Helpful links

 

number bonds to ten game

http://www.ictgames.com/10pipe.html
 

Area and Perimetre

http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/index.html
 

Countdown Letters Game

http://www.woodlands-junior.kent.sch.uk/maths/countdown/countdown.swf