## Tuesday, October 19, 2010

### Leea's Sesame Street Video

Members:
Leea Kewall: Camera person
Duyen Chau: The shop representive
Sandra Freund: Customer

Ratio
two-term ratio - comparing two quantities measured in the same units
three-term ratio- compares 3 quantities measured in the same units
part to part ratio- compares 1 part of a group to each other
part to whole- compares 1 part of a group to the whole group and can be written as a decimal, fraction or a percent
Example: 1 teddy bear : the total of stuffed animals

Rate
rate- compares 2 quantities measured in different units
unit rate- a rate in which the second term is one
unit price- a unit rate used when shopping
Example: \$1.50/stuffed animal, \$4.00/2 stuffed animals

Proportion
proportion- a relationship that says that 2 ratios or 2 rates are equal

Part 1: Orignal Video: Banana Sign
http://www.sesamestreet.org/video_player/-/pgpv0/37899ce0-7d5a-42bc-a93a-3a31369b42/banana_sign
Samara wants a banana, but Telly doesn't understand the sign language until the end of the video.