Video Brain Teaser #17

Video Brain Teaser #17
  • Currently 1.0/5 Stars.
541 views - 00:00:39
Part of video series Brain Teasers
Taught by videomathtutor
View Similar Videos
View Entire Video Series
How can you draw four straight lines without lifting your pencil and connect all nine dots that are arranged in a square?
  • How can you draw four straight lines without lifting your pencil and connect all nine dots that are arranged in a square?
Perhaps the most difficult of all the brain teasers. This classic brain teaser truly challenges you to think "outside the box".
  • Currently 2.0/5 Stars.
Reviewed by MathVids Staff on April 14, 2008.
How staff ratings work
 
App_store_badge Smart-logo