Diorella and I
Two term ratio: Compares 2 quantities measured in the same units. (eg. a:b)
Three term ratio: Compares 3 quantities measured in the same units. (eg. a:b:c)
Part to part ratio: Compares different parts of a group to each other. (eg. 1:3, 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. a:all letters, 5:10)
Rate: Compares 2 quantities measured in different units. (eg. 5m/3s)
Unit rate: A rate where the second term is 1. (eg. 3km/1hr)
Unit price: A rate used when shopping. (eg. $2/100g)
Proportional Reasoning: A relationship that says that 2 rates or ratios are equal. It can be written in fraction form. (eg. 1/2 = 2/4)
The original video was from Youtube. It is called "Sesame Street: Pretend Teeth"
This video is about Elmo and Abby pretending to brush their teeth.
Our remake of "Sesame Street: Pretend Teeth"
Our video is about ratios and the different kinds of examples.