Players hone their two-digit addition skills as they match equations with their missing addends!

Kids try to match the equations that equal the same number in this online math game!

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

Match each addition fact to its answer in this online game!

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

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

Help second graders learn about addition facts to 20 in this online matching activity.

Let's have a ski race while practicing addition to 20 in this fast-paced learning adventure!

Kids practice mentally adding sums up to 30 in this fast-paced addition race.