Percent Increase or Decrease Vocabulary

a special ratio that compares a number to 100 using the % symbol; a rate per 100

• rate

• percent

• ratio

• unit

The amount by which the cost decreased from the initial value, expressed as a percent.

• percent increase

• unit rate

• percent decrease

• coupon

The amount by which the cost increased from the initial value, expressed as a percent.

• unit rate

• percent increase

• percent decrease

• sales tax

Does this question represent a percent INCREASE or a percent DECREASE?

• Increase

• Decrease

• 20%

• 25%

• 30%

• 15%

• 20%

• 25%

• 30%

• 15%

A car decreases in value by 15% over a year. If it was originally worth $20,000, what is its value after one year?

• $17,000

• $18,000

• $15,000

• $16,500

What is the vocabulary word that matches this definition:

Describes how much a quantity increases in comparison to the original amount.

• Percent Decrease

• Percent Increase

What is the vocabulary word that matches this definition:

Describes how much a quantity decreases in comparison to the original amount.

• Percent Decrease

• Percent Increase

The first step to find the percent increase or decrease is to __________ the amounts.

• add

• subtract

• multiply

• divide