Dive for treasure and missing factors in this online game featuring addition equations.

Children complete a race by choosing the correct addition expressions for the given fact families.

Fill in these addition facts! This game challenges kids to match missing addends to each equation.

Only your kid's addition skills can help Secret Agent Floyd defeat the evil El Gato.

Children practice addition within 10 in this water rafting adventure!

Kids hone their single-digit addition skills as they match equations with their missing factors.

Think about how numbers are related in this interactive game about addition fact families.

To help Roly move through obstacles, kids learn a regrouping strategy to make addition within 20 easily!

Children must choose the correct addition expressions as they race to the sunken treasure chest.

Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.