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Friday, September 16, 2011

Challenging Question # 4

Compute the sum of the first hundred numbers, 1+2+3+...+98+99+100, without a calculater, in under three minutes.  In other words, find a shortcut. 


Answer will be posted on Sep 23, Friday @ 9 am


Participants with a right answer will receive 20 points. Other participants will get 5 points. 





1 comment:

  1. I have a clue if anyone is daring enough to attempt this question. This is a question you will face in Alg II and college math, so if you figure it out now you will be ahead of the curve. I encourage you to do this one!!! Remember, Sept 23 is our deadline to get this.

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