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5th Grade Math Review: Day 4

In yesterday's post we looked at multiplying both whole numbers (3-digit by 2-digit) and decimals. If you missed the live stream with the answers, you can watch that here. Today we look at the inverse operation of yesterday - division.

Decimal Division with Models

Once again, 5th graders are in uncharted territory here. Students have never been asked to divide decimals before 5th grade and, while the procedure is similar to whole-digit division, something peculiar happens when there's a decimal in the divisor. This first video looks at what really goes on with decimal division by using area models.

Now that you've learned about decimal division models, see if you can answer this related problem.


Dividing Decimals

While using representations to show what happens when you divide decimals, 5th graders will need to be able to divide without any type of visual representation as well. Take a look at this video to see how it's done.

That wasn't so hard, was it? Now that you know divide decimals, try these two problems from a released STAAR test.


Correct Answers Tonight (3/26/20) at 8:00 pm (CDT), I'll live stream from my YouTube channel to go over the answers to these three practice problems. Make sure you've already worked them out ahead of time. I can answer questions you might have in the stream chat and I'll put the recording on my channel and in this post for anyone that couldn't watch it live. If you haven't done so already, you can subscribe to the channel to get notifications for live streams and new videos that I post.

Here's the live stream with the answers and explanations.

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