About cookies

The NCETM site uses cookies. Read more about our privacy policy

Please agree to accept our cookies. If you continue to use the site, we'll assume you're happy to accept them.


Personal Learning Login

Sign Up | Forgotten password?
Register with the NCETM

Season's Greetings

This page has been archived. The content was correct at the time of original publication, but is no longer updated.
Created on 17 December 2009 by ncetm_administrator
Updated on 22 December 2009 by ncetm_administrator

A seasonal puzzle from the NCETM

christmas tree problem

Can you rearrange just three of the Christmas decorations to make the triangle point the opposite way?

Season’s greeting from

Professor Celia Hoyles and the NCETM team

Find the answer here


A copy of this puzzle can also be downloaded as a jpeg bitmap.



Comment on this item  
Add to your NCETM favourites
Remove from your NCETM favourites
Add a note on this item
Recommend to a friend
Comment on this item
Send to printer
Request a reminder of this item
Cancel a reminder of this item



There are no comments for this item yet...
Only registered users may comment. Log in to comment