Show:
Percent of Change
Markup/Markdown
Simple Interest
Percent Error
100

The price of a basketball increased from $40 to $50. What is the percent of increase?

25 % increase

10/40 = 25%

100

A store buys a pair of jeans for $30 and marks them up 40%. What is the selling price?

$42

100

Kiara deposits $500 in a savings account at 4% annual interest for 2 years. How much interest will she earn?

$40

100

A student measures a pencil to be 15 cm, but the actual length is 16 cm. What is the percent error?

6.25%

200

A school’s student population dropped from 600 students to 510. What is the percent of decrease?

15 % decrease

90/600 = 15 %

200

A video game originally costs $50. The store marks it down 20%. What is the sale price?

$40

200

Brad invests $800 at 5% annual interest for 3 years. How much interest does he earn?

$120

200

You estimate a football field is 100 yards long, but it is actually 95 yards. What is the percent error?

5.26%

300

A video game originally cost $60, but now it costs $45. What is the percent of change?

25 % decrease

15/60 = 25 %

300

A store pays $15 for a hat. If the markup is 60%, what is the selling price?

$24

300

Sarah takes out a $1,000 loan at 6% annual interest for 4 years. How much interest does she pay?

$240

300

A scientist predicts a rock weighs 2.5 kg, but its actual weight is 2.3 kg. What is the percent error?

8.70%

400

A runner improved their mile time from 8 minutes to 6.5 minutes. What is the percent of decrease?

18.75 % decrease

1.5/8 = 18.75 %

400

A bike is originally $200, but it is marked down 35%. What is the new price?

$130

400

John deposits $1,200 into a savings account at 3% annual interest for 5 years. How much interest does he earn?

$180

400

Where did Mr. Friesz go to high school? Hint the school's name starts with an "F". 

Flasher High School

500

A T-shirt was $20 and now costs $25. What is the percent of increase?

25 % increase 

5/20 = 25%

500

Mr. Friesz is a college football player for DSU. What number does he wear?  

#12

500

A car loan is $5,000 at 7% annual interest for 2 years. How much interest is paid?

$700

500

A student guesses a jar contains 80 marbles, but it really has 100 marbles. What is the percent error?

20%