# How to Do Averages in Fourth Grade Math

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Doing averages in fourth grade math will usually involve factors like test scores. Do averages in fourth grade math with help from an experienced mathematics educator in this free video clip.

Part of the Video Series: Math Lessons & Tips
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## Video Transcript

Hi, my name is Marija, and today I'm gonna show you how to do averages in fourth grade math. If some of the test scores that you might have gotten are an 80, a 70, a 100 and let's say another 70, and you want to find the average of these scores, the first thing that you have to do is add all of the numbers together. So step one, add everything together. So on the side we'll do 100 plus 80 plus 70 plus another 70. So we get zero, eight plus seven is 15, and 15 plus seven is 22, and two plus three is 320. So we found our sum, that was step one. Step two is to divide this sum, the 320, by the number of numbers that we have. So you look at how many elements you have. We have one, two, three, four numbers. So we divide the total 320 by four, and when you do that, three goes into, four goes into 32 eight times, four times eight is 32, and you bring down the zero and four goes into zero zero times. So that means that our average would be 80.

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