Percentage A number divided by 100. It is the number of parts out of 100 of something.
Percentage For example, a quarter (25 cents) is 25 percent of a dollar (100 cents).
A quarter = 25 cents
A dollar = 100 cents
Percentage A quarter (25 cents) is 25 percent of a dollar (100 cents).
The fraction 25/100 is 25 percent, sometimes written as 25%
Discount A decrease in the regular price.
Discount A decrease in the regular price.
Discount A decrease in the regular price. Ex. Sale 20% Off
Regular Price is $50
Discount
20% of $50 .20 x $50
Discount $50 X .20 ___________ 00 1000 ___________________ 1000 Starting from far right move decimal 2 spaces left. $10.00
Discount $50 original price $10 Discount ____________________ New Price $40
Commission Money earned based on a percent of sales.
Commission For example, I am a salesman at a hardware store, and I earn 10% commission on the sales that I make.
Commission If I sell $3200 of merchandise at the store today, how much will I earn in commission?
Commision To figure out what 10% commission is on $3200 of sales multiply $3200 by .10
Commission $3200 X .10 _________________ 0 32000 _____________________ 32000
Starting from far right move decimal 2 spaces left.
$320
Tip Money given for a job well done.
Tip Be sure to give your waiter a 20% tip if he does a good job.
Tip Check please! My restaurant check is $76
Tip If I give the waiter a 20% tip, how much tip does the waiter get?
Tip $76 x.20 _____________ 0 1520 _______________ 1520 ____________________ $15.20 Tip for the waiter
Tip + Check Amount = Total Owed $76 .00 Check Amount $15.20 Tip ______________ $91.20 Total Owed
Base In a percent proportion, the whole quantity, or the number to which the part is being compared.
Base 4 out of 10 people wear glasses. 4:10 or 4/10 10 is the BASE
Percent Proportion A proportion or an equation made up of two fractions to solve percent problems.
What is 20% of 10?
Percent Proportion What is 20% of 10?
10 X .20 __________________ 0 200 _________________________ 200 Starting from far right move decimal 2 spaces left. 2.00
Percent Proportion What is 20% of 10?
2/10 = 20/100 = 20%
2 is the part 10 is the base 20 is the percent
Interest Money you can earn on money in a bank account or money you have to pay on a bank loan.
Interest For example, if I can earn 2.5% interest per year on money deposited and I deposit $100,000 how much money in interest will I earn in 1 year?
Interest $100,000 X .025 (2.5%) _____________ 500000 2000000 00000000 __________________ 2500000 Starting from far right move decimal 3 spaces left. $2,500.00 interest in 1 year earned
Principal The starting amount to which Interest is added. For example, the original amount that is borrowed in a loan is the principal of that loan.
Principal
For example, if one borrows $100,000, the principal amount is $100,000. Interest is calculated on the principal (and often over unpaid interest that accumulates).
Students can take a quiz on these words at www.RudolphAcademy.com
