Which TV is the Best Deal?

Check out the TVs.  All have essentially the same features, only the size of the screen varies.  Which TV do you think is the best deal?Screen Shot 2014-01-02 at 3.19.24 PMExplore area and unit pricing to determine which HDTV offers the most screen area for the price. Students use scale diagrams to find the area of various HDTVs and make comparisons in actual screen area.

Screen Shot 2014-01-04 at 3.16.06 PMStudents discover that the diagonal length of an HDTV is not proportional with the screen area of the HDTV. Technology: You might use this TV size calculator and comparison tool from TVCalculator.com to impress this on students.  In this lesson students work with the ideas of area, similar figures and unit rate.

The activity: Which-TV.pdf

CCSS: 4.MD.3, 5.NBT.5, 5.NBT.7, 6.RP.3, 6.G.1

For members we have an editable Word doc and solutions.

Which-TV.doc         Which-TV-solutions.pdf

Check out all current Yummymath lessons in one place at our Bird's Eye View Page or try more HDTV math with Glowing Rectangles, How Large of a TV Should you Get? or HDTV Surprise.

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