Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.

Compose numbers to make 20 and build first grade addition skills in each round of this online game.

Children will love racing to the finish line while boosting their addition and mental math skills.

First graders gain confidence with addition and decomposing numbers in this fun water rafting game!

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

In this energizing math game, think about how different numbers can add up to 20.