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

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

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

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

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

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

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

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

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.

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