Understanding Percentages and Their Applications

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form) and then divide by 100.

Front

What is 15% of 200?

Back

30

Front

Convert 0.5 to percent.

Back

50%.

Front

What is 25% of 60?

Back

15.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100.

Front

Convert 90% to decimal.

Back

.90

Front

What is 50% of 150?

Back

75.

Front

If you have 40 coins and give away 10, what percent did you give away?

Back

25%.

Front

What is 10% of 500?

Back

50.