6th Grade: Understanding Percents

Front

What is a percent?

Back

A percent is a way to express 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, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What does 100% represent?

Back

100% represents the whole or total amount of something.

Front

If 50% of a class of 20 students are girls, how many girls are there?

Back

There are 10 girls in the class. (50% of 20 = 0.5 x 20 = 10)

Front

What is the percent increase?

Back

Percent increase is calculated by taking the difference between the new value and the original value, dividing by the original value, and then multiplying by 100.

Front

If a shirt costs $40 and is on sale for $30, what is the percent decrease in price?

Back

The percent decrease is 25%. (Difference: $10; Percent decrease: ($10/$40) x 100 = 25%)

Front

What is the formula for finding the percent of a total?

Back

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

Front

If 3 out of 10 students passed a test, what percent passed?

Back

30% of the students passed. (3/10 = 0.3; 0.3 x 100 = 30%)

Front

What percent of 200 is 50?

Back

25%. (50/200 = 0.25; 0.25 x 100 = 25%)

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 multiply by 100.