6th Grade H Math Proportions, Ratios, etc

chapter 11
STUDY
PLAY
ratio
a comparison of two numbers or quantities by division
word (a to b) fraction (a over b) ratio (a:b)
three forms of a ratio
terms
the numbers in a ratio
equivalent ratios
have the same value, usually written as fractions
rate
a ratio that compares quantities with two different units of measure
unit rate
rate that has one unit as one of its terms
proportion
an equation that shows two ratios are equivalent (=)
solving proportions
use cross-products rule to solve for a missing term in a proportion.
writing proportions
ratios in proportions compare similar quantities