Percent of a number
IS/ OF
Percent Increase/ Decrease; Markup/ Markdown
Percent Error
Interest, Tax, Gratuity, Commission
100
15% of 30
What is 4.5?
100
Anna produced 32 bracelets of the 54 bracelets produced by Emily and Anna over the weekend. Compare the number of bracelets that Emily produced as a percent OF those that Anna produced.
What is 68.75%
100
Amber got a raise, and her hourly wage increased from $8 to $9.50. What is the percent increase?
What is 18.75% increase?
100
I thought 70 people would turn up to the concert. However, 80 people showed up for the concert. What is the percent error?
What is 12.5%
100
Terry deposits $200 into a bank account that earns 3% simple interest per year. What is the total amount in the account after 2 years?
What is $212?
200
150% of $22
What is $33?
200
There are 750 students in the seventh-grade class and 625 students in the eighth grade class at Kent Middle School. What percent IS the seventh-grade class OF the eighth grade class at Kent Middle School?
What is 120%
200
Cassandra has five rings. Her aunt said she will buy her another ring for her birthday. If Cassandra gets the ring for birthday, what will be the percent increase in her ring collection?
What is 20%
200
The report said the car-park held 240 cars, but we counted only 200 parking spaces. What is the percent error?
What is 20%
200
Marcus buys a jacket from a clothing store in Arlington. The price of the jacket is $80 and the sales tax is 8%. What is the total cost of the jacket?
What is $86.40?
300
In Ty’s math class, 20% of students earned an A on a test. If there were 30 students in the class, how many got an A?
What is 6 students?
300
At Kent Middle School, there are 104 students in the band and 80 students in the choir. What percent OF the number of students in the choir IS the number of students in the band?
What is 130%
300
David moved from a house that is 89 miles away from his workplace to a house that is 51 miles away from his workplace. What is the percent decrease in the distance from his home to his workplace?
What is 42.7%
300
It was forecast for us to receive 20 mm of rain. However, we received 25 mm of rain. What is the percent error?
What is 20%?
300
My restaurant bill comes to $75.50 and I leave a 15% tip. What is my total restaurant bill?
What is $86.83?
400
In Ty’s art class, 12% of the Flag Day art projects received a perfect score. There were 25 art projects turned in by Ty’s class. How many of the art projects earned a perfect score?
What is 3 students?
400
If 39 is 15% of a number, what is that number?
What is 260
400
The number of students in a chess club decreased from 18 to 12. What is the percent decrease?
What is 33.3%
400
Denis wants to buy a birthday card for his wife. He calculates the amount of the card as $4.50. The actual price of the card is $4. What is Denis's percent error?
What is 12.5%
400
Tony sells sporting goods. He makes a 10% commission on every dollar of sales that he makes. One month Tony got a commission check for $2,500. What were his sales in dollars that month?
What is $25,000?
500
Haley is making admission tickets to the middle school dance. So far she has made 112 tickets, and her plan is to make 320 tickets. What percent of the admission tickets has Haley produced so far? Solve the problem using the percent formula.
What is 35%
500
A: If 39 is 1% of a number, what is that number?
What is 3,900?
500
The grizzly bear population in Yellowstone National Park in 1970 was about 270. Over the next 35 years, it increased by about 115%. What was the population in 2005?
What is 580 bears?
500
Andy uses his thermometer and finds the boiling pint of ethyl alcohol to be 75 degree C. He looks in a reference book and finds the actual boiling point of ethyl alcohol is 80 degrees C. What is his percent error?
What is 6.25%
500
Aaron finds that a game is on sale for 10% at Wal-Mart. The original price was $59.99. Aaron must also pay 9.5% sales tax. What is cost of the game before taxes? How much is the game after the discount and taxes have been applied?
What is $59.12?