Children race down the river and across the finish line by choosing the equations that make 20.

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

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.

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

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

How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

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