Percents, Percents, Percents!!

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 50, calculate 50 * 0.20 = 10.

Front

What is 12% of 40?

Back

4.8

Front

What is 19% of 50?

Back

9.5

Front

What is 40% of 35?

Back

14

Front

How do you find the percent increase?

Back

To find the percent increase, subtract the old value from the new value, divide by the old value, and multiply by 100. Formula: ((New Value - Old Value) / Old Value) * 100.

Front

Last year the enrollment at Clark Middle School was 465 students. This year the enrollment is 525 students. What is the percent of increase?

Back

13%.

Front

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase?

Back

41%.

Front

What is the formula for calculating percent?

Back

Percent = (Part / Whole) * 100.

Front

If 25% of a number is 50, what is the number?

Back

The number is 200.