Percents Review

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 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 the decimal equivalent of 25%?

Back

0.25

Front

If you have 50% of a number, what does that mean?

Back

It means you have half of that number.

Front

How do you find the percentage of a number?

Back

To find the percentage of a number, multiply the number by the percent (in decimal form).

Front

What is the formula to calculate the percentage of correct answers on a test?

Back

(Number of correct answers / Total number of questions) x 100.

Front

Convert 0.72 to a percent.

Back

72%.

Front

If 40% of a class are boys and there are 20 boys, how many students are in the class?

Back

50 students.

Front

What is the percentage of questions answered incorrectly if 22 out of 40 questions were wrong?

Back

55%.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100.