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

Kids add to different target numbers, and must be quick; the balls are dropping fast!

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

Kids must move fast to find addition pairs that total a target sum within 20.

Kids click on bubbles that add up to 10 to try to keep the bubbles from overflowing.

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

Kids practice matching each addition equation to its missing factor in this interactive math game.

First graders match the cards that equal the same value in this mental math matching game.

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

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

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