Players race to reach sunken treasure, honing their multiplication skills along the way.

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

What happens when you take 10 away? Practice finding 10 less in this three-digit subtraction game.

Children practice rounding numbers to the nearest 10 in this underwater number sense game!

Kids help Elliott prepare treasures for her museum by answering word problems by using a tape diagram.