Percent Increase and Decrease Problems

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown relative to its original amount, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has shrunk relative to its original amount, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent increase?

Back

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

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent decrease?

Back

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

Tags

CCSS.6.RP.A.3C

Front

If a price increases from $100 to $120, what is the percent increase?

Back

20%.

Tags

CCSS.6.RP.A.3C

Front

If a price decreases from $66.64 to $29.99, what is the percent decrease?

Back

54.9%.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for finding the new value after a percent increase?

Back

New Value = Original Value x (1 + Percent Increase).

Tags

CCSS.6.RP.A.3C

Front

What is the formula for finding the new value after a percent decrease?

Back

New Value = Original Value x (1 - Percent Decrease).

Tags

CCSS.6.RP.A.3C

Front

If the number of people increased from 32 to 45, what is the percent increase?

Back

41%.

Tags

CCSS.6.RP.A.3C

Front

If a product originally costs $80 and is now $64, what is the percent decrease?

Back

20%.

Tags

CCSS.6.RP.A.3C