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Grade Range: 8 - 11
Here’s one that will tie your brain in knots. Some of these logic puzzles will challenge even advanced high school students, but both solutions and discussion are readily available for those who struggle. There are many different puzzle types, and new content seems to appear regularly. Note, however, that the ad banner space occasionally displays content that some might not deem appropriate for school use.
In the Classroom
Teachers will find this one a great source for "extra point stumpers."
At Home
If your high school student loves to solve puzzles, check out this site with its collection of math and logic puzzles. Check back frequently as new content appears regularly.