Some useful websites: 

 

http://www.abcya.com/first_grade_computers.htm

 

 www.ixl.com

 

 

www.coolmath-games.com

 

www.starfall.com

 

www.funbrain.com

www.funfonics.com

www.eduplace.com

www.mathfactcafe.com

 http://www.softschools.com/math/games/fishing_sub.jsp

 

http://www.sheppardsoftware.com/math.htm

 

http://www.bbc.co.uk/cbeebies/stories/   (for online stories)

 

Addition and Subtraction:

 

 

http://www.arcademicskillbuilders.com/games/alien/alien.html

 

http://www.oswego.org/ocsd-web/games/Mathmagician/cathymath.html

 

 

 

http://www.arcademicskillbuilders.com/games/jetski/jetski.html