**Checked and updated – August 2013.**

Coming very soon (January 2015) – a completely revised version.

This post remains one of the most popular on this blog. So – time for a revisit and an update. Most of the original post still stands – a few additions rather than deletions. Any post claiming top 10 or >10 in my case is clearly *the author’s* top 10, not** ***the* top 10! These are **my** top >10 because I really do use them – **a lot** – in the classroom!

…and a slide show to summarize… (download PowerPoint file: **top-10-mathematics-websites-v3**

(pdf version: **top-10-mathematics-websites-v3** **)**

(Some hyperlinks seem to be behaving inconsistently in Slideshare).

I was asked about my own top ten Mathematics websites, this request and remembering **Edna Sackson’s comments** on her ’10 Ways…’ series reminded me of the various ‘Top (insert number here) Mathematics Websites’ posts I have read; all of them have left me with the thought that so many excellent sites are missing from such lists. Really such posts (including this one) should be titled ‘My Top 10….’ as they understandably include the author’s favourites. For my own list I have decided to include some categories as well as individual sites which gives me the excuse to mention far more than 10! Note that every site mentioned here is free to use.

So in no particular order:

Continue reading →