Percent, Percent Change and Percent Error

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%

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

• 15.79%
• 18.75%
• 2.25%
• 18%

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

• 35%
• 67%
• 85%
• 92%

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%

In one year Angelica’s height went from 60 inches to 63 inches. What was the percent of increase in Angelica’s height?

• 0.05%
• 4%
• 4.8%
• 5%

Find the percent increase. Round to the nearest percent.

From $5 to $8

• 40%

• 60%

• 55%

• 65%

Find each percent increase. Round to the nearest percent.

From 13 friends to 14 friends

• 20%

• 12%

• 15%

• 8%

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%

Find each percent decrease. Round to the nearest percent.

From $80 to $64

• 35%

• 10%

• 20%

• 25%

Find each percent decrease. Round to the nearest percent.

From 90 points to 45 points

• 55%

• 50%

• 45%

• 35%