Percents Review

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare quantities.

Front

How do you calculate the percent of a part to a total?

Back

To calculate the percent, divide the part by the total and then multiply by 100. Formula: (Part/Total) x 100.

Front

What is the formula to find the total when given a part and its percent?

Back

Total = Part / (Percent / 100).

Front

If 45% of a number is 90, what is the number?

Back

Number = 90 / 0.45 = 200.

Front

What is 150% of a number?

Back

150% of a number is 1.5 times that number.

Front

Convert 25% to a decimal.

Back

0.25

Front

Convert 75% to a fraction.

Back

3/4

Front

What is 12% of 50?

Back

6.

Front

If you have 20 apples and give away 5, what percent of the apples did you give away?

Back

(5/20) x 100 = 25%.

Front

What is the relationship between fractions, decimals, and percents?

Back

They are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.