Module 3 Vocabulary

• percent increase
• percent decrease
• proportion
• ratio

• percent increase
• percent decrease
• proportion
• ratio

Ratio used to convert one measure of unit to another

• proportion
• rate of change
• conversion factor
• percent

Fraction

• rate of change

• percent

• ratio

• unit rate

Kilo…, Hecto…, Deka…, /  Deci…, Centi…, Mili…

• customary system
• metric system

The measurement system often used in the United States

• customary system
• metric system

Ratio compared to 100

• ratio
• rate of change
• percent
• unit rate

Rate that describes how one quantity changes in relation to another 

• ratio
• constant
• percent
• rate of change

A rate in which the second quantity in the comparison is one. How much per one.

• rate

• unit rate

• proportion

• percent

Tax on the sale of an item or service as a percent of the purchase price.

• percent

• ratio

• unit rate

• sales tax