Percents Review Game

Percent Equation

100

What percent of 25 is 12?

48%

200

25% of what number is 9

36

300

What number is 0.4% of 40?

0.16

400

Of 140 seventh-grade students, 15% earn the Presidential Youth Fitness Award. How many students earn the award? 

21 students

500

You are assigned 32 math questions for homework. You complete 75% of the questions before dinner. How many questions do you have left do do after dinner?

8 questions

Percent Increase or Decrease

100

Find the percent of change from 75 people to 25 people.

66.7%

200

Find the percent of change from 10 gallons to 24 gallons.

140%

300

Find the percent of change from 5/4 to 3/8.

70%

400

You estimate the weight of your little dog to be 5.4 pounds. The actual weight is 7.2 pounds. Find the percent error.

25%

500

On Monday there were 60 marbles in the prize jar. On Friday there were 68 marbles in the prize jar. Find the percent of increase

13.3%

Mark-Up and Discount

100

Find the sale price when a shirt originally costs $50 and has a 15% discount.

$42.50

200

What is the original price of a skate board that is 20% off and the sale price is $75.

$93.75

300

A store pays $50 for a pair of shoes. The markup is 25%. What is the selling price for the shoes?

$62.50

400

You buy a watch for $60. There is a 6% sales tax. What is your total cost for the watch. 

$63.60

500

A customer is purchasing last year's version of the Football Mania video game, which was originally $55. It is on a sales rack that says 60% off. The customer has a coupon for 30% off his entire purchase. What is the cost of the video game? 

$15.40

Simple Interest

100

Find the interest and balance on an account with a principal of $1800 at 6.5% for 2.5 years?

Interest = $292.50

Balance = $2092.50

200

I = $160, P = $$2000, T = 0.75

R = 12%

300

I = $450, P = $2400, R = 7.5%

T = 2.5 years

400

Find the total amount paid for the loan when you borrow $1500 at 9% for 2 years.

$1770

500

You deposit $100 in an account. The account earns $2 simple interest in 6 months. What is the annual interest rate?

4%

Miscellaneous

100

Write 3% as a decimal

0.03

200

My name is Jenna Saalfeld. What percent of the letters of my name are vowels?

38.5%

300

Order from least to greatest.

91.6%, 0.91, 11/12, 0.917, 9.2%

9.2%, 0.91, 91.6%, 11/12, 0.917

400

Research indicates that 90% of the volume of an iceberg is below water. The volume of the iceberg above the water is 160,000 cubic feet. What is the volume of the iceberg below water?

1,440,000 cubic feet

500

You estimate that there are 66 cars in a parking lot. The actual number of cars is 75. Find the percent error.

12%