Try these sites for some facts practice.

Addition Machine

http://www.amblesideprimary.com/ambleweb/mentalmaths/additiontest.html

Subtraction Machine

http://www.amblesideprimary.com/ambleweb/mentalmaths/subtractiontest.html

Callum’s Addition Pyramid

http://www.amblesideprimary.com/ambleweb/mentalmaths/pyramid.html

Times Tables Grid

http://www.bbc.co.uk/skillswise/numbers/wholenumbers/multiplication/timestables/flash3.shtml

Webmath.com

http://www.webmath.com/k8drill.html

Multiplication Game

http://quizhub.com/quiz/f-multiplication.cfm