Decimals, Fractions, and Percents
Finding Percents or Numbers
Percent Increase and Decrease
Applications of Percents
Simple Interest
100
Order these numbers from greatest to least: 7/8 ; 0.88 ; 9% ; 90%
What is 90%, 0.88 ; 7/8 ; 9%
100
$36 is 40% of what amount?
What is $90
100
At a club fundraiser, a group of students washed 90 cars in one weekend. The next weekend, they washed 120 cars. What is the percent increase rounded to the nearest tenth?
What is 33.3%
100
Jackie's purchase before tax was totaled to be $32. That total including tax is now $33.92. What was the sales tax rate?
What is 6%
100
Kevin had $6,000 in his savings account. If the banks pays 6% interest per year on his savings account, how much interest does he earn in one year?
What is $360.
200
Is this number statement true? 0.1 = 10% = 1/10 < 20%
What is yes!
200
540 is 135% of what number?
What is 400
200
During a drought, the water in the city reservoir was 12 feet deep. After several rainy seasons, the level increased to 28 feet. What is the percent increase of the water rounded to the nearest tenth?
What is 133.3%
200
Mara sold a total of $12,000 worth of clothing last week at her store. If her commission is 4% of sales, how much commission did she earn?
What is $480
200
Find the total amount due on a simple-interest loan if the principal is $5,000 with a rate of 4% for 12 years.
What is $7,400.
300
In a free throw contest, Keith makes 45 baskets in 60 tries. What was his success rate as a reduced fraction and as a percent?
What is 3/4 ; 75%
300
The number 26 is 65% of a number. What is that number?
What is 40
300
Last year, Springfield Middle School had 900 students. This year, it has 750 students. What is the percent decrease?
What is 16.7%
300
Kat was purchasing clothes that totaled $68. Her town had a sales tax of 7.25%. What is her grand total?
What is $72.93
300
Jeremy has $5,400 in his savings account. If the bank pays 4.5% interest per year, how much interest will he earn in 5 years?
What is $1,215.
400
On a math quiz, Mick answered 17 of the 20 questions correctly. What was his quiz score as a percent?
What is 85%.
400
$141 is what percent of $300?
What is 47%
400
Last year, Mikes washed 128 cars in November. This year they washed 192 cars in November. What is their percent increase?
What is 50%
400
Ryan sold $7,800 worth of toys last week. He earns a 7% commission on his sales. How much commission did he earn?
What is $546.
400
Find the total amount due on a simple-interest loan if the principal amount is $8,500 with a rate of 3.2% for 5 years.
What is $9,860.
500
A large bag of marbles contains 57 blue marbles, 74 red marbles, and 69 yellow marbles. What percent of the marbles are red?
What is 37%.
500
778.5 is what percent of 450?
What is 173%.
500
Cherry Tree Elementary had 1,284 students participate in the Walk a Thon last year. This year, only 1,048 students participated. What is the percent decrease rounded to the nearest tenth?
What is 18.4%
500
Jackson sells a bike for $12,500. He earns a 9% commission on his sales. How much was his commission?
What is $1,125.
500
Karen deposited $8,500 into a college savings account for her grandson. The account earns 6.5% interest each year. How much money will it have after 10 years?
What is $14,025