Frog Fractions, by twinbeard, is simply the best flash game ever made to teach you about fractions with frogs. Every true hardcore gamer owes it to themselves to play Frog Fractions once in their lives, so have this tasty link over to twinbeard’s site where you can play this amazing work of art.
And yes, Frog Fractions won the ‘are games art’ argument all by itself.