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# Converting decimals and percents review

Review writing decimals as percents and percents as decimals.  Then, try some practice problems.

## What does percent mean?

Percent means 'per hundred.' So, we can replace a percent sign with 'per hundred.'
Example:

## Writing percents as decimals

To write a percent as a decimal, we divide the percent by $100$.
Example 1
Let's convert $42\mathrm{%}$ to a decimal:
$42\mathrm{%}=0.42$
Example 2
Let's convert $370\mathrm{%}$ to a decimal:
$370\mathrm{%}=3.7$

## Practice

Problem 1A
Express the percent as a decimal.
$92\mathrm{%}$

Want to try more problems like this? Check out this exercise.

## Writing decimals as percents

To write a decimal as a percent, we multiply the decimal by $100$.
Example 1
Let's convert $0.03$ to a percent:
$0.03=3\mathrm{%}$
Example 2
Let's convert $5.8$ to a percent:
$5.8=580\mathrm{%}$

## Practice

Problem 2A
Express the decimal as a percent.
$0.31$
$\mathrm{%}$

Want to try more problems like this? Check out this exercise.

## Want to join the conversation?

• Why is this hard at times but when you get then answer it is so easy?
• I know, right it happened to me like 5 or six times today.
• i think i'm not good at this.
• Everyone has different talents. So if your not good at math you are good at something. Be confident, cheer up, and study. Good luck!
• i know the answer but what is 78 divided by 2
• To divide 78 by 2 you see how many times 2 fits into 7. 3 times or 6. 7-6 is 1. How many times does two fit into 18? 9 times. Your answer is 39.
• Persistence is often more important than intelligence. Exercise!
• the answer is on the explain sheet
• Either I'm stupid, or this is hard.

I'm probably stupid.
• Bro u are perfectly fine.