Marie and I
Two term ratio: Compares 2 quantities measured in the same units. (eg. c:d)
Three term ratio: Compares 3 quantities measured in the same units. (eg. c:d:e)
Part to part ratio: Compares different parts of a group to each other. (eg. 2:4, c:d)
Part to whole ratio: Compares one part of the group to the whole group. It can be written as a fraction, decimal and percent. (eg. c:all letters, 10:21)
Rate: Compares 2 quantities measured in different units. (eg. 1meter/6s)
Unit rate: A rate where the second term is 1. (eg. 5km/1hr)
Unit price: A rate used when shopping. (eg. $3/100g)
Proportional Reasoning: A relationship that says that 2 rates or ratios are equal. It can be written in fraction form. (eg. 3/4 = 6/8 )
The original video is called, "Sesame Street: Pretend Teeth"
This video is about Abby and Elmo teaching everyone how to brush their teeth.
We did a remake on, "Sesame Street: Pretend Teeth"
Our video is about proportional reasoning and rates, and different kinds of examples.