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 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 * 0.20 = 10.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) * 100.

Tags

CCSS.6.RP.A.3C

Front

What is 125% of 84?

Back

105

Tags

CCSS.6.RP.A.3C

Front

What is 98% of 254?

Back

248.92

Tags

CCSS.6.RP.A.3C

Front

What is 20% of 102?

Back

20.4

Tags

CCSS.6.RP.A.3C

Front

How do you find the total cost including tax?

Back

Total Cost = Original Price + (Original Price * Tax Rate). For example, if a TV costs $899 and the tax rate is 6.5%, the tax is $58.43.

Tags

CCSS.6.RP.A.3C

Front

What does it mean to find a percentage increase?

Back

Finding a percentage increase means calculating how much a value has grown in relation to its original amount.

Tags

CCSS.6.RP.A.3C

Front

What does it mean to find a percentage decrease?

Back

Finding a percentage decrease means calculating how much a value has reduced in relation to its original amount.

Tags

CCSS.6.RP.A.3C

Front

If a class has 27 students and grows to 30, what is the percent change?

Back

11%.

Tags

CCSS.6.RP.A.3C