Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.

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

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

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

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

In this water-themed race, first graders use math and logic to fill in each addition equation.

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.

Think about how numbers are related in this interactive game about addition fact families.

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

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