ratio-two term, three term ratio, part to part and part to whole.
two term-compares two quantities measured in the same units.
three term-compares three quantities measured in the same units.
two term: 2:3 three term: 2:3:4
rate- unit rate and unit price.
unit rate-a rate in which the second term is one.
unit price- a unit price is used when shopping.
unit rate- 10km/3hrs unit price- $.98/pencil
proportion- a relationship that says that two ratio or two rates are equal.
proportion can be writtn in fraction form.