7th Grade Percent Change

What is the formula to determine percent change?

• [New-Old]/New *100
• [New-New]/New *100
• [New-Old]/diference *100
• [New-Old]/Old *100

Tags

CCSS.6.RP.A.3C

Find the Percent of Change.  Round to nearest Percent.
Microwave:  Originally $96;  Markup to $115.20

• 20% Increase
• 17% Increase
• 20% Decrease 
• 17% Decrease

Tags

CCSS.6.RP.A.3C

Find the Percent of Change.  Round to nearest Percent.
What is the markup rate on a $470 ring that is now $634.50?

• 26% Decrease
• 35% Decrease
• 35% Increase
• 26% Increase

Tags

CCSS.6.RP.A.3C

Find the Percent of Change.  Round to nearest Percent. 
From 45 mph to 24 mph

• 47% Increase
• 88% Increase
• 88%  Decrease
• 47% Decrease

Tags

CCSS.6.RP.A.3C

Find the Percent of Change.  Round to nearest Percent.
From 5 qt  to 18 qt

• 72% Increase
• 260% Increase
• 72% Decrease
• 260% Decrease

Tags

CCSS.6.RP.A.3C

Susie got a raise.  She was making $8.75 an hour.  Now she is making $9.50.  What is the percent of change?

• 6% Increase
• 7% Increase
• 8% Increase
• 9% Increase

Tags

CCSS.6.RP.A.3C

Mary lost 30 pounds.  Before her diet she weighed 180 pounds.  What is the percent of change?

• 17% Decrease
• 18% Decrease
• 19% Decrease
• 20% Decrease

Tags

CCSS.6.RP.A.3C

 A DVD movie originally cost $24.99. Its current price is $19.99. What is the percent of change rounded to the nearest percent?

• 20%
• 20.008%
• 25%
• 25.01%

Tags

CCSS.6.RP.A.3C

In 1986 the average price of a gallon of gasoline was $0.93 cents. In 2007 the average price of a gallon of gasoline was $2.77. Find the percent of change.

• 197.85% decrease
• 66.43% increase
• 197.85% increase
• 66.43 % decrease

Tags

CCSS.6.RP.A.3C

Ms. Powell has 25 students in her class and 2 students were absent.What is the percent of change?

• 56%
• 8%
• 9%
• 92%

Tags

CCSS.6.RP.A.3C