Finding Percentages of Whole Numbers - On Your Own

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It represents how many parts out of 100 are being considered.

Front

How do you calculate a percentage of a whole number?

Back

To calculate a percentage of a whole number, multiply the whole number by the percentage (in decimal form). For example, to find 30% of 200, calculate 200 x 0.30.

Front

What is 30% of 200?

Back

60

Front

What is 30% of 90?

Back

27

Front

What is 45% of 200?

Back

90

Front

What is 40% of 150?

Back

60

Front

What is 75% of 160?

Back

120

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number means determining how much that percentage represents in terms of the whole number.

Front

If you want to find 50% of a number, what do you do?

Back

To find 50% of a number, divide the number by 2. For example, 50% of 100 is 100 / 2 = 50.

Front

What is the formula to convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 25% as a decimal is 25 / 100 = 0.25.