A consistently popular post on this blog is the one on Mathematics posters. An excellent new addition to the list of sources of free posters is Jenny Eather’s Maths Charts which includes over 200 posters on a wide variety of topics. (Jenny Eather’s dictionary is also excellent).
For a list of sites including free posters use this Diigo list or Evernote shared notebook.
(You do not need to be an Evernote or Diigo user to use these lists though I recommend both highly).
To highlight a small number of the sites on the list:
Nrich have turned many of their excellent problems into attractive posters. Note the link to a PowerPoint presentation showing all the posters.
The Classic Mistake site has a wonderful collection of those classic mistakes that teachers regularly see. These posters can be downloaded in colour or black and white, a podcast explaining the mistake is also available for each poster.
Note all the other downloads available from the same site.
The Mathematical Moments site features many downloadable pdfs, posters which show the role that Mathematics plays in Science, Technology and Human Culture. A short or more detailed version of each poster is available and a search is provided.
On TES Resources Owen has created an excellent set of A4 posters inspired by Ian Stewart’s ‘17 Equations that Changed the World‘.
(You will need to register with TES (free) to download any resources).

The excellent Maths Careers site includes many posters to download, ‘When Will I Ever Need Maths?‘ for example.
Using a word cloud generator such as Wordle it is very easy to make attractive vocabulary posters.
(See this post for other word cloud tools and ideas for use in the classroom).
Image from http://www.wordle.net/
….and on a lighter note, my son sent me this recently! From GraphJam.com.

see more Funny Graphs




Great Stuff. For fantastic ways to make key word displays for each topic – check out tagxedo.com
I agree Ceejaypee, in fact tagxedo is mentioned in the post I have linked to above with other word cloud generators. http://staffweb2tools.wordpress.com/wordle/
I’ve only just seen this post – wonderful stuff. Some of the Jenny Eather ones are a bit too fussy for me, but most are brilliant, and we all have our own preferences. I shall be printing some as soon as I get time at work.
I’m glad you found some useful resources Colin. As usual, I think having a variety to choose from and using several sources has to be good.
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Thanks for plugging our NRICH poster collection! Our newest posters can be found at http://nrich.maths.org/posters, and the ‘back catalogue’ is linked there too. There’s also the option to view just primary or just secondary posters now. I’ve put a link to the new poster page on the one you linked to so that people can update their bookmarks.
Thank you Alison – I will update the post.
Love it! Thank you for posting this…. I think we as educators quite often “neglect” the environment we invite our students into. Anything that promotes thought and excitement is fab!!
Keeping the learning alive…..
MrK
I quite agree classcloud, the environment is important.