Percent Change & Percent Error

Ms Thomas bought some stock for $15 a share and sold it at $20 a share. Find the approximate percent of change in the price of the stock.

• Increase of 33.3%
• Increase of 30%
• Decrease of 33.3%
• Decrease of 30%

Tags

CCSS.6.RP.A.3C

Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.

• Decrease of 40%
• Decrease of 10%
• Decrease of 30%
• Decrease of 20%

Tags

CCSS.6.RP.A.3C

Mrs. Banks bought a car for $25,000 and sold it 5 years later for $16,000. Find the percent decrease for the price of the car.

• 36%
• 9%
• 34%
• 26%

Tags

CCSS.6.RP.A.3C

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%
• 20%
• 2500%
• 80%

Tags

CCSS.6.RP.A.3C

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the approximate percent error?

• 15.79%
• 18.75%
• 2.25%
• 18%

Tags

CCSS.6.RP.A.3C

Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  

• 15%
• 20%
• 25%
• 30%

Tags

CCSS.6.RP.A.3C