Sharp Brains: Brain Fitness and Cognitive Health News

Neuroplasticity, Brain Fitness and Cognitive Health News


Brain Teaser to test your pattern recognition and other cognitive skills: The Empty Triangle

Please enjoy this fun brain teas­er, pro­vid­ed by puz­zle mas­ter Wes Car­roll.

The Empty Triangle:

Pattern Recognition Test - Empty Triangle


Which num­ber should be placed in the emp­ty tri­an­gle? 

This puz­zle helps you work out your exec­u­tive functions–activating the pre­frontal cor­tex in your brain–by engag­ing your pat­tern recog­ni­tion and oth­er cog­ni­tive abil­i­ties such as hypoth­e­sis test­ing, and log­ic.

Let us know how you do!





The top num­ber minus the bot­tom left-hand num­ber is mul­ti­plied by the bot­tom right-hand num­ber to give the num­ber inside the tri­an­gle.

More brain teasers and games for adults of any age:

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