Watch:

Play: http://splash.abc.net.au/res/i/L347/li_001_gv_003/index.html

http://splash.abc.net.au/res/i/L9642/index.html

You can practice playing the following games:

http://resources.oswego.org/games/stoptheclock/sthec3.html

http://resources.oswego.org/games/stoptheclock/sthec2.html

http://resources.oswego.org/games/BangOnTime/clockwordres.html

http://www.bbc.co.uk/bitesize/ks1/maths/telling_the_time/play/popup.shtml