3rd Grade Math 11.7, Word Problem Solving, Area of Rectangles

We can solve area problems by using the strategy "find a pattern". We make a table to list the lengths and widths of rectangles and find their areas. Then we can examine the table and look for patterns in the lengths, widths, and areas. To solve word problems, we need to read and understand the problem, identify or circle important information, choose a strategy to solve the problem, and check our work for mistakes. We can find the area of rectangles by multiplying its length times its width. We can also find a side measure by using division if we know the area of the rectangle and the other side measure. We see how areas are related by using a table of information. We find patterns in the table. When the lengths are the same and the widths are doubled, the areas will be doubled. When the lengths are the same and the widths are halved, the area will be halved. When we double both the length and the width, the area is 4 times greater than the original area. When we triple the width, the area triples. If we double a rectangle's length, but cut its width in half, both rectangles will have the same area.

3rd Grade Math 11.4, Understand Area
https://youtu.be/aFV10b08kz4

3rd Grade Math 11.5, Measure Area
https://youtu.be/zuHw8YEfiUg

3rd Grade Math 11.6, Use Area Models
https://youtu.be/FH92gmheAds

3rd Grade Math Playlist (2015)
https://www.youtube.com/playlist?list=PLKi4WTp6PRGVPton7wjphpYAhdTjnJsw0

I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.

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