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

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.

Which number is missing? Click on the number that fits each addition expression and win the race.

Which equation looks right? Review fact families and addition to 10 in this educational math game.

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