(Sample link) White House for Kids https://www.xtramath.org/home/classroom_sign_in
(Sample link) National Geographic for Kids http://www.bbc.co.uk/schools/ks1bitesize/numeracy/
(Sample link) Fun activities - by girls....for girls. http://www.missoandfriends.com/
http://www.ixl.com/math/grade-3
http://www.multiplication.com/