Percent Proportions

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 '%'. For example, 50% means 50 out of 100.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What is the percent grade if a student scores 12 out of 15 on a test?

Back

80% (calculated as (12/15) x 100).

Front

If a student answers 6 questions wrong out of 30, what percent did they get correct?

Back

80% (calculated as (24/30) x 100, where 24 is the number of correct answers).

Front

What percent is 5 out of 130?

Back

3.85% (calculated as (5/130) x 100).

Front

In a class of 30 kids, if 3 forgot to get their report cards signed, what percent is that?

Back

10% (calculated as (3/30) x 100).

Front

What does it mean if 71 out of 200 plants have developed seeds?

Back

It means that 35.5% of the plants have developed seeds (calculated as (71/200) x 100).

Front

What is the formula to find the part when given the percent and the whole?

Back

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

Front

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

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.