Level 1: Percent Applications

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 a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What is a raise in salary?

Back

A raise in salary is an increase in the amount of money earned, usually expressed as a percentage of the current salary.

Front

How do you calculate the new salary after a raise?

Back

To calculate the new salary after a raise, multiply the current salary by the raise percentage (in decimal form) and add it to the current salary. For example, if the current salary is $10 and the raise is 10%, the new salary is $10 + ($10 x 0.10) = $11.

Front

What is sales tax?

Back

Sales tax is a percentage added to the price of goods and services, collected by the seller and paid to the government.

Front

How do you calculate the total cost including sales tax?

Back

To calculate the total cost including sales tax, multiply the price by the sales tax rate (in decimal form) and add it to the original price. For example, for a $100 item with a 5% tax, the total cost is $100 + ($100 x 0.05) = $105.

Front

What is a discount?

Back

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

Front

How do you calculate the sale price after a discount?

Back

To calculate the sale price after a discount, multiply the original price by the discount percentage (in decimal form) and subtract it from the original price. For example, for a $50 item with a 20% discount, the sale price is $50 - ($50 x 0.20) = $40.

Front

What is a tip?

Back

A tip is a small amount of money given to service workers, usually calculated as a percentage of the total bill.

Front

How do you calculate a tip?

Back

To calculate a tip, multiply the total bill by the tip percentage (in decimal form). For example, for a $30 bill with a 15% tip, the tip is $30 x 0.15 = $4.50.