Wednesday, 15 April 2009

Are you up for the Toughnut Challenge?

http://nrich.maths.org/public/toughnuts.php

Tricky problems to try and solve. Have fun!
Let me know if you solve any!

2 comments:

  1. i done the first 3-or was it the last 3?
    im not sure which ones but i solved 3.

    ReplyDelete
  2. Excellent, now I suppose I'll have to hunt for more things for you!

    ReplyDelete