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

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

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 subtract apples in two-step equations to find a target number.

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

Kids practice skip counting and repeated addition with some funny mutant animals at the petting zoo!