Get ready to add 10 more! Analyze expressions like "110 + 10" and calculate three-digit sums.

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

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

Practice two-digit addition and adding multiples of 10 in this Dino Fishing math game.