Percent Proportion and Percent Change

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

• 52%

• 41%

• 42%

• 45%

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?

• 800

• 180

• 80

• 120

What is 30% of 80?

• 30

• 24

• 2.4

• 56

What is the percent change when a quantity increases from 100 to 150?

• 25%

• 50%

• 75%

• 100%

In a percent proportion, One ratio compares a ​ (a)   of a quantity to the ​ (b)   .

• part

• whole

• proportion

• percent

• ratio

What is percent change?

• a percentage taken off a price, or a reduction in price

• money charged on sales based on a percent of the price

• a measurement that compares an old value to a new value

• a measurement that compares an estimate to an exact value

Use Notes #10.

Drag and drop the correct percent of change to each box.

a

b

c

20% decrease

25% increase

33% increase

23% decrease

Calculate the percent change from 50 to 75.

• 25%

• 50%

• 75%

• 100%

Match the correct proportion and value for change for the following situations.

b

d

e

g

h

i

increase $7

increase $5

decrease $5

decrease $7