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

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

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

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

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

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

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

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

Children practice addition within 10 in this water rafting adventure!

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