Percent of a Number

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (in decimal form) and then divide by 100.

Front

What is 50% of 200?

Back

100

Front

If 25% of a number is 30, what is the number?

Back

120

Front

What does it mean if a student scores 90% on a test?

Back

It means the student answered 90 out of 100 questions correctly.

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 by 100.

Front

What is 10% of 150?

Back

15

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

$30

Front

What percent is 15 out of 60?

Back

25%.

Front

If 60% of a class of 30 students are girls, how many girls are in the class?

Back

18 girls.