Puzzle on 11/16/02

  rollover
 
   
What is next in this pattern?


1, 4, 9, 16, 25, __

The solution


1, 4, 9, 16, 25, 36

These are perfect squares:
1 x 1, 2 x 2, 3 x 3, 4 x 4, 5 x 5, 6 x 6

I watched one of my students solve this another way.
He added 3 to 1, then 5 to 4, then 7 to 9, then 9 to 16,
and finally 11 to 25, to get the same result.
The pattern would continue, adding 13 next time.

 
  Home   |   Programs    |   Puzzle of the Week    |  
 
If you can't access your e-mail from a web page link, you may copy and paste (or type):