Posted: March 29, 2016
http://www.beaconlearningcenter.com/weblessons/adamant/page1.htm
http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/index.html
http://www.learnalberta.ca/content/me3us/flash/lessonLauncher.html?lesson=lessons/12/m3_12_00_x.swf
http://pbskids.org/cyberchase/media/games/perimeterarea/perimeterarea.swf
https://www.brainpop.com/games/squareoff/
http://www.bbc.co.uk/bitesize/ks3/maths/measures/perimeter/activity/