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* How can you add eight 8's to get the number 1,000? (only use addition)  
 
* How can you add eight 8's to get the number 1,000? (only use addition)  
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* Start with six vertical lines. Then add 5 more lines to make nine.
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* Find the pattern: 8, 11, 15, 5, 4, 19, 7, 6, 3, 22, 2
  
 
[[Category:MA375Spring2010Walther]]
 
[[Category:MA375Spring2010Walther]]

Revision as of 13:48, 26 January 2010

Post a mathematical riddle.

  • Come up with an algorithm that counts down from a number but does not employ the use of a minus sign or any form of subtraction. There are several solutions to this problem.


  • How can you add eight 8's to get the number 1,000? (only use addition)
  • Start with six vertical lines. Then add 5 more lines to make nine.
  • Find the pattern: 8, 11, 15, 5, 4, 19, 7, 6, 3, 22, 2

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Correspondence Chess Grandmaster and Purdue Alumni

Prof. Dan Fleetwood