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

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

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

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!