Finding Percents Review

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percent of a number?

Back

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

Front

What is 20% of 75?

Back

15

Front

Angela made 90% of the 50 free throws she attempted. How many free throws did Angela make?

Back

45

Front

What is 12% of 40?

Back

4.8

Front

8% of 70 is what number?

Back

5.6

Front

When finding a percent, what are the three components involved?

Back

Part, Percent, Whole.

Front

If you know the part and the whole, how do you find the percent?

Back

Divide the part by the whole and multiply by 100. For example, if the part is 15 and the whole is 75, then (15/75) x 100 = 20%.

Front

What does it mean to find the 'part' in a percent problem?

Back

Finding the 'part' means determining the specific quantity that corresponds to the given percent of the whole.

Front

What is the formula to find the whole when given the part and the percent?

Back

Whole = Part / (Percent / 100). For example, if the part is 15 and the percent is 20%, then Whole = 15 / (20 / 100) = 75.