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

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

Children use their mental math skills to determine which equations add up to 20 in this math game.

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

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

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