Percent Proportion (Find the Part)

Front

What is a percent?

Back

A percent is a ratio that compares a number to 100. It is often used to express how much of something there is in relation to a whole.

Front

How do you find the part when given a percent and a whole?

Back

To find the part, multiply the whole by the percent (as a decimal). For example, to find 20% of 75, calculate 75 x 0.20 = 15.

Front

What does 'of' mean in percent problems?

Back

'Of' refers to the whole amount in a percent problem. For example, in '20% of 75', 75 is the whole.

Front

What does 'is' mean in percent problems?

Back

'Is' refers to the part of the whole that is being calculated. For example, in '20% of 75 is 15', 15 is the part.

Front

How do you convert a percent to a decimal?

Back

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

Front

What is 40% of 200?

Back

80

Front

If 72% of 25 questions were answered correctly, how many questions were answered correctly?

Back

18

Front

What is 25% of 28 students?

Back

7 students

Front

What is the formula to find the part in a percent problem?

Back

Part = Whole x Percent (as a decimal)

Front

If 20% of a number is 15, what is the number?

Back

To find the number, divide the part by the percent (as a decimal): Number = 15 / 0.20 = 75.