Model Percent

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted using the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100. For example, 1/2 = 0.5, and 0.5 x 100 = 50%.

Front

What is the formula to find the percent of a number?

Back

The formula to find the percent of a number is: (Part/Whole) x 100. For example, to find what percent 30 is of 150, calculate (30/150) x 100 = 20%.

Front

What does 100% represent?

Back

100% represents the whole or total amount. It means all of something.

Front

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

Back

If 50% of a number is 25, the number is 50. (25 is half of 50, so 50% of 50 is 25.)

Front

What is 30% of 200?

Back

30% of 200 is 60. (0.30 x 200 = 60.)

Front

How do you find 10% of a number?

Back

To find 10% of a number, divide the number by 10. For example, 10% of 250 is 25.

Front

What is the relationship between percentages and decimals?

Back

Percentages can be converted to decimals by dividing by 100. For example, 25% as a decimal is 0.25.

Front

What is 8% of 50?

Back

8% of 50 is 4. (0.08 x 50 = 4.)

Front

How do you increase a number by a certain percent?

Back

To increase a number by a certain percent, calculate the percent of the number and then add it to the original number. For example, to increase 100 by 20%, calculate 20% of 100 (which is 20) and then add it to 100, resulting in 120.