• Funbrain.com's MathCar Racing Game
  Can you win the racing game? Choose level first. Pick number from row and solve, [careful] computer chooses as well from column!
  in Number > Computer Lab with game number stage4
• Connect Three
  Play against computer or another player (addition subtraction only) http://nrich.maths.org/public/viewer.php?obj_id=5865 (Easire)
  in Number > Computer Lab with applet number stage4 by 2 users

stage4 from all users