Build up second graders’ math knowledge with a diving game about three-digit addition.

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

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

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.

Children dig up dinosaur fossils by adding 10 to multiples of 100 in this prehistoric game.

Kids practice two-digit addition to 100 in this action-packed number line game.

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

Add one and find the sum! In this game, children practice number and pattern recognition skills.

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

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

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