Percent Review

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents how much of something exists in relation to a whole.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply the result by 100.

Front

What is 10% of a number?

Back

10% of a number is the same as dividing that number by 10.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100.

Front

What is the formula to calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) * 100.

Front

If Sarah earns $20 a day and spends 30% of it, how much does she spend?

Back

Sarah spends $6.

Front

What is 60% of 80?

Back

60% of 80 is 48.

Front

How do you calculate 25% of a number?

Back

To calculate 25% of a number, divide the number by 4.

Front

What percent is 0.6?

Back

0.6 is 60%.

Front

If 10% of a number is 8, what is the number?

Back

The number is 80.