Below are some websites which you might find useful:

http://www.musictheory.net/

http://www.teoria.com/

http://www.mymusictheory.com/


BBC Ten pieces is a fantastic new free resource which the BBC have created.  Check it out now!

Ten Pieces Primary (2014-2015):  http://www.bbc.co.uk/programmes/p01vs08w
Ten Pieces Secondary (2015-2016):  http://www.bbc.co.uk/programmes/articles/3l2p7df6Yhg8dRp20Hp85VG/ten-pieces-secondary