Basic Percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the total cost after tax?

Back

To calculate the total cost after tax, multiply the original price by the tax rate (as a decimal), then add that amount to the original price.

Tags

CCSS.6.RP.A.3B

Front

What is a discount?

Back

A discount is a reduction in the original price of a product or service, usually expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the new price after a discount?

Back

To find the new price after a discount, multiply the original price by the discount rate (as a decimal) and subtract that amount from the original price.

Tags

CCSS.6.RP.A.3C

Front

What does it mean to decrease a value by a percentage?

Back

To decrease a value by a percentage means to reduce the original amount by that percentage of itself.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the amount of a tip?

Back

To calculate a tip, multiply the total bill by the tip percentage (as a decimal).

Tags

CCSS.6.RP.A.3C

Front

What is the formula for finding the total cost including tax?

Back

Total Cost = Original Price + (Original Price × Tax Rate)

Tags

CCSS.6.RP.A.3C