratio - compares one part of a group to the whole group
eg. Circles to Whole Group
7 : 14

Rate

Rate - compares two quantities measured in different units
eg. Larry can type 100 words/4 minutes

Unit Rate - a rate in which th second term is one
eg. Larry types 25 words/minute

Unit Price - a rate used when shopping
eg. \$1.78/100 grams of sauce

Proportional Reasoning

Proportional Reasoning - a relationship that says that two rates or ratios are equal
- can be written in fraction form

This is the video that I chose the rewrite. In this video, Grover tries to teach some student about school.

This is the video that I rewrote