Kids practice adding and taking away 10 in this silly game show.

Addition experts, come on down! Practice quick-thinking two-digit addition in this educational game that tests off-the-cuff adding skills.

Your kid will add the right number of eggs to the nest to practice addition facts.

Children dig up dinosaur fossils by adding 10 to multiples of 100 in this prehistoric game.

Your kid represents addition facts with objects by counting Roly's hats.