Percent Increase/Decrease

Front

What is percent increase?

Back

Percent increase is the amount of increase expressed as a percentage of the original amount. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

What is percent decrease?

Back

Percent decrease is the amount of decrease expressed as a percentage of the original amount. It is calculated using the formula: ((Original Value - New Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

How do you determine if a value has increased or decreased?

Back

To determine if a value has increased or decreased, compare the new value to the original value. If the new value is greater, it is an increase; if it is less, it is a decrease.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

What is the formula to calculate the new value after a percent increase?

Back

New Value = Original Value + (Original Value x Percent Increase / 100).

Tags

CCSS.6.RP.A.3C

Front

What is the formula to calculate the new value after a percent decrease?

Back

New Value = Original Value - (Original Value x Percent Decrease / 100).

Tags

CCSS.6.RP.A.3C

Front

If a shirt costs $20 and increases by 25%, what is the new price?

Back

New Price = $20 + ($20 x 25 / 100) = $25.

Tags

CCSS.6.RP.A.3C

Front

If a population of a town decreases from 1,000 to 800, what is the percent decrease?

Back

Percent Decrease = ((1000 - 800) / 1000) x 100 = 20%.

Tags

CCSS.6.RP.A.3C

Front

What is 44% of 325?

Back

44% of 325 = (44 / 100) x 325 = 143.

Tags

CCSS.6.RP.A.3C

Front

If attendance at a concert increases from 2,376 to 2,950, what is the percent increase?

Back

Percent Increase = ((2950 - 2376) / 2376) x 100 = 24%.

Tags

CCSS.6.RP.A.3C

Front

If a class has 35 students and increases to 42 students, what is the percent increase?

Back

Percent Increase = ((42 - 35) / 35) x 100 = 20%.

Tags

CCSS.6.RP.A.3C