Percents (tax, tips, and discounts)

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is often used to compare values and express how much one value is of another.

Front

How do you calculate the percent decrease?

Back

Percent decrease is calculated by taking the difference between the original value and the new value, dividing that by the original value, and then multiplying by 100.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for calculating a percent of a number?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What does it mean to find a discount?

Back

Finding a discount means calculating how much money is taken off the original price of an item, usually expressed as a percent.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the final price after a discount?

Back

To calculate the final price after a discount, subtract the discount amount from the original price. The discount amount is found by multiplying the original price by the discount percent (in decimal form).

Tags

CCSS.6.RP.A.3C

Front

What is a tip?

Back

A tip is a small amount of money given to someone for their service, often expressed as a percent of the total bill.

Tags

CCSS.6.RP.A.3C

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 $50 bill with a 15% tip, calculate 50 * 0.15 = $7.50.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between fractions and percents?

Back

Percents can be converted to fractions by placing the percent over 100 and simplifying. For example, 25% is equivalent to 25/100, which simplifies to 1/4.

Front

How do you find the percent of a total?

Back

To find the percent of a total, divide the part by the total and multiply by 100. For example, if 30 out of 50 students passed, the percent is (30/50) * 100 = 60%.

Front

What is the formula for calculating the percent of a decrease?

Back

Percent decrease = (Original Value - New Value) / Original Value * 100.

Tags

CCSS.6.RP.A.3C