Percent Proportions

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents how many parts out of 100 are being considered.

Front

How do you calculate the percentage of correct answers on a test?

Back

To calculate the percentage of correct answers, divide the number of correct answers by the total number of answers, then multiply by 100.

Front

What is the formula to find what percent one number is of another?

Back

The formula is: (Part/Whole) x 100 = Percent.

Front

If 36 out of 40 answers are correct, what is the percentage of correct answers?

Back

90%.

Front

How do you express a fraction as a percent?

Back

To express a fraction as a percent, divide the numerator by the denominator and multiply by 100.

Front

What is 5% of 200?

Back

10.

Front

If 78 is 17% of what number, how do you find that number?

Back

Divide 78 by 0.17 to find the whole number.

Front

What is the relationship between fractions, decimals, and percents?

Back

They are different ways to represent the same value. For example, 1/5 = 0.20 = 20%.

Front

How do you find the total number if you know a percentage of it?

Back

Divide the part by the percentage (in decimal form) to find the total.

Front

What is 34% of 150?

Back

51.