Mathematical Monday 8-23-10

Matchstick Math Problems

I was playing with my Mensa book while traveling to Seattle, and played a lot with the puzzles with matchsticks. If you have ever played Professor Layton, You’ve encountered some of these puzzles that say “move four matchsticks to leave three squares” and such. I like the ones that use the matchsticks to make Roman numerals to make equations that need a matchstick or two to move to work. Anyway, I reproduced two of them for you on this Mathematical Monday.

Add one matchstick to make this fraction equal 1.

Can you make this equation work without moving a single matchstick?

Answers in the first comment (once I put them there!). Like these? Here’s a few more.

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1 Comment (+add yours?)

  1. GirlsAreGeeks
    Aug 23, 2010 @ 18:11:42

    Answer 1: Make it 1 over the square root of 1!
    Solution 1

    Answer 2: Flip the page, or yourself!
    Solution 2

    Reply

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