Percent Unit Test Review

Front

What is the formula to calculate the percentage of a number?

Back

Percentage = (Part / Whole) × 100

Front

If 12 is 30% of a number, what is the number?

Back

Number = 12 / 0.30 = 40

Tags

CCSS.6.RP.A.3C

Front

How do you calculate the sale price after a percentage discount?

Back

Sale Price = Original Price - (Original Price × Discount Rate)

Tags

CCSS.6.RP.A.3C

Front

What is 20% of $248?

Back

20% of $248 = $248 × 0.20 = $49.60

Tags

CCSS.6.RP.A.3C

Front

What is simple interest?

Back

Simple Interest = Principal × Rate × Time

Tags

CCSS.7.RP.A.3

Front

If Maria borrowed $3,000 at a 4% interest rate for 4 years, how much interest does she pay?

Back

Interest = $3,000 × 0.04 × 4 = $480

Tags

CCSS.7.RP.A.3

Front

What is the total amount to be repaid including interest?

Back

Total Amount = Principal + Interest = $3,000 + $480 = $3,480

Tags

CCSS.7.RP.A.3

Front

How do you calculate sales tax?

Back

Sales Tax = Price × Sales Tax Rate

Tags

CCSS.7.RP.A.3

Front

If an item costs $774.99 and the sales tax is 13%, how much tax is paid?

Back

Tax = $774.99 × 0.13 = $100.75

Tags

CCSS.6.RP.A.3B

Front

What is the formula to find the number of items won based on a percentage?

Back

Number of Wins = Total Games × Winning Percentage