A B C D E F G H I J K L M N O P Q R S T U V W XYZ

U

unit ratio

A ratio with a denominator of one.

unit whole

The shape or piece that is equal to 1.

image placeholder

pages 60–63, 64, 69–70, 74–75, 90, 96, 363

unknown

3072 = 3000 + n + 2. The n is called an unknown.