Percent of a Number

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 ratios.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (as a decimal). For example, to find 50% of 120, calculate 120 x 0.50 = 60.

Front

What does 100% of a number represent?

Back

100% of a number is the whole number itself. For example, 100% of 38 is 38.

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 120 is 60.

Front

What is 200% of a number?

Back

200% of a number is double that number. For example, 200% of 25 is 50.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percent 78 is of 156, calculate (78/156) x 100 = 50%.

Front

What is the formula for finding the percent of a number?

Back

The formula is: Percent = (Part/Whole) x 100.

Front

If 20 is 10% of a number, what is the number?

Back

To find the number, divide 20 by 0.10. The number is 200.

Front

What is the relationship between fractions and percents?

Back

Percents are a specific type of fraction where the denominator is 100. For example, 25% is equivalent to 25/100.

Front

How can you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide by 100. For example, 25% becomes 0.25.