6. Full HD
When stores list the size of TVs in inches, they are referring to the diagonal measurement of the tv. Comparing prices of different sized TVs and using the Pythagorean theorem, students can work to figure out how much an inch is worth for a tv in different stores. This activity number 6 on our list of math problem-solving activities for middle school can also lead to a discussion with students discussing how much they think an extra inch should cost and how much they would be willing to pay.
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