Math Baseball! Guess My Button!  
Blit Math Master! FunBrain Line
The ArithmAttack Addition practice
Figure This! Additional Flashcards
Coolmath4Kids    Revise Wise Math at BBCi
  Primary Games: Two Minute Warning
Count On!  Primary Games: What Time Is It?
Math Stories Who Wants Pizza - A fun way to learn about fractions!
Matching Math Game Welcome To Money Central Station
Math Advantage -Grades K-8 Primary Games - games galore
   Math Games Clockwise

Visit also:  Kids Friendly Links, Canaan Kids Friendly Links for other math games.