A great interactive game to find Area and Perimeter of rooms in a house:
http://www.learnalberta.ca/content/mesg/html/math6web/index.html?page=lessons&lesson=m6lessonshell12.swf
http://www.bbc.co.uk/education/clips/zxs34wx
http://www.bbc.co.uk/education/clips/zfmtfg8
http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/index.html