Finding Percent of a Number

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios and express how much of something there is in relation to a whole.

Front

How do you find 10% of a number?

Back

To find 10% of a number, divide the number by 10.

Front

If you have 40 problems and get 10% wrong, how many did you get wrong?

Back

4 problems.

Front

What is the formula to find the percent of a number?

Back

Percent = (Part/Whole) x 100.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100.

Front

If 60% of a group of 45 people ate nachos, how many did not eat nachos?

Back

18 people did not eat nachos.

Front

What percent of $2000 is $120?

Back

6%.

Front

If 12 students make up 24% of a choir, how many students are in the choir?

Back

50 students.

Front

If 40 children represent 25% of a club, how many children are in the club?

Back

160 children.

Front

What does it mean if something is 25% of a total?

Back

It means that the part is one-fourth of the total amount.