Kids mix up a potion to help Professor Beardo grow out his beard, and practice place value, in this multi-digit addition game.

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

Build up second graders’ math knowledge with a diving game about three-digit addition.

Kids solve two- and three-digit addition problems by regrouping in order to help the Professor grow out his beard.