Math Trek

  1. Math

    Mean Median Surprise

    Calculations of means and medians lead to surprising sequences of numbers.

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  2. Math

    Divisibility by Seven

    An ingenious, recently developed method tests if a number is divisible by 7.

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  3. Math

    Coins in a Row

    A simple game involving coins in a row has unexpected complexities.

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  4. Math

    Coins in a Row

    A simple game involving coins in a row has unexpected complexities.

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  5. Math

    Works in Progress

    Studying math in school doesn't often give you a sense of what mathematical research is about.

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  6. Math

    Classroom Birthdays

    What's the probability of finding matching birthdays in a small group?

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  7. Math

    Captcha the Puzzle

    A computer creates a test that it can't pass but most people can.

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  8. Math

    Sosa’s Corked Bat

    Does Sammy Sosa's hitting reveal a corked-bat effect?

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  9. Math

    Sea Shell Spirals

    The golden ratio doesn't figure into the spiral structure of the chambered nautilus shell.

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  10. Math

    Fibonacci’s Other Numbers

    Arrays of whole numbers can give intriguing sums.

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  11. Math

    Primal Surge

    The Great Internet Mersenne Prime Search has netted its eighth champion.

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  12. Math

    Super Bowl Crashes

    Should you stay off the road immediately after the Super Bowl telecast is over?

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