Percent Proportions

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the percent grade from points earned?

Back

Percent grade = (Points earned / Total possible points) x 100.

Front

If 60 points were earned out of 75, what is the percent grade?

Back

80%.

Front

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

Back

Percent = (Part / Whole) x 100.

Front

If 26 is 5% of a number, how do you find that number?

Back

Number = Part / (Percent / 100). In this case, Number = 26 / (5 / 100) = 520.

Front

What percent is 78 of 450?

Back

Percent = (78 / 450) x 100 = 17%.

Front

What does it mean if a number is 50% of another number?

Back

It means that the number is half of the other number.

Front

If Shirley spelled 12 out of 15 words correctly, how do you find her percent grade?

Back

Percent grade = (12 / 15) x 100 = 80%.

Front

What is the relationship between fractions and percents?

Back

Percents are a way to express fractions with a denominator of 100.

Front

How can you convert a fraction to a percent?

Back

Multiply the fraction by 100 and add a percent sign.