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Percentages

10 videos
3 skills
At least 50% of the math that you end up doing in your real life will involve percentages. We're not really sure about that figure, but it sounds authoritative. As you'll see "percent" literally means "per cent" or "per hundred". It's a pseudo-decimally thing that our society likes to use even though decimals or fractions alone would have done the trick. Either way, we're 100% sure that your ability to move smoothly and effortlessly between decimals, percents, and fractions will win you many friends in math class. Common Core Standard: 6.RP.A.3c

The meaning of percent

VIDEO 3:01 minutes
Let's start by thinking about what percent really means. Once you understand this, other pieces will begin to fall into place.

The meaning of percent over 100

VIDEO 2:22 minutes
How does our meaning of percent (per "hundred") translate when we need to understand a percent OVER a hundred?

Converting percent to decimal and fraction

VIDEO 3:32 minutes
You'll find that be able to move easily between percentages, decimals, and fractions is HUGELY helpful. So let's practice!

Converting decimals to percents

VIDEO 2:36 minutes
Need to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed.

Converting decimals to percents example 2

VIDEO 1:48 minutes
Understanding how to convert a decimal to a percent comes in really handy sometimes. Let's practice using this problem.

Converting percents to decimals

VIDEO 1:23 minutes
Remember that "per cent" means "per hundred." Knowing that, converting a percent to a decimal is done by dividing by a 100. We'll demonstrate.

Converting percents to decimals example 2

VIDEO 1:13 minutes
Practice another conversion problem, this time from percent to decimal. Arriving at the answer is as simple as dividing by 100!

Finding a percentage

VIDEO 3:33 minutes
Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer.

Percent word problem

VIDEO 2:49 minutes
It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division!

Percentage of a whole number

VIDEO 2:07 minutes
We hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number.

Finding percents

PRACTICE PROBLEMS
Find a percent of a quantity as a rate per 100; solve problems involving finding the whole, given a part and the percent.