12 terms

Ratio

a compromise of two quantities by division

Rate

a ratio comparing two quantities with different kinds of units

Unit Rate

a rate that is simplified so that it has a denominator of 1. ("unit" means 1)

Value of a Ratio

use the example as a definition since a ratio is a division problem

Equivalent Ratios

ratios that express the same relationship between two quantities; ratios that have the same value and simplified ratio

Percent

a ratio that compares a number to 100; percent of a quantity is a rate per 100

Associated Ratios

ratios that are related in some way

Double Number line

Two (connected ?) number lines that show comparison of two sets of numbers: The diagram shows pairs of equivalent ratios.

Ratio Table

a table listing pairs of numbers that form equivalent ratios.

convert

to change the form of a ratio without changing its value (finding an equivalent ratio).

Tape Diagram

a visual model that uses rectangles to represent parts of a ratio.

Equation

a mathematical sentence showing that two expressions are equal