Percent Change Math Antics

What does 'percent' literally mean?

• Per 10

• Per 100

• Per 1000

• Per 50

If you start with $100 and gain $20, what is the percent increase?

• 25%

• 10%

• 20%

• 15%

What is the percent increase when the original amount is $750 and it increases by $150?

• 10%

• 15%

• 20%

• 25%

How do you calculate percent change?

• (Change in value / Original value) * 100

• New value minus original value

• Original value minus new value

• (Original value / Change in value) * 100

What is the percent increase if a doggie daycare's dog count goes from 25 to 28?

• 10%

• 12%

• 15%

• 20%

Using a coupon reduces the price of $65 shoes by $15. What is the percent decrease?

• 25%

• 30%

• 23%

• 20%

If a school's student population grows from 420 to 441, what is the percent increase?

• 3%

• 4%

• 6%

• 5%

What is the percent increase when the quantity doubles?

• 75%

• 100%

• 200%

• 50%

What is the percent decrease when the quantity is halved?

• 100%

• 75%

• 50%

• 25%

If you start with 1 and end up with 3, what is the percent increase?

• 250%

• 150%

• 200%

• 100%