This website provides mathematical challenges, problems of the day and investigations as well as test practice for grades 7 -12.
This blog currently has a challenge problem involving the following mathematical scenario:
You're on a superhighway in the middle of nowhere at 10 PM, your fuel tank shows about a quarter of a tank remaining, your trip odometer shows you've gone about 180 miles since the last fill-up and you just passed a fuel rest stop. The sign reads "Next Rest Area and Gas - 58 miles." Are you in trouble or will you make it?
The post lasts from March 9 - March 11. Many teachers respond, questioning the mathematical soundness of the problem as well as whether or not the problem is worded correctly fnor middle school students. I would not use this with my students, because if teachers including myself have difficutly with understanding this problem, I know that my students will.
In addition to the investigation above, there are also many links to pi day activities and investigations.
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