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

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

Help young learners identify the correct fact family equations in this exciting addition game.

Dive for treasure and missing factors in this online game featuring addition equations.

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

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

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